marine yacht air conditioner

5 Best Marine AC Units (For A Cool Boating Experience)

Josh Mitchell

Josh Mitchell

marine yacht air conditioner

Expert Reviewed By

Last Updated On

May 24, 2024

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A hot day on the water doesn't have to mean sweating to death. The best marine air conditioners can keep the inside of a boat ice cold even on those 100-degree days.

I know that a marine air conditioner can be an expensive investment that should not be taken lightly.

That's why I made this list of the best marine AC units to help boaters find the best way to stay cool in those hot summer months.

Quick Glance - My Recommendations

Dometic Brisk II | 13.5K BTU Air Conditioner...

Dometic Brisk II ‎B57915.XX1C0

Editor's choice.

Webasto A/C Retrofit Kit

Webasto AC Retrofit Kit

Best Replacement Marine AC

Dometic Emerald Titanium Deux

Dometic Emerald Titanium DEUX

Best High-End

5 best marine air conditioners for a cool day of boating, 1. dometic brisk ii ‎b57915.xx1c0.

Dometic Brisk II | 13.5K BTU Air Conditioner...

Best Rooftop AC

Overall Score

Energy Efficiency

Cooling Ability

Value for Money

Who is the Dometic Brisk II best for?

This Dometic marine air conditioner is best for people who don’t have room for a conventional marine air conditioner.

  • No condensate line or water pump required
  • Completely self-contained
  • Easy to install if you already have a hole
  • The unit is very noisy
  • Installation may require extra bracing on the roof

The Dometic Brisk II resembles an AC unit on a camper or RV, but this one goes on the roof of your boat.

It is a perfect replacement for an existing roof-mounted air conditioner unit, and I really like how easy it is to add to a boat without air conditioning.

Not all boats can support a roof-mounted marine air conditioner. However, this air conditioner does not take up space inside , and it is easily accessible to work on.

The condensing and evaporator unit is housed entirely on the roof and is shielded from the elements with a cover.

One thing that some people do not like is that the air conditioner is visible from the outside.

However, I don’t mind it on some boats because the white cover keeps the unit from sticking out like a sore thumb.

The noise level is also a common complaint, but it’s about as loud as a window air conditioner.

All that you will see inside the boat is the ceiling-mounted vent and the air conditioner controls.

The indoor trim is called a distribution box and provides a way to direct airflow (I often compare it to the air vents in a car).

The air conditioner’s manual contro ls are also mounted on the distribution box.

The Dometic Brisk II requires a 14" X 14" hole in the roof with structural supports.

Dometic Brisk II ‎B57915.XX1C0 14x14 hole

The boat's roof must be able to support about 75 lbs, and there must be space to run electrical wires.

If you are comfortable making a couple of cuts in the boat, then this can be a DIY job.

I'm pretty daring, but this is one of those projects that could turn into a major undertaking.

Also, remember that lugging this thing onto the roof alone may be difficult, so be sure to guilt a friend into helping.

Alternatively, the Brisk II can connect to ductwork. This would require your boat to have air ducts running up to the roof, as well as a thermostat mounted on a wall.

Although I like the cleaner look of a ducted system, few boats have ductwork running to the ceiling.

Dometic Brisk II ‎B57915.XX1C0

If you don’t have ducts already running to the ceiling, then I would stick to a self-contained marine air conditioner, like the Webasto AC Retrofit Kit below.

2. Webasto AC Retrofit Kit

Webasto A/C Retrofit Kit

Who is the Webasto Retrofit Kit best for?

The Webasto Retrofit Kit is the best marine air conditioner for people who need to replace their existing marine air conditioning system.

  • Easy to install yourself
  • Compact enough to fit anywhere
  • Includes digital thermostat
  • Unit is painted to prevent rust and corrosion
  • Noisier than comparable self-contained units
  • Thermostat requires a special cable

I found the Webasto AC Retrofit Kit to be the perfect replacement for an aging marine air conditioner that is limping along on its last leg.

I really like this self-contained unit, but unlike the Dometic Brisk II , it  does not require cutting a hole in the ceiling.

The compact size makes it easy to install, no matter the current unit's size.

The Webasto AC Retrofit Kit is a standard, self-contained marine system, so it relies on seawater for cooling.

Webasto AC Retrofit Kit dimensions

It also requires a condensate drain hose , which can connect to the boat's bilge. I prefer to connect to the waste tank so the bilge isn't constantly filling up with condensate.

Besides AC, the Webast Retrofit AC Kit also has heat, which is great for boating in the winter months or for people traveling up north.

Setting the AC and heat is easy with the included digital thermostat that can be mounted on a wall with the included cable.

If you don't want to get up to change the temperature, Webasto has you covered with an optional remote control.

If your boat doesn't have AC, then the Webasto AC Retrofit Kit is a good option.

I recommend looking for an easy place to install it, like under a bench or bed. Try to find a place close to existing plumbing and an electrical box.

All that's required for installation is a 5" piece of ductwork, ¾" piping for the seawater inlet/outlet, 12-gauge stranded wire, and some determination.

It also needs a submersible pump to suck water from the sea.

3. Dometic Emerald Titanium DEUX

Dometic Emerald Titanium Deux

Premium Model

Who is the Dometic Emerald Titanium DEUX best for?

The Dometic Emerald Titanium DEUX is the best marine air conditioner for large boats with over 300 square feet.

  • Several different BTU options available
  • Customize your AC with different air handlers
  • Condenser noise stays contained to the engine room
  •  Also serves as a heat pump
  • Very complicated to install
  • Requires separate air handlers

Dometic Emerald Titanium DEUX

When I look at a new air conditioner, I expect it to last for a long time. The Dometic Emerald Titanium DEUX has the best marine air conditioner design on the market!

The white painted body helps to protect it from rust and corrosion. There are also brackets that serve as a frame to protect the compressor if it gets jostled around.

The Dometic Emerald Titanium DEUX  is not  a   standalone unit. Unlike the Webasto AC Retrofit Kit , this air conditioner only consists of a compressor.

The upside is that you can mount this unit in an exterior compressor compartment and run pipes to the evaporator.

I like modular systems, especially for larger boats, since they allow for more customizability.

The Dometic Emerald Titanium DEUX is the perfect choice for large boats because it comes in a range of cooling capacities.

I mentioned that this is a well-built system, and that is evident when trying to pick up this 150 lb brick.

Dometic Emerald Titanium DEUX weight

Be sure to keep the weight in mind because you will need help to get it aboard.

Although I really like the quality of the Dometic Emerald Titanium DEUX , I can't overlook the installation challenges.

Copper lines must be run to a condensing unit, and electrical wiring must be connected to both the condenser and the evaporator.

It also needs a thermostat to control the air conditioner.

4. Ivation IVACA6500

Ivation 6,500 BTU Camper Air Conditioner,...

Dehumidifier AC Combo

Who is the Ivation IVACA6500 best for?

The Ivation IVACA6500 is best for people who want to quickly and easily add a marine air conditioning system to their boat.

  • Easily add air conditioning in less than an hour
  • One of the cheapest marine air conditioning systems
  • Has a digital thermostat built-in
  • Dehumidifying mode removes moisture
  • Requires an opening window
  • No option for heating

The first time I saw the IVACA6500, I mistook it for a home window air conditioner.

It works just like a window air conditioner, with the condenser sitting outside and the evaporator inside.

The only difference is that the IVACA6500 actually has two separate parts connected by a rubber tube.

This makes it ideal for marine applications, thanks to the flexible mounting system .

The most important thing that may be a problem is the need for a window that opens to pass the connections through.

I found installation to be super simple, though, thanks to the included adjustable brackets.

These brackets allow for placement adjustment by clamping the unit to the window.

However, I recommend placing the unit below the window and modifying the brackets to mount it in a more discrete location.

After you get the unit mounted, just plug it into a 120V outlet and fire it up . The digital thermostat on the front can set the air conditioning to a desired temperature.

Ivation IVACA6500 wattage

However, I find that these thermostats are not nearly as accurate as wall-mounted ones used in traditional AC systems, like Dometic and Webasto .

As a light sleeper, I highly recommend this unit for a bedroom thanks to its quiet operation at 55 dB.

I suggest setting the timer to turn the air on an hour or two before bed so it is nice and cool, then take advantage of the sleep mode to quiet the fan noise.

During the day, I find it much better to use the dehumidifier mode.

I like the IVACA6500's dehumidifier mode since it is perfect for keeping the boat nice and dry on those temperate days.

Some people do complain about the look of the outdoor condensing unit, but at least it doesn’t obstruct the window.

I personally don’t think it looks bad, and it is easy to remove the unit in the cooler months.

At only 6,500 BTUs, the Ivation IVACA6500 will cool a room or a small boat . One good thing about the smaller units is that it doesn't need a ton of electricity to keep it going.

With that in mind, you are still stuck running on shore power with this air conditioner.

5. MarinAire Self-Contained Marine AC

MarinAire Self-Contained Marine AC

Best Small Compact AC

Who is the MarinAire Self-Contained Marine AC best for?

The energy-efficient MarinAire Self-Contained Marine AC is best for boats with little room for a marine AC unit.

  • Self-contained unit with plastic housing
  • Energy efficient cooling power
  • Pressure gauges to check refrigerant
  • Insulated blower keeps noise down
  • Humidistat controls humidity levels
  • Requires a separate water pump sold separately
  • Special wiring must be run to the thermostat

The MarinAire is my favorite self-contained air conditioning unit, but it is unique.

The compressor and coils are protected by a molded plastic case, which definitely adds some protection.

The case also helps to keep the noise level down when the air conditioner is running.

The MarinAire is also the most compact marine ACs I've come across, and it is even smaller than the Webasto AC Retrofit Kit .

It will fit in tight compartments or under benches where other self-contained systems can't.

I also like the hook on top, which is a lifesaver when lowering the air conditioner into the cabin. It really turns the installation into a one-man job.

The standout features are the built-in pressure gauges to quickly check the high and low pressures without special tools.

MarinAire Self-Contained Marine AC gauge

I’ve looked at a lot of marine air conditioners with varying features, but the Marinaire has some of the best features included, such as a wireless remote.

It also comes with a conventional thermostat for the wall.

The Marinaire is the only marine AC unit I have seen with wireless connectivity.

You can control the marine AC unit from anywhere with the included WiFi thermostat (assuming you have internet access).

Installation is also a breeze since this is a self-contained unit.

The main components not included are some pipes for the stainless steel drain pan and water cooling, as well as a pump.

From there, all it takes is running the pipes and wire for the thermostat and humidity sensor wiring to the cabin.

Finally, connect the duct (size varies by BTU) and plug in the marine AC unit to start cooling off.

Comparing Marine Air Conditioners

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Factors To Consider When Choosing a Boat AC

What size cooling does your boat need.

The exact size cooling capacity your boat needs requires a complex calculation.

My general rule of thumb is that one BTU (British thermal units) cools about 5 square feet and heats 10 square feet.

This is based on moderate climate control and cooling an area below deck.

  • Large Boats The Dometic Emerald Titanium Deux  is perfect for large boats over 500 square feet . I recommend this for a very large yacht with a separate engine compartment and large living spaces. Sometimes, larger boats use two units.
  • Medium Sized Boats Smaller boats from 200-500 square feet have a few options, including the Webasto AC Retrofit Kit  and the Marinaire AC system. These self-contained systems are perfect for small to mid-size boats with room to run a short piece of ductwork.
  • Small Boats Finally, marine AC units like the Dometic Brisk II  and Ivation IVACA 6500  are perfect for small boats in the 100-200  square foot range.
I always consider the size of an existing marine AC unit and also perform a new calculator.  

There are several formulas that get very scientific, but a simple online capacity calculator is my go-to.[ 1 ]

TL;DR: You much choose an AC system based on the covered area of your boat. The larger the boat, the more powerful systems with high BTU capacity is required.

What Is Your Budget?

The most budget-friendly marine air conditioners cost less than $1,00 0, while ducted systems can easily cost a few thousand.

I know most people have a budget in mind with these larger projects. In that case, the budget will dictate what type of system you can get.

A traditional self-contained marine AC system like the Marinaire or Webasto I mentioned above typically costs about $2,500.

Split systems like the Dometic Emerald Titanium Deux cost significantly more.

The exact price varies by dealer as Dometic does not advertise the cost for its high-end split systems.

AC Lab Note:

Don't forget to consider installation, which will likely cost about the same as the unit, depending on the required work. Similarly, split systems cost significantly more to install than self-contained marine air conditioners.

Continuing on with self contained systems, the Dometic Brisk II is a fairly cheap option as it starts around $1200.

However, the cost to install may be higher than other self-contained systems like the Marinaire  and Webasto  .

Retrofitting a smaller unit like the Ivation will be the most affordable route. I commonly see these systems for around $700.

Most marine AC units I've found run on a generator, which will add a significant cost if you don't already own one.

TL;DR: You budget would dictate the type of AC you choose. Some AC systems like the split or self-contained marine AC systems are more expensive than roof-mounted ACs.

How Long Is The Warranty?

Marine air conditioner warranties vary significantly between brands, but most come with at least a one-year parts warranty.

Higher-end models like Dometic's Emerald Titanium come with a parts and labor warranty.

In comparison, companies like Webasto  and Ivation  have a parts-only warranty.

One and two year parts warranties are pretty standard in the marine air conditioner industry.

I find that Dometic offers the best marine air conditioner warranty at two years on many of its higher-end products. It is also one of the most inclusive warranties.

TL;DR: One and two years parts warranty is fairly standard but try to look for a unit that offers a longer warranty period.

How Easy Is It To Install?

Some marine air conditioning systems are easy to install, while others vary in complexity .

More importantly, everyone has a different level of abilities.

People planning a DIY install should first determine if there is room in the boat to mount a self-contained unit. Then, plan where to run the pipes and electrical.

Alternatively, consider a roof-mounted unit if there isn't space for a conventional marine AC unit.

The roof-mounted unit requires a single hole but also requires framing out the roof around it.

Most people don't want to spend days hacking away at their beloved boat , so I would go with the Ivation IVACA6500 , or even a portable boat air conditioner.

The most difficult-to-install marine AC units are split systems, where the condensing unit goes in the engine room.

These are more expensive units and difficult to install since pipes must be run throughout the boat.

These may also require extra refrigerant to be added, and the lines must be vacuumed.

I would only recommend this system for really large boats or if it is already undergoing extensive maintenance.

TL;DR: Most ACs systems are easy to install, some like the roof-mounted ACs would require cutting holes. Marine ACs are also very heavy so they will definitely require help in installation.

How Easy Is It To Maintain?

Maintaining marine AC units is similar to keeping up with a home AC system .[ 2 ]

The most important thing to do is keep the return air filters clean. I also recommend checking the coils annually to ensure they are not dirty.

A chilled water system such as the Webasto , Marinaire , and Dometic Emerald Titanium  I looked at do require a little extra attention, such as ensuring the water does not freeze in cold months.

I am a fan of low maintenance , and you can’t get much simpler than the Ivation IVACA 6500 and the Dometic Brisk II .

Both marine AC units are easy to access , so filter cleaning requires little effort.

The good thing about most marine AC units is that they are serviceable.

Most marine AC systems mentioned above have service ports so an AC tech can easily perform a check-up and get the system running like new again.

TL;DR: Look for marine ACs that offer ease-of-maintenance features such as service ports, easy to access filters etc. 

How We Review & Rank Our Product List

At Air Conditioner Lab, our team follows a similar process when evaluating all products reviews before formulating our final lists for readers.

We begin by gathering data sources directly from brands, e-commerce platforms, online retailers and press releases.

These are then added to a master file we use to compare features specifications from all air conditioner models. You can access this Air Conditioner Sheet Here .

Next, we narrow down all the products on the market by evaluating user reviews, ratings and feedback from a wide variety of online and in-person sources.

Our team then discusses and co-ordinates our first hand experiences using these products, as well as gather independent opinions and feedback through Youtube and customer reviews.

4 Types Of Marine ACs Found On Boats

Types of marine AC

1. Self-Contained Units

Self contained marine air conditioners like the Webasto and Marinaire place the condenser and blower in a single package.

Most marine air conditioners rely on seawater to cool the returning refrigerant. These units are very efficient, quiet, and compact, which is perfect for a boat.

Adding this type of marine air conditioner is also very easy, even if your boat never had air conditioning.

All that they require is a hose for the seawater, electrical, and a hole for the vent.

Using a vent means self-contained units are great for directing airflow to a specific part of the boat.

It is also worth noting that self-contained units can also refer to portable, roof-mounted, or hatch-mounted systems where the condenser and evaporator are together in one assembly.

2. Hatch-mounted Units

A boat hatch-mounted marine air conditioner is designed to fit into a boat’s existing hole in the roof.

These units are very easy to install, but they come with a few challenges.

Hatch mounted air conditioners are essentially a window AC unit with an angled duct that attaches to the boat's hatch.

I often see people confuse roof-mounted air conditioners like the Dometic Brisk II with hatch-mounted marine AC units. It may be possible to install a roof-mounted AC unit into a hatch, but most hatches are too large.

3. Chilled Water Units

Chilled water units are some of the most popular marine AC systems, and chilled water may be used on both split and self-contained systems.

A pump takes seawater and pushes through copper piping on the chiller, known as a heat exchanger.

Instead of using large condensing coils like your home's AC system, the seawater cools the coils, so there is no need for a fan.

Besides heat transfer, chilled water units still operate like most other air conditioners.

For instance, they have a compressor, evaporator coil, and a reversing valve (on heat pump models).

To boil this down, chilled water units are perfect for boats because there is a constant supply of water to keep the system cool.

This also removes the need to place a condensing unit outside since the seawater literally removes heat from the boat.

4. Split-air Units

A split-air unit is simply an air conditioning system where the condenser and evaporator are separate.

In most applications, the condenser coils and compressor are outside, while the evaporator coils and air handler are inside.

This is the exact opposite of a self-contained marine air conditioner. However, it can use either a chilled water system or an air-cooled condenser.

I don’t want to make this too complicated, but the Ivation we covered is technically a split system since the condenser and evaporator are separate.

However, a more conventional example is the Dometic Emerald Titanium DEUX .

Split systems are ideal for larger vessels with an engine room or boats with multiple evaporator units.

I recommend against these complex split systems for many boaters because they are very complicated, and repair can be costly.

TL;DR: There are many different types of marine AC systems. Some systems are suitable for smaller covered area such as roof-mounted ACs, others systems like split air or self contained units are essential for larger covered area.

How Many Watts Does A Marine Air Conditioner Use?

The exact number of watts a marine air conditioner uses varies by model and BTUs. For example, a 6,000 BTU self-contained unit uses about 500-550 watts.

How Long Do Marine Air Conditioners Last?

A marine air conditioner’s lifespan hinges largely on how well it is taken care of. The average life is about ten years, but this may vary depending on how much use it gets.

How Do You Size A Marine Air Conditioner?

You size a marine air conditioning unit based on the cubic footage of the boat, as well as sun exposure and climate. A quicker and easier way to get in the ballpark is by multiplying 5 BTU times the square feet of the boat.

How Do You Maintain A Marine Air Conditioner?

The most important part of maintaining a marine air conditioning unit is to clean out the return air filter and keep the condensate pan clear. Be sure that water does not freeze in the pump or pipes during the winter.

What Is The Difference Between Refrigeration And Air Conditioning On A Ship?

Refrigeration and air conditioning are often used interchangeably when discussing cooling systems on a ship.

However, the word refrigeration is mainly used when talking about cooling systems like freezers and other cold storage. In contrast, air conditioning commonly refers to regulating temperatures in a living space.

So, Which Will You Buy?

The best marine air conditioner will depend on your boat’s size and needs. I like all of the marine AC units that we covered, but each one really fits a specific need.

However, I find the MarinAire Self-Contained system to be the best marine air conditioner because of its casing and integrated gauges.

But best of all, it is easy to install.

I also like the units built by major brands like Dometic marine air conditioners because they are well-built for a harsh marine environment and offer an excellent warranty.

My #1 Recommendation

References: 

  • https://www.marinaire.com/category-s/28.htm
  • https://www.energy.gov/energysaver/maintaining-your-air-conditioner

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Best Marine Air Conditioners

Best Marine Air Conditioners | Life of Sailing

Last Updated by

Daniel Wade

May 2, 2023

‍ Key Takeaways

  • The best marine air conditioner will vary based on key factors specific to your needs
  • Webasto, MarinAire, and Flagship are some of the most recognizable air conditioners
  • Most marine air conditioners are affordable and made with quality parts
  • Consider choosing a cooling system based on the size of your boat
  • Marine air conditioners will likely last up to 20 years with preventative maintenance

‍ A good quality marine air conditioner inside a boat comes in handy on a hot day. But what qualifies one as the best marine air conditioner?

The best marine air conditioner could be argued for brands such as Webasto, MarinAire, Dometic, and Campelify. The best marine air conditioning systems all rely on factors for the size of the boat, how easy it is to install, and the budget in order to be considered the best.

Drawing from personal experience, the best marine air conditioner is one that can hold up well to the marine environment at a good price. You should also aim for air conditioning systems that do not require a lot of assistance installing if you are by yourself or have never installed one.

Table of contents

‍ Nine of the Best Marine Air Conditioner Units

Hot weather in the summer is a great time for sailing but can be uncomfortable and even dangerous. Investing in marine air conditioners can make your sailing experience more enjoyable and prevent heat-related illnesses.

You and your passengers can stay cool and comfortable during hot weather especially in the summer with a functional air conditioner on board. Choosing the best marine air conditioner can be challenging due to the numerous options available.

MarinAire 16,000 BTU

MarinAire 16,000 BTU

Equipped with pressure gauges and a sound cover this unit boasts a stainless steel drain pan, D- Smart control system, a low startup current, and a compact design suitable for small spaces. While unsuitable for household installation, its standout features include a 60% noise reduction and 360-degree blower outlet to help make it a smart investment.

  • It has a D-Smart control system that protects from damage and detects humidity
  • Rotating 360-degree blower outlet
  • Includes sound cover
  • Short power cord
  • The electrical box can be intimidating if needing to work on

Webasto 10,000 BTU

Webasto 10,000 BTU

Webasto's platinum series features a self-contained marine air conditioner with a 10,000 BTU cooling output with a robust design, is quiet, and has a reverse-cycle heat. This unit is great for new installations or as a system replacement and upgrade and includes a compressor compartment, condenser, evaporator, remote thermostat, and controller, as well as velocity blowers for superior cooling. Its programmable thermostat, low maintenance, fuel efficiency, and easy installation make it one of the top marine air conditioners available.

  • Respectable cooling results with low maintenance
  • More affordable compared to other models with the same output
  • Quieter when operating than other models
  • The square fit might be difficult to retrofit on some boats

CAMPELIFY Portable Air Conditioner Unit

CAMPELIFY Portable Air Conditioner Unit

This is a top rated portable marine AC unit with mild cooling and is ideal for boats and campers. It uses vapor compression, 134A refrigerant, and a micro-channel condenser for compact design.

It also features a DC rotary compressor for high performance and vibration cushioning. It can be powered by a grid or battery for spot cooling in small spaces or larger rooms.

  • Ideal as a small boat air conditioner
  • Energy-efficient and can be used with solar power
  • Easy to install and is cost-effective
  • Not as efficient cooling larger rooms

Dometic Envirocomfort 16,000 BTU

Dometic Envirocomfort 16,000 BTU

The EnviroComfort Dometic marine AC retrofit kit is a cost-effective, eco-friendly option for mid-sized boats that provides year-round comfort with a climate control feature. User reports claim that it is easy to install, clean, and monitor. This Dometic marine air conditioner has an audible fan that may unintentionally switch modes during extreme temperature fluctuations.

  • Best bang for your buck marine AC unit
  • Simple to set up and has quality air output
  • Energy efficient for mid-sized boats
  • Can be pretty noisy compared to other models

Black+Decker Portable AC

Black+Decker Portable AC

The BLACK+DECKER portable air conditioner is a powerful and versatile unit with a 10,000 BTU ASHRAE exhaust system that is ideal for midsize cabins at sea. It has a corded electric power source, remote control, environment-friendly refrigerants, LED control panels, and a 24-hour timer with auto-control sleep mode.

You would likely need to use two units as a primary and secondary backup for larger boats during a more extended sailing trip. Maintenance is easy with reusable air filters, pressure gauges, air intake gaps, and an exhaust hose. You might need a sound cover to help reduce noise.

  • Worth a shot as a backup marine air conditioner for larger boats
  • Very affordable
  • It can be quite noisy compared to other models
  • Somewhat bulky and can take up a lot of space if you buy more than one

ASA Electronics ACM135 Advent Air

ASA Electronics ACM135 Advent Air

ASA's AC model for sailboats is ideal for non-ducted setups with 13500 BTU cooling and eco-friendly features. Its robust build minimizes vibrations, has three fan speeds, and connects to a standard 14.25 opening.

It requires professional installation for this self-contained unit that has refrigerant. There are six foam pads that line the watertight vent opening and it has filters that you can wash to help ensure clean air. Saltwater may corrode the stainless steel drain pan faster and there is no warranty without professional installation.

  • Three fan speeds for various air output
  • It has a removable air filter
  • Can add a heat strip for warm air
  • No pressure gauge
  • Need a professional to install
  • Warranty in question

CTM Marine

Miami's CTM Marine created a powerful marine air conditioner that is resistant to corrosion and compatible with other major brands. These units are energy-efficient, eco-friendly, and quiet.

Depending on your cooling needs they can range from 6,000 to 72,000 BTUs and are compact. They also come with a two-year warranty and offer excellent as a top marine air conditioner choice in the market.

  • Competitive price compared to other marine air conditioner brands in the market
  • Quality materials meant to last in marine environments
  • It has a warranty for two years
  • Control is sold separately
  • The blower is not able to turn past 170 degrees
  • Have to buy from an authorized dealer

Flagship FM16H

Flagship FM16H

Flagship Marine's FM series air conditioners are praised by boaters for their robustness and potency. Their units are renowned for their durability and are used on US Coast Guard and Navy vessels. These models have also lasted over 20 years for recreational boaters.

They operate quietly, utilizing isolator bushings, have insulated blower chambers, and use LG Rotary Compressors. Their low noise level enables them to be installed even beneath bunks. FM units also feature a smooth startup and low surge as well as dry drain pans that protect against condensation and corrosion.

  • Uses relays instead of circuit boards
  • Has a warranty on parts for five years and one year on labor
  • Constructed in the US
  • Does not have a variable speed
  • Unit has to be shipped off if problems cannot be fixed over the phone
  • Warranty can be strict in certain situations

Mermaid M16

Mermaid M16

Mermaid boasts a proficient crew and backs their products that include the M16 flagship model. This 16,500 BTU AC cools or heats boats to roughly 1,400 cubic feet with superior US-made parts and is perfect for larger boats.

They craft with high-grade components on sturdy stainless steel bases. It is also customizable with several different air discharge options.

  • It has a five year warranty on craftsmanship and materials
  • Easy to make repairs and install
  • Outstanding customer service where people talk to you that have built them
  • Unit has to be shipped to them if any major issues
  • Might have some minor noise issues

How to Find the Best Marine Air Conditioners

Choosing the best marine air conditioner can be a challenging task for some boat owners. You would need to understand a variety of factors before jumping into a purchase for one.

It is best to conduct all the research you can when considering a marine air conditioning. Choosing the right boat AC unit requires careful planning and significant investment.

How Big is Your Boat?

Selecting an optimal marine air conditioner requires measuring the cooling area and factoring in the following:

  • Adequate insulation
  • How much sunlight exposure
  • Number of windows
  • Size of your boat

Consider choosing a higher capacity unit or several smaller units for larger boats. Confirm that there is adequate space near the engine for the condenser when choosing a split system.

Important Details of the Marine Air Conditioner

Marine air conditioners come in a variety of intended uses and price ranges. However, there is more to look into than just that. Consider the type of unit you choose based on:

  • How much space it requires
  • Ease of mounting and its location
  • Research power requirements in case you need extra power
  • Evaluate the impact on vessel performance from added weight
  • Understand British Thermal Units (BTUs) and how they apply to output

Other factors will likely affect your decision to buy a certain model. You need to consider the noise level if you are a light sleeper in order to avoid sleep disturbances.

Some marine air conditioners are easy to install and you can do them yourself. However, some require proper installation for efficient refrigeration, return air flow, to allow for maintenance, and ducting or discharge options.

Budget and What it Costs to Maintain Marine AC Units

Only you know exactly what you can and cannot afford. Budgets are crucial in determining which AC units appeal to you.

Maintenance requirements should also not be overlooked. Complex systems might require more money to fix than standard AC units. However, most marine AC systems will have a customer support line to help fix any issues.

Some marine AC units have warranties on parts, labor, materials, or a combination of a few. You will need to verify warranty coverage for your chosen marine AC unit to ensure customer protection for potential defects, parts that need to be replaced, and urgent issue resolutions.

You should make sure to follow exactly what it explains so that you do not void your marine air conditioner warranty. This means properly following a schedule of routine maintenance and other rules for repairs.

Benefits of a Marine AC Unit

Adding an AC unit to your boat offers more than just cooling benefits on a hot day at sea. You will discover many advantageous features that make them more valuable than just that.

You can likely still find sailors that do not use an air conditioner on their boat. But there are plenty of positives to consider adding one to your vessel.

Fights off Mold

Air conditioners aid in preventing the growth of mold by promoting proper air circulation. This keeps boats free from mold and its associated foul odor caused by high heat and humidity.

Mold infestations can be challenging to eliminate once established. Installing an air conditioner will help keep you proactive of a mold situation.

Staying Cool

The main point for AC units is to help cool the boat cabin or intended room. You can escape the heat while sailing with an air conditioner on board your boat. This will also make your boat more appealing to be on as you explore the waters with your companions.

This feature maintains vessel coolness during rain in wet and humid regions. That allows for drying and cooling without opening windows. The air conditioner manages climate control and eliminates the need to expose the interior to rain and air.

Can Potentially Use as a Heater

Some marine air conditioner units double as heaters in winter. That alone could be worth the extra investment since you would not need to find a separate heating system like a diesel stove.

If you are able to use your air conditioner as a heater then it will allow you to save space. Some units are only for cool air so you would need another unit simply for heating and that will take up more space.

Helps Dehumidify Vessel

Marine air conditioners on boats help the cooling process but also dehumidification and heat through reverse cycle. Boats that are dry during storms or when it is insanely humid increase comfort and reduce corrosion for onboard systems.

Varieties of Marine Air Conditioners

Prioritize researching available marine AC systems and their suitability for your vessel's size and needs before making any extravagant purchases. Choosing the wrong unit can result in inefficiency, battery drainage, and inadequate cooling.

Self-Contained Units

These compact systems can be fixed onto a single chassis and make them suitable for cooling vessels between 25 and 40 feet. They can be installed in various locations, such as the living area, near the waterline, under a settee or bunk, and require thru-hull connections for efficient water absorption.

Hatch-mounted Units

Compact vessels like small motorboats and daysailers are ideal for using such systems and are popular due to their portability. However, they can be bulky and require two people to move. It is important to note that portable AC units for boats may not be effective in cooling larger cabins.

Chilled Water Units

These systems consist of a chiller in the engine room that cools freshwater. Units like this are ideal for cooling multiple cabins on super yachts and larger vessels.

The water is then circulated through a pipe loop to air handlers installed in the fore room. Despite their high energy requirements these AC units are an efficient option to consider.

Split-air Units

Boats up to 80 feet benefit from central or split air conditioning with a condensing unit housing the seawater condenser, compressor, and electrical parts. The evaporating unit, consisting of a blower and evaporator coil, is installed in living spaces. Insulated copper tubing connects the two units for refrigerant flow.

How You Can Install a Marine Air Conditioner

Installing an air conditioning unit on your boat can be hassle-free if you follow the manufacturer's instructions. Make sure to have the necessary thru-hulls and tools before installation. You can also watch instructional videos for your specific model or seek professional help for complex installations.

Placement is crucial and should be in a well-ventilated and dry area and away from flammable sources. If you do not have enough space then consider making some modifications. Follow the manufacturer's recommended installation instructions for best results.

If you find the installation process daunting then it is best to seek out professional assistance. In doing so make sure to pay close attention to the procedure and learn how to troubleshoot common issues. Being knowledgeable about your AC unit will help you keep it functioning efficiently.

How to Take Care of Marine Air Conditioners

To help optimize your marine AC unit's performance you can do simple tasks such as consult the manual and clean the rear filter. Further proper cleaning instructions can be found in the manual that might be necessary.

Most marine air conditioner units need the sea strainer cleaned for sufficient water supply. You should also check raw water discharge for proper operation.

Maintenance conducted by a trained professional is recommended every few years to prevent clogging. Extending the unit's lifespan up to 20 years is as simple as properly maintain your marine air conditioner.

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The Best Marine Air Conditioners for Boats & Other Marine Vessels

Written by J. Harvey / Fact checked by S. Numbers

best marine air conditioner

Having the best marine air conditioner is beneficial for the entire boat and the people on it. The even temperature movement from any boat AC unit and other self-contained units of a marine AC influence boating results.

Getting the right boat AC system starts with knowing the answer to, “How do you size a marine air conditioner?” Here are other essential features, factors, and FAQs about marine air conditioning systems for your reference:

  • Boat Sizing and Layout – These are important when choosing the top-rated marine air conditioners or specific portable boat air conditioner. Decide wisely which marine air conditioner or portable marine air conditioner to buy. Measure the square area you like to get cooled to know the load factor. Include insulations, sunlight exposure, windows, height, and other factors for a large or small boat air conditioner.
  • These refrigeration factors help determine the desirable British Thermal Units (BTUs) or power draw for the entire boat, which influences the needed cooling power of the entire boat hatch from your energy-efficient marine air conditioners.
  • Ease of Installation: This relates to the practical cost of installing your boat hatch air conditioner. The easier you install it, the better to plug, play, and relocate like a portable AC for boat does.
  • Installation for a portable boat AC, a 12 volt boat air conditioner, or a marine air conditioner 16,000 BTU varies. They’ll likely need specific wiring, plumbing, ducting, and location aspects that may be handy, mild, or complex to install.
  • Mount your marine air conditioner units properly for good refrigeration cycle or return air to and from the cooling units. Ensure the marine air conditioners have proper ducting, discharge options, and enough space to ease their maintenance servicing.
  • Power Supply: All marine air conditioners run on an alternating current or AC power source. They range from a 12v marine air conditioner to a larger 230-volt cooling performance with 3-phase compressors.

Check the manufacturer’s specifications of a marine air conditioner brand for recommended amperage, wiring, and circuit breaker sizes.

Read these reviews to get your most efficient marine air conditioner.

marine yacht air conditioner

  • Comes with a chiller unit
  • Low fuel consumption
  • Durable construction

marine yacht air conditioner

  • Easy to install
  • Low start-up current
  • Best works with boats and yachts

marine yacht air conditioner

  • Power-saving
  • Portable and lightweight
  • Ideal for small rooms and spaces

Table of Contents

1. Webasto 5011396A Air Conditioner Retrofit

2. marinaire marine ac and heat pump, 3. campelify 1910e-ac compact air conditioning, 4. dometic 207500310 envirocomfort retrofit, 5. black+decker bpact10wt portable ac, factors to consider when choosing marine air conditioners, how many watts does a marine air conditioner use, how long do marine air conditioners last, how do you maintain a marine air conditioner, how do you size a marine air conditioner, top 5 marine air conditioner reviews.

Among all the Webasto marine air conditioners (ACs), this self-contained AC retrofit unit is the first bestseller. Boaters love this sailboat air conditioner model that comes as a platinum series with a chiller unit for optimum performance.

The 5011396A marine air conditioning system has a cooling output of 115 volts/60Hz producing 10,000 BTU. It features a reverse cycle heat marine AC with quiet operation and a robust design that is solidly built and economical.

This self contained marine AC unit works best as a new installation or replacement and upgrade of an entire unit. The square-sized kit has a compressor compartment, condenser, evaporator, remote thermostat, and controller for a quiet operation.

I love the AC kit’s performance among big air conditioners with superior velocity blowers. The velocity blowers are durably built, comes with instructions, and complete with product information and materials for solid cooling results.

It’s a digitally and remotely programmable thermostat providing ease of operations, monitoring, and noise reduction. I can attest that these boat air systems work as one of the top-tier marine air conditioners in the market.

  • Low fuel consumption/maintenance, and solid cooling results
  • Well-designed and durable construction for a hassle-free installation
  • Affordable and best marine AC system for a quieter operation
  • Comes with a chiller unit for an optimized performance
  • Excellent velocity rotatable blowers and remote thermostat control
  • The square-sized air conditioner system may be difficult to retrofit

Another bestseller on our review is a compact size marine air conditioner and heat pump manufactured by MarinAire. It is really easy to install and provides outstanding cooling and quieter operation like a portable marine air conditioning unit.

I‘ve been using this 110-120 volt and 60-hertz contained marine air conditioner for over 2 years. This Integra model is easy-to-install with built in pressure gauges for better operations using its D smart control system. The digital control features help the configuration and setup of the remote temperature sensor. It is a very good small marine air conditioner unit that works with limited cabin enclosures and tiny boat spaces.

The marine AC unit has a low start-up current or low energy consumption even at higher cooling temperatures. The high-velocity rotatable blower of this boat air system works well when adjusted for any 360-degree cooling position. It comes with a compressor sound cover for noise reduction, stainless steel drain pan, and an environment-friendly R410A refrigerant. Hence, it is great as a 16000 BTU self contained marine air conditioner and heat pump 115v60 system.

  • Self-contained marine air conditioner and heat pump with low start-up current
  • Easy to install and monitor with rotatable blower and built in pressure gauges
  • D-smart control system for better performance monitoring
  • Compactly built with stainless steel drain pan and compressor sound cover
  • Limited for use on boats and yachts and not designed for vehicles and home use

Check this 12v marine air conditioner review for a compact air conditioning system with a mild cooling capacity you’ll like. It comes with a DC mini-rotary compressor that is ideal for boats, camper vans, vehicle chiller’s, and refrigeration cooling systems.

This portable AC unit has a versatile, compact cycle efficiency and lightweight design for indoor and outdoor uses. It is dubbed the top-rated boat air conditioning system with 450 watts/1,535 BTU cooling power for boats and vehicles.

The compact refrigeration unit comprises of a driver board, condenser, mini-rotary compressor, evaporator, capillary, controller, etc. Its highly-tight direct refrigeration cooling unit features a miniature DC rotary compressor for high performance and vibration cushioning.

I love how this DC air conditioner uses vapor compression technology to chill the air in my boat cabin. Add its microchannel condenser, 1.9-liter compressor, and a 134A refrigerant that removes the heat and circulates chilled air, this is the smartest among boat air handlers I’ve tried for efficient spot cooling in small spaces. It uses a corded electric power source that can be a grid or battery.

  • Portable and lightweight AC cycle cooling efficiency for indoor and outdoor uses
  • Easy to set up low-cost air handler than most marine air conditioners
  • Ideal for spot cooling small rooms and spaces
  • Uses vapor compression technology for chilled air of any enclosed spaces.
  • Power-saving and works with most 12V batteries, grid, or solar
  • To cool larger rooms, it needs to run at full blast for optimal cooling power

marine yacht air conditioner

Enjoy your boating seasons with this “EnviroCimfort (ECD) Dometic marine air conditioner that packs plumbing and air movement essentials. This retrofit kit is a handy air filter system for mid-sized boats and marine vessel cabins or enclosures.

The Dometic 12,000 BTU marine air conditioner is a dependable upgrade with innovative design, power, and affordable features. I like how it makes an environmentally friendly retrofit solution with useful plumbing and air movement components. This Dometic model is effective in distributing hot air to cool up my boat including the engine room whole year-round. It also comes with an electric box for easy operations, which I enjoyed using since the day I bought it.

Ensure your boat is cool all season with these self contained units of ECD AC kit. It is accompanied by an R-410A refrigerant for ecologically fit cooling performance you’ll surely like. When you purchase it, you will be given a 6 to 12 months of labor and parts warranty. Moreover, you wi;l appreciate that it is a lot more affordable than retrofitting old BTU H self-contained marine ACs.

  • Affordable high-capacity marine AC for the best value of money
  • Easy-to-install BTU H self-contained marine air conditioning kit
  • Power-saving stellar reverse cycle heating and air filter system for mid-sized sailboats and larger boats
  • Effective air distribution for boat enclosures any season of the year
  • Environmentally-friendly retrofit kit with plumbing and air movement solutions
  • Needs a sound shield for quieter operation

marine yacht air conditioner

The final product on our list is a white BLACK+DECKER portable air conditioner with remote control. This corded electric-powered AC is a solidly powerful cooling and dehumidifying unit that can work well during emergencies.

It provides an unrivaled air conditioning output g to beat the heat. This versatile cooling unit can serve as a main and backup AC unit for midsize cabins while at sea. It has an optimal cooling output at about 10,000 BTU ASHRAE exhaust system. I love its easy-plug-and-play features: a window adaptor, main power cord, and other useful components for each trip.

I bought two units of these small compact AC systems, which helped me complete a great sailboating escapade. The sudden temperature issues while using them as a cooler and dehumidifier are within control. They can be used alternately as primary and secondary units for over 30 days sailboating period. Their environment-friendly R410A refrigerants and LED control panels made them safer and fully remote-controlled.

  • Easy to install and assemble portable AC and dehumidifying system
  • Quick remote control access and LED control panel for ease of use
  • Affordable boat air handler with strong cooling output that beats the heat
  • Best to work as a primary and secondary AC unit for all sizes of enclosures
  • Power saving with 24-hour timer, sleep mode, and 3-fan level control
  • Its cooling strength causes bothersome noise

portable-marine-air-conditioner

Understanding how the marine air conditioner works needs a basic awareness of the brands available in the market. The brands in these reviews offer the AC types and components you need to operate them in your boat.

All three main types and functionalities for an effective refrigerant system are simplified below for your guide. Remember that they all have AC components comprising of a compressor, condenser, and evaporator to ease your needed air movement.

These components cool the air circulation with the help of a refrigerant flow, push the airflow cooling process, and transfer it to an evaporator component and then to the air handlers.

The distribution process also includes fans and air handlers to get cooled or chilled air into your boat cabin. You need to know these factors to judge affordable brands, heavy-duty types, among other essentials for quality boat air circulation.

What Are the Three Main Types of Boat Air Conditioning Systems

Many variants of air conditioning kits are offered in the market but boat lovers consider only a few of them. Choose among these three high-quality marine air conditioner types based on your boat size and layout:

  • Self Contained Direct Expansion Systems or DX Type AC systems are loved by most boaters for their budget efficiency features. What’s more lovable about these boat AC units is that they are easy-to-install, maintain, move, and restore. They usually work for small-sized to mid-sized boat or marine vessels within about 40 feet vessel length. But they produce a bit of.
  • Remote Systems or Split Gas Types are widely used in mid-sized and large marine vessels like yachts and sailboats. Split gas AC units feature a centralized condenser connected by a copper wire to a number of air coolers. Aside from being For their quieter and more space-saving perks, however, you will need to shell out a bit more money.
  • Tempered Water Systems or Chilled Water Types are your best option when needing versatile boat AC systems. These systems use a refrigerant in cooling the desired areas of your boat enclosure. But you need to customize an adequate housing for its pipes, low pressure gauges, ducting, and air handlers.

Benefits and Drawbacks of a Marine Ac Unit

Go over the advantages and disadvantages to clear any second thoughts about getting your best choice from this series of reviews

  • Has hybrid refrigerant system combining cooler, dehumidifier, and heater functions
  • Uses environment-friendly refrigerants for chilled water AC systems and low power consumption
  • Packs safety, comfort, and versatility that you may not have enjoyed before
  • Makes a cooling difference that beats the heat even at the highest temperatures
  • Specially designed AC kits to cool or heat specific areas of your boat
  • Portable AC units requiring effortless installation, movement, and maintenance
  • Power saving AC models with useful components to extend for longer uses
  • Fully remote AC system with LED monitors for less space and quieter operations
  • Effective single or self contained AC unit that can cool multiple boat enclosures
  • Manual or auto-controlled temperature levels for effective airflow and flexible cooling of multiple areas

Disadvantages

  • Expensive models like split gas types having special components and systems
  • Larger AC systems can create bothersome noise while cooling wider boat areas
  • AC units with larger compressors and cooling, and air handlers consume high amounts of energy from a boat’s battery

Use these marine AC benefits and drawbacks to choose the right one for the layout and size of your boat.

General Care and Maintenance Tips

Follow the essential factors in getting the right ones and know how to maintain and care for them effectively. Taking into consideration the ease of installation, AC efficiency, boat layout and size, and quieter operation are some key aspects. Include as well these general tips for proper care and maintenance:

  • Safe and Comfort of Use: Any AC system onboard a vessel is aimed towards cooler air for each boat area. Maintain the AC unit to provide desired temperature levels for the safety and comfort of the people aboard the boat. Include in the preventive checks and care servicing the condenser, compressor, evaporator, air filter, air handlers, and cooling components.
  • Quality of Material and Boat Equipment: Amidst extremely hot and humid weather, the soundness of your boating emanates from regular maintenance activities. Ensure preventive servicing is done to prevent rust and corrosion from endangering the quality of the boat and equipment.
  • Discharge, Ducting, and Wye Provisions: Ensure that there is sufficient space around the unit to do the maintenance servicing. Remove the unit if necessary, especially the split gas types to include visual checks of the surrounding containment.

These maintenance and care factors are within the functionalities of all the AC brands in this series of reviews. Performing these basic care and maintenance servicing will help prevent enery-consumption and smooth operation issues.

portable-boat-air-conditioner

Adding a boat AC onboard may require a generator set aside from the usual battery-powered supply. Ensure around 120-volts/2500-watts AC power to enjoy a 10,000 BTU AC unit, among other electric-powered appliances .

While being docked, a 5,000 BTU AC draws around 5 amperes/1,250 watts with 120-volt power. Generator sets could be an option to supply consistent power to you boat and AC equipment. Inverter-type power sets can also allow you the use electronic equipment, computers, and power tools instead of noisy generators.

These marine AC systems can serve for about 10 to 15 or more years when properly cared for. Various factors affect the life expectancy of a boat air conditioning system. AC models that complete the manufacturer’s recommended repairs, regular checks, and preventive measures can reach about 20 years. Always refer to the manufacturer’s product specifications and care sheet for the appropriate servicing and use.

Do the general maintenance of the boat airconditioning system in a regular and timely manner. Cleaning and declogging dirty air filters ease out the refrigeration system by freeing the airflow passage for the system’s efficiency.

Do the same cleaning of the interior and outdoor AC systems to visually check, clear debris, and rinse condenser coils. Ensure to check the thermostat, clean filters, declog drain lines, and switch-off humidifiers when not in use. Use a small brush, a vacuum, and blowers to dry wet parts before the next operation. Test the drain line by pouring some water for declogging and schedule the next maintenance or tune-up.

The basic tip in sizing your boat air conditioning system is to get the area of the room you need cooling. Get adequate room cooling by multiplying 25 BTU to the total area in square feet. So, for a 200 square feet area dimension, you would need about 5,000 BTU airconditioning systems. Divide the total BTU, say 12,000 by 12,000 to get the 1-ton capability for the new cooling system.

The larger the area to get cooled, the higher capacity and pump connectivity to get on your boat. The use of a pump manifold and pump relay also helps your boat AC unit using a common heat pump.

Ensure to get the needed cooling for the boat room considering various weather conditions and factors mentioned in these reviews. Correctly measure your marine vessel’s AC tonnage to get the heat you need to remove, especially when used for 24 hours.

The essential factors, AC types, and FAQs for the best marine air conditioner units are in these reviews. These top portable air conditioner for boat units and other marine vessels are your premium choices.

Whether a large or a small AC unit for boats or enclosures, they make spaces efficiently cool, providing efficient trips despite fluctuating temperatures or heat levels. Choose from the largest to the smallest boat air conditioner from this unbiased guide. Decide on getting a marine air conditioner 16,000 BTU cooling units or other premium choices that boat owners love.

marine yacht air conditioner

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Aqua Air

FROM THE ORIGINAL INNOVATORS OF MARINE CHILLED WATER AIR CONDITIONING COMES A NEW ERA OF CHILLER SYSTEM ENGINEERING FOR MEGA YACHTS AND SUPER YACHTS

A tradition begun by the Nall three-generation family of engineers , and today owned by marine industry designer and manufacturer, Seann Pavlik , AQUA AIR continues its tradition, ever enhancing its commitment, to EXCELLENCE IN ENGINEERING and attention to DETAIL IN MANUFACTURING .

Every unit is designed and built to the highest standard––the Nall , Pavlik , AQUA AIR standard of design , composition, and quality .

From titanium components   standard on every system to assembly , finishing, and system testing , AQUA AIR is committed to delivering unparalleled excellence for each and every yacht on the water.

Today’s AQUA AIR is the pinnacle of generations and families of outstanding design , engineering , and manufacturing for the yachting industry… since the 1940s.

' title=

Titanium Aqua Chiller™ Series

2 to 6 Tons (Compact)

' title=

OMEGA Chiller Systems

60 to 400 Tons

PROJECT GALLERY

marine yacht air conditioner

954.525.2500

[email protected]

1632 NE 12th Terrace Fort Lauderdale, FL 33305

Aqua Air LLC is committed to delivering unparalleled excellence to every yacht owner.

We look forward to discussing your Aqua Air system today.

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Boating Beast

Best Marine Air Conditioners: Reviews & Buying Guide

John Sampson

There are a lot of marine air conditioners on the market, and while that’s certainly a good thing, having so many options can make the process of choosing the right one a bit of a daunting process. To help simplify matters, we’ve taken the liberty of doing the research for you.

Our editorial team spent countless hours reviewing & researching dozens of marine air conditioners, and we’ve narrowed down the list to what we believe are the best models currently available on the market.

Below, you’ll find a compilation of product reviews of the top models, as well as a handy buyer’s guide that details the key factors you should take into consideration when you’re shopping, and we wrap things up by answering some of the most frequently asked questions about marine air conditioners.

So, without further ado, let’s examine the best marine air conditioners available today.

Our Top Picks

Webasto AC Retrofit Unit

Best Pick: Webasto AC Retrofit Unit

  • Premium Pick: Webastco C Retrofit Kit
  • Budget Pick: Campelify 12

Marine Air Conditioners Reviews

Reliable cooling power, whisper quiet operation, durable construction, and easy instillation are just some of the reasons why we selected the Webasto AC Retrofit Unit as our top pick for the best overall marine air conditioner. This 12000 BTU, 410 blower output, and 115 volt unit can keep up to 550 square feet of space cool and comfortable.

It’s equipped with an anodized evaporator coil and multi-capillary ports, and it’s outfitted with a high-velocity, 3-speed, 360 degree rotatable blower, so you’ll have no trouble achieving the ideal temperature for your vessel on those blistering hot summer days. The unibody welded construction combined with an enamel finish make this marine air conditioner durable and long-lasting; it will be able to take on harsh conditions and regular use with ease.

  • Unibody welded construction for superior strength. Blower output : 410 cfm
  • Anodized evaporator
  • Multi-capillary ports
  • Hi-velocity 3-speed, 360 Degree rotatable blower
  • Removable air filter

The robust blower is capable of handling multiple vents and there’s virtually no vibration from the compressor, so you won’t have to worry about being drowned out when the AC is running. Other key features include reverse cycle heating, as well as a digital control panel for easy operation. With a removable air filter, you’ll be able to easily change out the filter, ensuring that the AC will offer optimal comfort and that the air quality inside your boat will stay clean and healthy.

This unit, which measures 22 inches by 21 inches by 14 inches and weighs just 73 pounds, is also very easy to install, set-up, and operate. For your peace of mind, this unit is backed by a 2 year warrant, too.

What We Liked

  • 12000 BTU cooling power
  • 410 cfm blower output
  • Unibody welded construction
  • Long-lasting enamel finish
  • Features an anodized evaporator
  • High-velocity 3-speed, 360 degree rotatable blower
  • Low-vibration compressor
  • Whisper quiet operation
  • Reverse cycle heating
  • Digital control panel included
  • Backed by a 2 year warranty
  • Easy to install and maintain

Premium Pick: Webastco AC Retrofit Kit

Thoughtfully designed, durably constructed, and virtually noise-free, the Webasto AC Retrofit is our choice for the best premium marine air conditioner. Delivering 12000 BTUs, with this air conditioner, you’ll be able to cool the interior of a boat that measures about 25 feet long and 20 feet wide or that has 500 square feet of floor space. It features reverse cycling and comes complete with chiller unit components.

It’s a truly self-contained air conditioner, and it’s very easy to install. This marine air conditioner is constructed of exceptionally durable, corrosion-resistant materials, and it can withstand harsh fresh- and salt water conditions with ease.

  • Quiet Operation & Robust Design
  • Digital Programmable Thermostat
  • Reverse Cycle
  • Product Dimension: 24. 0"L X 21. 0"W X 15. 0"H
  • Included Components: Chiller Unit

As one of the top-rated boat air conditioner brands on the market, Webasto marine air conditioners are highly recommended by boaters. Like all of the other products that Webasto offers, this unit is backed by one of the best warranties in the industry – a full two years! The company is also highly regarded for their top-quality customer support and service.

This unit comes complete with a digital programmable thermostat for easy operation, and according to users, installation is pretty simple and straightforward.

  • Thoughtful design
  • Durable, corrosion-resistant construction
  • Reverse cycling
  • Whisper-quiet operation
  • Measures 24 inches by 21 inches by 15 inches
  • Weighs 70 pounds
  • Comes with a chiller unit component

Budget Pick: Campelify Compact Refrigeration Cooling Systems Air Conditioning System

If you’re looking for a high-quality, reliable, and easy to install marine air conditioner that won’t break the bank, the Campelify Compact Refrigeration Cooling Systems Air Conditioning System is a great choice. It offers a maximum cooling temperature that is 15 to 20 degrees C lower than the ambient temperature in a vessel, and can cool about 35 cubic feet of space.

This compact refrigeration cooling system comes includes a mini rotary compressor, a driver board, a condenser, an evaporator, a capillary, and more. The rated voltage of this unit is DC 12v, it has 150 watts of power, and it has a maximum current of 10A.With ultra-compact direct refrigeration unit with a mini DC rotary compressor, you will be able to enjoy optimal performance, minimal vibration , and even an anti-vibration cushion.

  • Maximum cooling temperature the micro dc a/c achieves, 15-20 degree C lower than that of your ambient temperature.It depends on your ambient temperature and space volume and insulation standard.Around 35 cubic feet(1 cubic meters) space will this effectively cool. Compact refrigeration cooling system kit includes mini rotary compressor,driver board, condenser, evaporator, capillary,etc.ATTEN: 1,535BTU,pls read the specifications carefully before purchasing,thank you for your cooperation.
  • Rated Voltage: DC 12V; Max Current : 10A; Power:150W; Rated current:1~ 8A,Capacity: 450W (1,535Btu). Micro air conditioner module is a compact solution for small & confined space cooling which is powered by battery, grid, car power and solar power.
  • Ultra compact direct refrigeration unit with miniature dc rotary compressor to enable peak performance,low vibration with anti-vibration cushion.
  • Portable Refrigeration cooling system is also available as an outdoor or indoor unit because of its lightest weight and smallest size.
  • Micro dc aircon - super small volume: 13.3*8.2*5.7 inch,super light weight: 5.0kgs (11.02lbs).For small space cooling such as cabins, cuddy cabins,EV (eletric vehicle), helicopter, cab,compact off-road camper,carriage cooling for trucks and other specialized vehicles such as excavation vehicles and agricultural vehicles,etc.

Because this DC air conditioning system utilizes vapor compression technology, it will easily chill your boat’s interior air. Constructed with an eco-friendly R-410A refrigerant, you can feel confident knowing that you’ll be cooling your boat with a reliable, environmentally-friendly air conditioner

  • Offers 1535 BTU of cooling power
  • Ultra-compact direct refrigeration unit with a mini DC rotary compressor that enables peak performance
  • Low vibration and whisper-quiet operation
  • Ultra-compact refrigeration unit with mini DC rotary compressor to ensure optimal performance
  • Easy to install
  • Affordably priced

DELLA 9,000 BTU Mini Split Air Conditioner and Heater Ductless Inverter System

Next on our list of the best marine air conditioners is the DELLA 9,000 BTU Mini Split. This AC offers energy-efficiency cooling, thanks to the 9,000 BTU/h, 20 SEER, 115V, 8 HSPF design. It’s an AHRI-certified pre-charged air conditioner, so it will keep your vessel cool during the dog days of summer, and because it features a ductless mini split inverter plus system with a heat pump and dehumidification technology, it doubles as a heater, so you can use it to keep your boat comfortable all year long.

Thoughtfully designed with a variety of smart settings, such as auto defrost, self-diagnosis/cleaning, a 24 hour timer, a sleep mode, eco-energy saving mod, multiple fan speeds, and intelligent compressor pre-heating, it’s easy to use.

DELLA 9000 BTU Mini Split Air Conditioner & Heater Ductless Inverter System, 20 SEER, 8 HSPF Energy Efficient Unit with 1 Ton Heat Pump, Pre-Charged Condenser, Cools Up to 450 Sq. Ft. Full

  • THIS ITEM IS NOT FOR SALE IN CALIFORNIA
  • [ENERGY EFFICIENT COOLING] This 9000 BTU/h, 19 SEER, 115V, 8 HSPF, AHRI Certified pre-charged air conditioner and heater unit features a ductless mini split inverter plus system with a heat pump and dehumidification.
  • [AUTOMATIC SYSTEM] This air conditioner is designed with several smart settings that make it easy to use: auto defrost, self-diagnosis/cleaning, I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds and intelligent compressor pre-heating.
  • [SMART SENSOR & INSTALLATION] The unit will sense room temperature at the remote control, instead of at the indoor unit during cooling mode. It then adjusts airflow and temperature accordingly, resulting in the ultimate in personal comfort control and energy savings.Line-set vacuuming is required during installation. Any alteration of line-set length requires adjusting freon levels.This system mandates professional installation – it's not a DIY mini split AC.
  • [QUIET OPERATION] This air conditioner is ultra silent at only 30-41 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes.

Outfitted with smart sensor technology, this AC will automatically sense the temperature on your vessel at the remote control rather than at the indoor unit while it’s on cooling mode, and it will then adjust the airflow and temperature as-needed. This technology makes this AC the ultimate in personal comfort control, as well as energy savings.

Operating at only 30 to 41 dBa, this unit is ultra-silent, so you don’t have to contend with the overbearing sound that many other marine air conditioners make. It also delivers equal airflow in all parts of your vessel and can adjust to 60 to 90 degrees F in order to accommodate your comfort in a matter of minutes. Capable of cooling and heating up to 750 square feet of space and the ability to function in as low as -4 degrees F, you’ll have access to reliable heating and cooling

. It also comes complete with a full-installation kit, and installation is a breeze. With advanced air filtration, this mini split AC can deodorize foul odors and will eliminate up to 99.9 percent of harmful airborne contaminants, too!

  • 9,000 BTU/h, 20 SEER, 115V, 8 HSPF delivers energy-efficient cooling
  • AHRI-certified pre-charged air conditioner and heater unit
  • Equipped with a ductless mini split inverter plus system with a heat pump and dehumidification
  • Features a variety of smart settings for easy operation
  • Automatically adjusted airflow and temperature according to the temperature in the space
  • Advanced filtration
  • Ultra-quiet operation
  • Provides ample coverage
  • Doubles as an air conditioner and a heater
  • Comes with an installation kit

ASA Electronics ACM 135 Advent Air 13,500 BTU Roof Top AC

This marine air conditioner from ASA Electronics is a stand-alone unit that will flood the cabin of your boat with cool air from above. It features three fan speeds and it connects to a standard 14.25 opening. It can be wired into an existing thermostat and venting system, or you can install this air conditioner on its own.

This self-contained unit comes charged with either an R-417A or R-410a refrigerant; although, if you are going to be installing it on your own, then you may want to consider hiring an experienced professional for the connections.

ASA Electronics ACM135 Advent Air 13,500 BTU Roof Top AC, White

  • 13,500 BTUs, 115 Volt AC power
  • Rigid, metal constructed base pan
  • Premium, thick, watertight vent opening gasket with six dense foam support pads
  • Three fan speeds Installs in standard 14.25" x 14.25" vent opening
  • Optional plug-in heat strip available

A premium, thick, watertight vent opening casket with six dense foam support pads; there’s an optional plug-in heat strip, too; however, you will need to pay an additional fee for this heat strip. It’s also important to note that the only way to take advantage of the manufacturer’s warranty is by purchasing it from, having it installed by, and having it maintained by a professional dealer.

Additional, there’s a steel collection pan, which may corrode. With that said, however, it is backed by a 2 year manufacturer warranty.

  • Delivers 13,500 BTU cooling power
  • Offers 115 volts of AC power
  • Durable rigid metal constructed base pan
  • Premium, thick, watertight vent opening gasket with six sense foam support pads
  • Three fan speeds can be installed in standard 14.25 inches by 14.25 inch vent openings
  • You can purchase an optional plug-in heat strip for an additional fee
  • Backed by a 2 year manufacturer warranty

Douglas D20 Rooftop Air Conditioner

Another great marine air conditioner to consider is the D20 Rooftop Air Conditioner from Douglas. This 12 volt unit offers 9,800 BTU/h of cooling power, which doesn’t cool large spaces; however, it’s just enough for the cabin of a small boat.

The D20 rooftop air conditioner is a stand-alone unit and it can be charged while your boat is running; however, in order to do so, you will need to connect the air conditioner, you will need to connect it to your boat’s engine .

Douglas D20 Rooftop Air Conditioner, 9800BTU 12V, Black, No Idle, Battery Powered Complete Unit

  • Air conditioner dimensions: 32 7/10” W x 7 3/5” H x 27 5/8” D
  • Performance: 9,800 BTU/h. Input voltage (AC): 12V.
  • For small space cooling such as truck cabins, cuddy cabins, electric vehicles, compact off-road camper, carriage cooling for trucks and other specialized vehicles such as excavation vehicles and agricultural vehicles, etc.
  • Air Conditioner Weight: 110 lbs
  • Cooling Capacity: 9800 BTU/h Rated Total Current: 48A

This unit is easy to install and comes with clear, easy-to-follow instructions and all of the components you’ll need, and once it’s installed, this marine air conditioner is easy to use and to maintain.

  • Overhead air conditioner
  • Offers 9,800 BTU/h
  • Delivers AC 12 voltage input
  • Has an airflow of 480 cubic feet per minute, per watt
  • Comes with a limited manufacturer’s warranty
  • Easy to install, maintain, and operate

Pioneer Air Conditioner WYSO12G-19 Wall Mount Ductless Inverter+ Mini Split Heat Pump

Rounding out our list of the top marine air conditioners is the Pioneer WYSO12G-19. It’s a ductless inverter and features a mini-split heat pump. Designed with the most advanced technologies, this AC offers superior efficiency, comfort, and performance.

Providing 9,000 to 36,000 BTU/h of cooling power, it’s ideal to both cool and heat your boat’s cabin . The system is comprised of a ductless indoor unit, an outdoor unit, a 16 foot installation kit, and a remote control.

Pioneer Air Conditioner WYS012G-20 Wall Mount Ductless Inverter+ Mini Split Heat Pump, 12000 BTU-208/230V

  • Save money all year-round with a highly efficient ductless mini split inverter+ heat pump system
  • Ultra-silent and beautifully built perfect for home or light commercial use
  • Comes with every needed component in the box, including an easy-install 16ft copper piping kit
  • Cooling capacity: 12, 000 BTU/H with 17.5 SEER efficiency || Heating capacity: 11, 800 BTU/H with 9.0 hspf efficiency
  • Free tech support and a 5 year coverage on the compressor

The indoor temperature settings range from 62 to 90 degrees F; there’s a low-heat setting (via an unoccupied-vacation mode) is 46 degrees F. The cooling mode outdoor ambient ranges from 32 degrees to 122 degrees F, and for the heating mode, the outdoor ambient range is +5 to 86 degrees F.

With a wireless internet remote access option, you can choose from one of the four operating modes – cooling, heating, dehumidification, and ventilation – with just the push of a button. Furthermore, there’s an auto switchover mode option that allows for completely automatic operation via an on-board computer.

A timer function lets you set the system to start or stop running at specific times, and the night mode function instantly adjusts the temperature settings to the naturally changing nighttime body temperatures.

There’s an auto restart function, that memorizes all settings, which comes in really hand in the event that there’s a temporary power failure, and it will restart the system and continue running the same way it was running when the power is reconnected.

  • Mini split ductless inverter air condition and heat pump system
  • Contains indoor and outdoor sections, as well as a remote control, and essential installation accessories
  • Use it to heat and cool the interior of your boat
  • With 9,000 BTU/h to 36,000 BTU/h, it delivers reliable, yet energy-efficient cooling power
  • Inverter system with variable speed compressor with super-high efficiency levels
  • Comes with a wireless digital remote control
  • Available automatic switchover mode for completely automatic operation via an on-board computer
  • Features a timer function, a night mode function, and an auto restart function
  • Cloud programmable wireless internet remote access function

Other Best Selling Options

16000 Btu/h Self Contained Marine Air Conditioner and Heat Pump 110-120V/60hz

  • Built-in pressure gauges, 360 Degree Rotatable blower
  • SS316 stainless steel drain pan
  • Compressor sound cover
  • Low start up current
  • D-Smart Control System

Dometic ECD10K 207500310

  • ENVIRONMENTALLY FRIENDLY: The Dometic ECD air conditioning kit uses R410A refrigerant, which is more environmentally friendly than traditional refrigerants like R22.
  • VERSATILE BLOWER: The ECD air conditioning kit comes with a blower that can be rotated to a horizontal or vertical position, making it easier to connect to the duct and giving you more flexibility in installation.
  • USER-FRIENDLY DISPLAY: The kit includes a compact digital control and display unit that is easy to use and features large buttons and a bright green LED display.
  • CONVENIENT ELECTRICAL BOX: The electrical box can be mounted remotely for added convenience during installation.
  • STAINLESS-STEEL DRAIN PAN: The ECD air conditioning kit is built on a high-quality stainless-steel drain pan that is durable and resistant to rust and corrosion.

Dometic Marine 9108732762 ECD6/2-1171-410A RETROFIT KIT, One

Marine Air Conditioner Buyer’s Guide

As you can see, when it comes to marine air conditioners, there are several different options, and now that you’ve read through our list of options, you are probably wondering which one will best suit your needs. After all, you don’t want to purchase an air conditioner for your boat that won’t function for your particular needs; not only would that be a big waste of money, but it would also be downright frustrating, as your boat would continue to be uncomfortably and dangerously hot.

So, how do you go about choosing the right marine air conditioner for your unique needs? By taking some key factors into consideration before you start shopping. To further assist you on your quest for choosing the best marine air conditioner, we’ve outlined some of the most important factors that you should consider before you make your final decision.

The Type of Marine Air Conditioning Setup

First and foremost, you should decide which type of marine air conditioning setup you would like to install on your vessel. Just like home and commercial air conditioner units, marine ACs have to be fitted and are specific for their application. There are a few different types of setups, with the following being the most prominent:

  • Self-contained. As the name implies, a self-contained marine AC is a packaged air conditioning unit, meaning that all of the components – the compressor, condenser, and evaporator – are contained into a single unit. They can be built into cabinets, underneath seats or beds, or even in their own wardrobes or closets. The above-mentioned components are designed to cycle seawater, which cools the refrigerant. By using seawater to cool the refrigerant, the system continues to work while the R4101 or R-412a refrigerant cools the air in the cabin of your vessel. Self-contained marine air conditioners are best suited for boats that measure up to 40 feet long.
  • Split air conditioners. Also known as a central or a remote air conditioning unit, a split AC is similar to the residential units that are used to cool homes. Rather than having all of the components contained in a single cabinet, the components are split up. Typically, the seawater compressor, the condenser, and the pumps are mounted into the boat’s mechanical or engine room, and the air handler and vents are mounted in the vessel’s living space. Special copper tubing transports the refrigerant between each of the components of the split air conditioner, which cools (or heats) the air. Split marine air conditioners are best suited for boats that measure up to 80 feet long.
  • Chilled water air conditioner. With this type of air conditioner, rather than using refrigerant, seawater is fed through a chiller or a heater, which carries cooled or heated air to your boat’s cabin and living spaces. Of all the marine air conditioners, chilled water ACs are the largest and the most expensive systems, and as such, their capacity potential is significant; up to nearly 3 million BTUs! When the water is cooled, it passes through tubing to the air handlers of the unit, where the cold water cools the air and delivers the cold air throughout the boat. Chilled water air conditioners are intended for large boats, such as superyachts and cruise ships .

The Size of the Air Conditioner

You’ll also want to consider the size of the marine air conditioner; the physical dimensions of the unit, as well as the unit’s capacity and output. On boats, you are more limited in terms of physical size; therefore, unlike a residential AC unit, there’s no way to place half of the system outdoors, and as such, you want to be sure that there is enough physical space on your boat to house the unit.

You should also consider the BTU rating of the unit, as this will let you know how many square feet the system will be able to heat or cool. The average marine air conditioner can cool around 5 square feet per BTU, and can heat about 10 square feet per BTU.

Type of Ventilation

It’s also important to consider the ventilation, as ventilation is very important. When it comes to a marine air conditioner, there are two different types: active and passive. Passive is what is used in most residential and commercial properties, and it’s comprised of an air handler that is connected to ductwork with vents, gates, or louvers where the air circulates.

Passive ventilation systems are more cost-effective and they’re easier to install in boats; however, it’s important to note that if the vessel or the air isn’t moving, the ACs air won’t move, either. With active vents, intake and exhaust fans (either powered by your boat or by the sun) move the air, even when it’s calm. Though active ventilation is pricier, you’ll always have a reliable source of ventilation, as the system will constantly move air in any direction.

Power Requirements

The average power draw for a marine AC is between 8 and 10 amps per BTUs. This can be kind of hard to maintain while you’re sailing, especially depending on the size of your system. As such, you’ll have to consider an appropriately sized inverter, as well as battery banks, to power the air conditioning system while also taking the other electronics on your vessel into consideration.

The Climate

This is a factor that many boaters often forget to consider; however, if you want to ensure that you’re choosing an effective air conditioner, it’s really important. The climate that you will be sailing through will have a direct impact on your cooling needs; for example, if you are sailing in conditions where the temperatures exceed 85 degrees F and the humidity is above 80 percent, then you’ll want a system that offers more capability and usually, is larger in size.

If you’re sailing in cooler climates and low relative humidity levels, a smaller – and less expensive – air conditioning system should suffice; however, you will still need to make sure that the system you choose is properly sized for the space you need to cool.

As you can see from our list of the best marine air conditioners, prices can vary widely. Not only do you need to take the cost of the unit into consideration, but if you’re going to be hiring someone to install it for you, then you’ll also need to consider the cost of installation.

Typically speaking, the larger and more powerful the unit, and the more features it offers, the more expensive the unit will be. As for installation costs, it really depends on several factors; what type of unit you will be installing, where you will be having it installed on your vessel, the time of year the AC will be installed, and the material and labor costs.

Frequently Asked Questions

While we hope that we provided you with ample information above, we realize that you may still have some questions. To ensure that you are well-informed and to assist you with purchasing the right marine AC to suit your specific needs, below, you’ll find answers to some of the most frequently asked questions that mariners have about marine air conditioners.

Q: Do I really need a marine air conditioner?

A: While there isn’t any law that states you need to have an air conditioner on your boat, if you want to maintain a comfortable and safe environment, then you purchasing and installing a marine air conditioner is certainly a worthwhile investment.

Q: Can I install a marine air conditioner myself?

A: Yes, you can install your own marine air conditioner; however, be forewarned that unless you have ample knowledge and experience, you probably should avoid doing so. It’s far better to invest in the services of a professional than to run the risk of damaging your air conditioning unit or your boat.

Q: Where is the best place to purchase a marine air conditioner?

A: It really depends. There are several retailers that sell these units, including both online and offline retailers. All of the units that are featured on our list can be purchased with ease on Amazon.com, the world’s largest online retailer.

Final Thoughts

In order to get the most out of your boating excursions, comfort and safety are extremely important, which is why installing a marine air conditioner is highly recommended. With the information presented above, you should be able to select a high-quality marine air conditioner that will provide your vessel with reliably cool air.

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John is an experienced journalist and veteran boater. He heads up the content team at BoatingBeast and aims to share his many years experience of the marine world with our readers.

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The best marine air conditioners for your boat

Ranging from 6,000 to 72,000 BTUs – Our marine air conditioners offer an increased cooling capacity and at the same time are more energy efficient.

Self-Contained

Self-contained marine air conditioners are the best solution for boats with up to three cabins. Every cabin is equipped with a self-contained unit fit for the cabin's cooling / heating demand. CTM Self-Contained Marine Air Conditioners are high performance, quiet and compact.

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Split System

Split system marine air conditioners are found in mid-to large-sized vessels, up to 80' in length. Split systems generally have the condensing unit in the engine room and the air handler(s) in the living area. CTM split marine air conditioners require less space in the living area and are quieter because of the separate compressor.

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AC/DC Inverter Systems

The CTM Marine CT-6S 12VDC self-contained marine air conditioner comes with an inverter charger, allowing you to start and run your CTM Marine air conditioner on 12VDC power supply.

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Chiller System

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marine yacht air conditioner

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Marine Air Conditioners

marine yacht air conditioner

Dometic Air Conditioners

ECD16K/1-HV 115v/60 Hz 410A KIT, 207500316, 9108732755

Dometic ECD16 115v 60 Hz - 207500316 / 9108732755

ECD16K/1-HV 230v/60 Hz 410A KIT,  207500017, 9108821279

Dometic ECD16 230v 50/60 Hz - 207500017 / 9108821279

ECD10K/1-HV 115v/60 Hz 410A KIT, 207500310 - 9108732759

Dometic ECD10 115v 60 Hz - 207500310 / 9108732759

ECD10K/1-HV 230v/60 Hz 410A KIT,  207500010 - 9108850337

Dometic ECD10 230v 60 Hz - 207500010 / 9108850337

ECD6K/1-HV 115v/60 Hz DOMETIC 410A KIT, 207500306 - 9108732762

Dometic ECD6 115v 60 Hz - 207500306 / 9108732762

ECD6K/1-HV 230v/60 Hz 410A KIT P/N 207500307 - 9108844174

Dometic ECD6 230v 60 Hz - 207500307 / 9108844174

ECD3.5K/1-HV 115v/60 Hz 134A KIT, 207500001/  9108846353

Dometic ECD3.5 115v 60 Hz - 207500001 / 9108846353

SMXIIAB Display DX Black  SMXIIAB / 9108532972

SMXIIAB Display DX Black SMXIIAB / 9108532972

Sensor - Water Temperature (Glass) 15 FT - SUB-052-X15

DDC Sensor - Water Temperature (Glass) 15 FT - SUB-052-X15

Sensor - Water Temperature (Glass) 10 FT - SUB-052-X10

DDC Sensor - Water Temperature (Glass) 10 FT - SUB-052-X10

Sensor - Water Temperature (Glass)1.5 FT - SUB-052-X00

DDC Sensor - Water Temperature (Glass) 1.5 FT - SUB-052-X00

Sensor - Water Temperature (Glass) - SUB-052-X07

DDC Sensor - Water Temperature (Glass) - SUB-052-X07

Replacement Control Board for Eskimo EI540D 115V/230-60 - 252000131

Replacement Control Board for Eskimo EI540D 115V/230-60 - 252000131

VARCX48E- 2371 DOMETIC  Titanium Variable Capacity Chiller    260175082/ 9610005068

VARCX48E- 2371 DOMETIC Titanium Variable Capacity Chiller 260175082/ 9610005068

Dometic VMD 2.5 TX Series Display 222000262 / 9610002943

Dometic VMD 2.5 TX Series Display 222000262 / 9610002943

DEUX72-4663 230V/60Hz Dometic Emerald Titanium  Units, R410A   201152273/9610004827

DEUX72-4663 230V/60Hz Dometic Emerald Titanium Units, R410A 201152273/9610004827

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DEUX36-4663 230V/60Hz Dometic Emerald Titanium  Units, R410A   201152231/9610004763

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DEUX72-3853  Dometic Emerald Titanium  Units, R410A 201152272/9610004826

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DEUX60-3853  Dometic Emerald Titanium  Units, R410A 201152266/9610004817

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DEUX24-3853 Dometic Emerald Titanium Units, R410A 201152208/9610004726

DEUX36S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251  201152274/9610005040

DEUX36S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152274/9610005040

DEUX30S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251  201152220/9610004752

DEUX30S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152220/9610004752

DEUX24S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251  201152202/9610004721

DEUX24S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152202/9610004721

DEGX16 230V/60Hz Dometic Emerald Units, R410A  201152194/9610005152

DEGX16 230V/60Hz Dometic Emerald Units, R410A 201152194/9610005152

DEGX12 230V/60Hz Dometic Emerald Units, R410A 201152134/9610005146

DEGX12 230V/60Hz Dometic Emerald Units, R410A 201152134/9610005146

DEGX10 230V/60Hz Dometic Emerald Units, R410A 201152114/9610005038

DEGX10 230V/60Hz Dometic Emerald Units, R410A 201152114/9610005038

DEGX8 230V/60Hz Dometic Emerald Units, R410A  201152094/9610005144

DEGX8 230V/60Hz Dometic Emerald Units, R410A 201152094/ 9610005144

DEGX6 230V/60Hz Dometic Emerald Units, R410A  201152074/9610005142

DEGX6 230V/60Hz Dometic Emerald Units, R410A 201152074/9610005142

DEGX16 115V/60Hz Dometic Emerald Units, R410A  201150167/9610005140

DEGX16 115V/60Hz Dometic Emerald Units, R410A 201150167/9610005140

DEGX12 115V/60Hz Dometic Emerald Units, R410A  201150124/9610005138

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DEGX10 115V/60Hz Dometic Emerald Units, R410A 201150104/9610005145

DEGX10 115V/60Hz Dometic Emerald Units, R410A 201150104/9610005145

DEGX8 115V/60Hz DOMETIC Emerald Units, R410A  201150084/9610005143

DEGX8 115V/60Hz DOMETIC Emerald Units, R410A 201150084/9610005143

DEGX6 115V/60Hz Dometic Emerald Units, R410A 201150064/9610005141

DEGX6 115V/60Hz Dometic Emerald Units, R410A 201150064/9610005141

Jabsco Mag Drive Centrifugal Pump - 21GPM - 110V AC - 436981

Jabsco Mag Drive Centrifugal Pump - 21GPM - 110V AC - 436981

Jabsco Mag Drive Centrifugal Pump - 14GPM - 110V AC - 436979

Jabsco Mag Drive Centrifugal Pump - 14GPM - 110V AC - 436979

Jabsco Mag Drive Centrifugal Pump - 11GPM - 110V AC - 436977

Jabsco Mag Drive Centrifugal Pump - 11GPM - 110V AC - 436977

Replacement Control Board for Eskimo EI1000D 230/50-60

Replacement Control Board for Eskimo EI1000D 230/50-60

EasyStart Universal Installation Kit - KIT-364-368-RT2

EasyStart Universal Installation Kit - KIT-364-368-RT2

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - In Metal Box - ASY-360-XM6

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - In Metal Box - ASY-360-XM6

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - ASY-360-XM5

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - ASY-360-XM5

Micro-Air FX-2 Control Board In Metal Box W/ DC Blower Daughterboard - ASY-360-XM4

Micro-Air FX-2 Control Board In Metal Box W/ DC Blower Daughterboard - ASY-360-XM4

Micro-Air FX-2 Control Board In Metal Box - ASY-360-XM3

Micro-Air FX-2 Control Board In Metal Box - ASY-360-XM3

TWCX72  3853 TITAN with DDC Control  410A          260111422 / 9108893826

TWCX72 3853 TITAN with DDC Control 410A 260111422 / 9108893826

Dometic ECD 16 Self-Contained Marine Air Conditioner - 16,000 BTU 115v 60 Hz - 207500316 / 9108732755 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in...

Dometic ECD 16 Self-Contained Marine Air Conditioner - 16,000 BTU  230V 207500017 / 9108821279 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in...

DIRECT EXPANSION SELF CONTAINED KIT 10,000 BTU/H--410A-DIG 115v 60 Hz 207500310 / 9108732759 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in 6,000,...

DIRECT EXPANSION SELF CONTAINED KIT 10,000 BTU/H--410A-DIG 230v 60 Hz - 207500010 / 9108850337 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in 6,000,...

DIRECT EXPANSION SELF CONTAINED KIT 6,000 BTU/H--410A-DIG 115v 60 Hz - 207500306 / 9108732762 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in...

DIRECT EXPANSION SELF CONTAINED KIT 6,000 BTU/H--410A-DIG 230v 60 Hz - 207500307 / 9108844174 Enjoy ideal temperatures on your boat year-round with EnviroComfort (ECD series) self-contained air conditioning kits. Offering cooling or heating in 6,000,...

Self Contained Air Conditioning ECD3.5K/1-HV 115v/60 Hz 134A KIT  

SMXIIAB Display DX Black SMXIIAB / 9108532972   Does not include plastic cover.      This display replaces original Cruisair SMX II Control used in SMX control systems. All displays have the original four pin display cable jack on...

Micro-Air Sensor - Water Temperature 15 FT (Glass) Part Number: SUB-052-X15 Compatibility:  Dometic Passport IO Passport II Passport I ECU MTV-IV DDC MCC Micro-Air FX-1 Micro-Air FX-2 Hydromatic I This thermistor and the 6-pin RJ-12 modular plug...

Micro-Air Sensor - Water Temperature 10 FT (Glass) Part Number: SUB-052-X10 Compatibility:  Dometic Passport IO Passport II Passport I ECU MTV-IV DDC MCC Micro-Air FX-1 Micro-Air FX-2 Hydromatic I This thermistor and the 6-pin RJ-12 modular plug...

Micro-Air Sensor - Water Temperature (Glass) Part Number: SUB-052-X00 Compatibility:  Dometic Passport IO Passport II Passport I ECU MTV-IV DDC MCC Micro-Air FX-1 Micro-Air FX-2 Hydromatic I This thermistor and the 6-pin RJ-12 modular plug is...

Micro-Air Sensor - Water Temperature (Glass) Part Number: SUB-052-X07 Compatibility:  Dometic Passport IO Passport II Passport I ECU MTV-IV DDC MCC Micro-Air FX-1 Micro-Air FX-2 Hydromatic I This thermistor and the 6-pin RJ-12 modular plug is...

Replacement Control Board for Eskimo EI540D 115V/230-60 Part #: 252000131

VARCX48E- 2371 DOMETIC Titanium Variable Capacity Chiller 260175082/ 9610005068 Titanium Variable Capacity Titanium Chiller, 48 000 BTU/h FEATURES: Variable capacity through unit's BTU range as thermal load changes Compact footprint Operates steadily at...

Dometic VMD 2.5 TX Series Display 222000262 / 9610002943 Touch screen thermostat display, 2.4" LCD Intuitively designed touch screen thermostat display with easy-to-understand user menu, featuring a 2.4” LCD screen with vivid color and clarity...

DEUX72-4663 230V/60Hz Dometic Emerald Titanium Units, R410A 201152273/9610004827 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX60-4663 230V/60Hz Dometic Emerald Titanium Units, R410A 201152268/9610004819 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX48-4663 230V/60Hz Dometic Emerald Titanium Units, R410A 201152279/9610005046 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX36-4663 230V/60Hz Dometic Emerald Titanium Units, R410A 201152231/9610004763 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX72-3853 Dometic Emerald Titanium Units, R410A 201152272/9610004826 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX60-3853 Dometic Emerald Titanium Units, R410A 201152266/9610004817 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX48-3853 Dometic Emerald Titanium Units, R410A 201152277/9610005044 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX36-3853 Dometic Emerald Titanium Units, R410A 201152230/9610004762 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX30-3853 Dometic Emerald Titanium Units, R410A 201152224/9610004756 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX24-3853 Dometic Emerald Titanium Units, R410A 201152208/9610004726 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEUX36S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152274/9610005040 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX30S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152220/9610004752 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEUX24S 230V/60Hz Dometic Emerald Titanium Units, R410A 2251 201152202/9610004721 Dometic Emerald Titanium DEUX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all...

DEGX16 230V/60Hz Dometic Emerald Units, R410A 201152194/9610005152 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX12 230V/60Hz Dometic Emerald Units, R410A 201152134/9610005146 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX10 230V/60Hz Dometic Emerald Units, R410A 201152114/9610005038 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX8 230V/60Hz Dometic Emerald Units, R410A 201152094/9610005144 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX6 230V/60Hz Dometic Emerald Units, R410A 201152074/9610005142 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX16 115V/60Hz Dometic Emerald Units, R410A 201150167/9610005140 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX12 115V/60Hz Dometic Emerald Units, R410A 201150124/9610005138 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX10 115V/60Hz Dometic Emerald Units, R410A 201150104/9610005145 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally located...

DEGX8 115V/60Hz DOMETIC Emerald Units, R410A 201150084/9610005143 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

DEGX6 115V/60Hz Dometic Emerald Units, R410A 201150064/9610005141 Dometic Emerald Titanium DEGX This titanium condenser has a square chassis for easy installation, while the reversing valve, pressure switches, and service ports are all centrally...

Mag Drive Centrifugal Pump - 21GPM - 110V ACModel: 436981Designed for applications that require a safe and leak free, continuous duty pump. Great for marine air conditioning circulation, Ice Makers, Hot water circulation, Livewell and Bait tank...

Mag Drive Centrifugal Pump - 14GPM - 110V ACModel: 436979Designed for applications that require a safe and leak free, continuous duty pump. Great for marine air conditioning circulation, Ice Makers, Hot water circulation, Livewell and Bait tank...

Mag Drive Centrifugal Pump - 11GPM - 110V ACModel: 436977Designed for applications that require a safe and leak free, continuous duty pump. Great for marine air conditioning circulation, Ice Makers, Hot water circulation, Livewell and Bait tank...

Product Overview EasyStart Universal Installation KitOur installation kit is designed for RV, Marine, or Residential applications.Installing a EasyStart soft starter is much easier with the EasyStart Universal Installation Kit. It includes all the...

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - In Metal Box - ASY-360-XM6 The Micro-Air FX-2 is the most advanced cabin control board in the marine HVAC industry.  It works on air conditioning and heat, controls on-board humidity, and...

Micro-Air FX-2 Control Board W/ EasyStart Daughterboard - ASY-360-XM5 The Micro-Air FX-2 is the most advanced cabin control board in the marine HVAC industry.  It works on air conditioning and heat, controls on-board humidity, and interfaces with...

Micro-Air FX-2 Control Board In Metal Box W/ DC Blower Daughterboard - ASY-360-XM4 The Micro-Air FX-2 is the most advanced cabin control board in the marine HVAC industry.  It works on air conditioning and heat, controls on-board humidity, and...

Micro-Air FX-2 Control Board In Metal Box - ASY-360-XM3 The Micro-Air FX-2 is the most advanced cabin control board in the marine HVAC industry.  It works on air conditioning and heat, controls on-board humidity, and interfaces with our handsome,...

TWCX72 3853 TITAN with DDC Control 410A 260111422 / 9108893826 Dometic TWCX with Digital Diagnostic Control (DDC)is a high-performance, cost effective tempering unit. The reverse-cycle TWCX cools and heats, and is available in an expanded product range...

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Best Marine Air Conditioner 2021

We all purchase our boat with an idealistic idea of cruising through their harbor, across the lake, or going on a deep-sea adventure. The wind is blowing, the fish are jumping, the drinks are cold, and your engines are running smooth and clean! 

But it can get hot on the water! While it’s easy to picture those 75-degree days with blowing wind and low humidity, nine times out of ten the weather isn’t that perfect. 

Frequently, you’ll be cruising through a no-wake zone on a 101-degree day or sitting in one spot fishing for extended periods of time. In times like these, you’ll wish you had some ice-cold air conditioning.

Already have a boat with no A/C?

That’s not a problem! Many can be retrofitted with a small to large-sized marine air conditioning unit.

You’ll often need an HVAC technician to install these units, especially if you’re not replacing an existing unit. But much of the repairs and upkeep (not related to the freon system) are simple and easy for the average boat owner to figure out! 

Here we will look at several of the best marine air conditioner units on the market. We also include a buyer’s guide to help give context to your choice.

Now, let’s check out your options! 

Best Marine Air Conditioner

Our top pick: marinaire 16000 btu/h self contained marine air conditioner, key points at a glance.

  • Built-in pressurized gauges
  • Compressor acoustic cover
  • Powerful low start-up current
  • Secure D-Smart Control System
  • Manageable health monitoring air conditioner and diagnostic options
  • Quiet compressor compartment
  • Variety of small size options.
  • R410A Refrigerant Environment friendly
  • Powerful high heating and cooling efficiency for low energy consumption

The Details

If you’re looking for the ultimate marine air conditioning unit, then look no further! MarinAire is one of the top marine HVAC manufacturers on the market. They have a full line up of products that share a similar design and varying levels of size and power. You will find that we’ve included several of MarinAire’s other top-selling AC units in this article as well.

They’re just that good.

According to most experts, a 16,000 BTU AC unit is enough to cool 850-square-feet. This means this machine is strong enough to cool most boats with a fairly large cabin. For perspective, 850-square-feet is about the size of a studio apartment.

The MarinAire 16k Marine A/C unit features a blower that can be rotated 360-degrees so that you can position it wherever is most convenient. The casing is made out of a durable polymer casing combined with high-quality aluminum and stainless steel to ensure long-lasting strength and to protect it from corrosive salt air and water.

One of the things that we like the best about this particular MarinAire unit is that the compressor features an acoustic cover designed to limit the annoying noise that cheaper units make whenever they’re turned on. This will help you maintain a modern, upscale design and appearance.

The lightweight construction of the MarinAire 16k Marine Air Conditioner also makes it a great low-profile choice. It won’t weigh any more than your marine cooler packed full of ice and beer (and it’ll probably take up less space).

Their 16k unit is a great choice for large-sized sailboats and yachts as it can easily cool one floor at a time. If you are fortunate enough to have a double-decker yacht, then you may want to consider adding one of these units on every floor so that all of your guests can be comfortable.

  • Built-in pressure gauges, 360 Degree Rotatable...
  • SS316 stainless steel drain pan
  • Compressor sound cover
  • Low start up current
  • D-Smart Control System

Our Runner Up: DOMETIC EnviroComfort ECD16K-HV AC Retrofit Kit

  • Reversible cycle heating
  • Easy and simple install
  • Great for new or retrofit installations
  • Advance digital control
  • Led display and strong mounting bezel.
  • High-Velocity blower
  • Internal motors for a compact installation
  • Installation flexibility, horizontally/ vertically
  • Durable stainless steel drain pan
  • Easy removable pre-installed return air filter.

Dometic Environmental’s EnviroComfort 16k BTU Retrofit Kit is a powerful competitor for MarinAire’s 16k air conditioning unit. They both share a similar high-efficiency build that’s designed to take full advantage of the surrounding atmosphere and climate to minimize power draw and overall fuel consumption. 

Both are lightweight and well-built with soaring reviews, but there are a couple of key differences that resulted in the Dometic unit being ranked second.

The first is that Dometic’s 16k unit does not have a 360-degree rotating head, meaning that you’ll have to put extra thought into where and how you install it.

Dometic also doesn’t have the acoustic sound dampening or protective polymer casing to protect the fragile inner parts. It’s also a bit more expensive.

However, with Dometic, you’re paying for more than just an intuitive, protective design- you’re paying for the history and impeccable quality associated with these units. In fact, Dometic is the child-company of Eltrolux- the engineers of the world’s first refrigerator in the early 1920s. Dometic itself has been making refrigeration and cooling units since the 1950s. We love their electric coolers .

These units are designed and manufactured in Switzerland, and if you know anything about Swiss engineering, you’ll know that it’s far higher quality than most of the Chinese-made products on the market.

So, while this Dometic unit may not be as stylish or intuitively-designed as the MarinAire, the quality of parts, warranty, and functionality are second to none.

  • 207500316, DME207500316

Best Budget: MarinAire 11000 Btu/h Self Contained Marine Air Conditioner

  • Toshiba R410A long-lasting, high-efficiency compressor
  • Heavy-duty high static centrifugal blower
  • Built-in high pressure and lower pressure gauges
  • 360 Degree Rotatable Blower
  • Accessible built-in pressure gauges
  • Monitoring air conditioner and health diagnostics
  • 60% noise level sound-reducing cover.
  • Small, compact size for easy installation
  • Environmentally friendly R410A refrigerant

If you’re on a budget or you’re just looking for a smaller unit designed for a smaller boat, then MarinAire’s 11,000 BTU self-contained AC unit is perfect. At first glance, it’s very similar to the MarinAire 16k (our top pick). This unit is basically the 16k’s younger brother.

The 11k model features a high-quality, durable, and lightweight design. It utilizes the latest refrigeration technology and uses R410A refrigerant fluid instead of traditional freon. While this fluid can be more expensive than freon, it’s more energy-efficient, and you’ll need less of it.

Toshiba manufactures all of MarinAire’s compressors, and they’re known for being some of the best on the market. They can run for years without any problems. Toshiba is known for its quality control and attention to detail.

Although this 11k unit is slightly less noisy than the more powerful 16k unit, it still features the intuitive acoustic sound cover to prevent distracting noises from ruining the perfect ambiance of the waves and wind.

The overall dimensions are similar, but the MarinAire 11k is a little lighter and is perfect for small to mid-sized cabins. According to BTU charts, 11k is perfect for a 500-square-foot room.

This unit is still a good choice for those with smaller cabins that may not feature the same thermal insulation as your home. When it comes to air conditioning, sometimes overkill isn’t always an issue- it just means that you’ll be able to cool more space quicker.

  • R410A High Efficiency Compressor
  • High Static Centrifugal Blower
  • Built-in High Pressure and Low Pressure Gauges
  • Compressor Sound Cover

Best Portable Marine AC: Transcool Portable Evaporative Air Cooler

  • Portable personal air cooler conditioner spot AC
  • Multi-purpose: RV, Boat Camper, Camping, Aircraft, Golf Cart, Air, Home, Office
  • Weighs 7 lbs, Dimension: 13”X 15” X 9”
  • Semi baffled for use in moving vehicles or boats
  • Can be powered by a 12V car charger, 20V power supply, or 110V home cords.
  • Pet- Friendly design.
  • Energy-efficient and Eco-friendly
  • No installation required.
  • Can be used in still or moving environments without damaging any internal circuits.
  • Quick and adjustable fan speed

These marine air conditioners are great for those with bigger boats, but what about the small 2-person sailboat, skiff, or half-cabin? Most of the time, smaller boats don’t have the necessary space for a large air conditioning unit or may not have a secure place to house the unit and protect it from outside elements.

What about weight capacity? Many smaller boats have weight limits of 800 to 1,100 pounds, and a heavy marine air conditioner can easily take up 100 to 150 pounds of valuable space.

This is where Transcool’s Portable Evaporative Air Cooler is a perfect choice. This particular unit almost made our “Budget Choice” due to how affordable it is, but we decided that it was worthy of a category of its own.

This small portable A/C unit can be used anywhere and connects to your standard 12-Volt car charger port or a standard 110-Volt house plug. This means that you can either plug it into an existing charger port on your boat or use one of those external power banks with the built-in plugs.

Either way, it’ll use minimal power thanks to its high-efficiency design.

While this small unit won’t be able to cool an entire room, it’s great for a tiny cabin or just to prop on your dashboard to give you some cool air. It features three vents that move 360-degrees in all directions so that you can share the airflow (or direct it all to yourself!).

Last but not least, this small, versatile air conditioner only weighs 7-pounds, so you can take it almost anywhere you go!

Best Heavy Duty Marine AC: Webasto AC Retrofit Unit

  • Unibody welded construction for full capacity and extreme strength
  • Long-lasting anodized evaporator
  • Accessible removable air filter
  • heavy-duty 3-speed high-velocity rotable blower
  • 360 degree rotation for maximum comfort
  • Easy installation
  • Minimal sound compressor
  • Dimensions: 32″ x 50″ x 30″ 

We almost selected Webasto’s 16,000 BTU marine air conditioning unit as our first choice due to its high-quality design, but we figured that it was better to list it as our “Heavy-Duty” choice.

It’s a good bit heavier than both the MarinAire 16k unit and the Dometic 16k AC unit. This means that it may be a bit more of a pain to install. But once it is you won’t have to worry about it going anywhere.

The dimensions are 32” x 50” x 30”, which makes it almost double the size of the MarinAire. It also weighs 120-pounds thanks to the high-quality aluminum and stainless-steel build featuring uni-body welds to ensure strength.

One thing that we really appreciate about Webasto’s 16k marine air conditioner, though, is its fully-anodized coating. One thing about the ocean that always remains consistent is its corrosive qualities. Saltwater will eventually eat through most metals and cause them to rust or lose strength over time.

This is why many of the other marine A/C units we’ve reviewed feature outer casings to limit exposure to salt air.

Anodizing is a finishing process that involves electrically binding a decorative coat to the surface of metals. Apart from giving it a clean, modern appearance, an anodized coating is also 100% corrosion-resistant. So, while the Webasto may not feature a bulky outer protective case, it makes up for it by anodizing the entire unit.

Given that this unit is capable of producing 16,000 BTUs per hour, it’s an excellent choice for large yachts, sailboats, and even commercial fishing boats! The heavy-duty, durable design is built to withstand rough seas, high winds, and corrosive salt air. If you’re looking for a marine air conditioner that’s going to last you a long time- this is it!

  • Unibody welded construction for superior strength
  • Anodized evaporator
  • Multi-capillary ports
  • Hi-velocity 3-speed, 360 Degree rotatable blower
  • Removable air filter

Best Marine Air Conditioner Buyer’s Guide

Who should buy a marine air conditioner.

Not every boat owner needs a marine air conditioner. Salty old fishermen will likely be the first people to tell you how much they don’t need to waste another dollar on their “money pit.” 

However, this is an entirely subjective subject and has a lot to do with the climate of wherever you’re located. If you’re somewhere like North Carolina or Virginia where the weather is pleasant year-round, then you might be fine with a smaller A/C unit or no unit at all.

On the other hand, if you live somewhere like South Florida, the Gulf of Mexico, or other southern states, then you’ll know just how hot the summers can get. Having a reliable marine air conditioning unit onboard is one of the best ways to ensure that you’ll never have to cancel your weekend plans due to an unexpected heat wave! 

Important Features to Consider 

Here are some important features to consider while you’re comparing marine air conditioners. 

Weight and Dimensions

There’s nothing quite as annoying as shelling out thousands for a high-end marine A/C unit and lugging the heavy thing to your boat just to find out that it’s too big (or small ) for your watercraft. 

Before you order, make sure that you know your boat’s measurements. From how many square-feet the cabin is and the boat’s weight limit, to finding a space for your unit to fit in, make sure that you do your homework so you don’t have to ship back and replace a 100-pound + A/C unit. 

How Much Power The A/C Unit Requires

A/C units that put out more BTUs per hour usually require significantly more power. Keep this in mind when you’re looking at your options and make sure that you do your homework to see if your boat’s existing power supply can handle the extra load.

In some cases, you may need to upgrade your wiring, batteries, or power supply. 

Frequently Asked Questions

How much maintenance do marine air conditioners need.

Most professionals recommend regular maintenance every 5 years on the unit itself. That being said, there are multiple other considerations with marine air conditioners that make it different from your typical home system.

Since the unit sucks air in from under the boat, it’s very common for these systems to get clogged and stop working. You’ll need to make sure that you regularly check your filters, pipes, and pumps to make sure that dirt, debris, and small marine life aren’t messing with your system. 

How Long Do Marine Air Conditioners Last?

Most marine air conditioners are built to last 15 to 20 years as long as they’re well-maintained. This also depends on how often the unit is used and on the environment that the system is exposed to every day.

Other Products We Looked At:

Marinaire 14000 btu/h self contained marine air conditioner.

Another reason for this is that the pricing isn’t that different from the 16k BTU unit. When you’re already spending upwards of $1,500 to $2,000 on an expensive marine A/C unit, why skimp and save less than $100 and get a unit that’s 15% less strong? Then again- it all comes down to your personal taste, budget, and preferences.

Quality-wise, though, the MarinAire 14k marine air conditioner is just as durable and reliable as its larger 16k and smaller 11k siblings. It features the same sturdy polymer case to protect inner components, the 360-degree rotating blower, accurate pressure gauges, compressor sound-dampener, and low-profile.

It’s basically the same dimensions as the 16k unit, but it weighs slightly less. This 14k unit is a bit better for energy efficiency and needs less power to start up and run than the 16k, which also makes it a decent choice for those with strained or limited power systems who need to make the most of their boat’s limited batteries and power supply.

  • Heavy-duty built-in pressure gauges with a flexible 360 degree rotatable power
  • Light-weight, durable, SS316 stainless steel drain pan
  • Efficient low start-up current

SEAFLO Marine Air Conditioning/Seawater Circulation AC Pump 250GPH

One of the things that most first-time marine air conditioner buyers forget about is the pumps. The air conditioning units themselves rarely, if ever, come with pumps included, which means that you’ll need to budget out an extra few hundred bucks to buy one of these.

Marine air conditioners work differently than your typical home A/C unit. Instead of cooling the unit with air, marine A/C units pump a steady stream of seawater from below the hull into the A/C unit to aid in the temperature differentiation process that cools the air. Most systems circulate hundreds of gallons every hour!

SEAFLO is one of the top-rated pumps on the market and is rated to work with A/C units up to 12,000 BTUs. While it’s a bit too small to work with our 16k BTU top choices, it’s perfect for the 11k MarinAire “Budget Choice.” If you’re looking for a pump that’s compatible with the larger 14k and 16k units, then SEAFLO also manufactures those as well.

SEAFLO’s unique design utilizes a magnetically-driven pump that optimizes efficiency, uses less power, and ensures that your A/C unit will never go dry (a very important consideration).

  • Reliable SEAFLO marine air conditioning circulation pump
  • Compatible with most systems up to 12,000 BTU
  • Completely submersible, sturdy seal-less centrifugal magnetically driven pump for optimized efficiency.

There you have it! The conclusive list of some of the top-rated marine air conditioners on the market. From backpack-sized portables to large heavy-duty units, we did our best to include a wide range of options that are applicable to every boater. 

While we’ve done our best to categorize and simplify these untis, keep in mind that these can be complicated systems and often require a good bit of time and money to install. 

That being said, there’s nothing that compares to having the cooling creature comfort of cold-blowing A/C on a scorching hot day while also being able to cast out a couple of lines and have a few cold ones!

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Russia Hammers Ukraine's Power Grid Again and Kyiv's Drones Target More Enemy Oil Depots

A seller shines a flashlight during a power outage in an underground shopping mall in central Kyiv

KYIV, Ukraine — Russia resumed its aerial pounding of Ukraine’s power grid and Kyiv’s forces again targeted Russian oil facilities with cross-border drone strikes, seeking to curb each other's ability to fight in a war that is now in its third year, officials said Thursday.

With no major changes reported along the 1,000-kilometer (600-mile) front line, where a recent push by the Kremlin’s forces in eastern and northeastern Ukraine has made only incremental gains, both sides in the war have taken aim at distant infrastructure targets.

In its seventh major attack on Ukrainian power plants since Moscow intensified energy infrastructure attacks three months ago, Russia fired nine missiles and 27 Shahed drones at energy facilities and critical infrastructure in central and eastern Ukraine, the Ukrainian air force said. Air defenses intercepted all the drones and five cruise missiles, it said.

The attack hit power structures in the Donetsk, Dnipropetrovsk, Kyiv and Vinnytsia regions of Ukraine, causing “extensive damage,” according to national power company Ukrenergo. Seven workers were injured, it said.

Ukrenergo announced extended blackouts across the country despite electricity imports and help with emergency supplies from European countries.

Private energy company DTEK said one of its power plants was hit in the overnight attack but did not specify its location. Three company employees were injured and the plant’s equipment was severely damaged, DTEK said on social media.

Among the most damaging recent strikes on Ukraine’s energy supply were an April barrage that damaged Kyiv’s largest thermal power plant and a massive attack on May 8 that targeted power generation and transmission facilities in several regions.

Rolling blackouts have affected Ukrainian households and industry.

The Russian Defense Ministry said in a statement that the strikes aimed at Ukrainian energy facilities that are needed to produce weapons and military equipment. Ukraine, which is heavily dependent on Western military aid, is developing a small but fast-growing defense industry .

In Russia, meanwhile, authorities in two regions reported fires at oil storage depots after drone attacks, two days after a Ukrainian strike started a huge blaze at another refinery.

Ukraine has in recent months stepped up aerial assaults on Russian soil, targeting refineries and oil terminals in an effort to disrupt the Kremlin’s war machine.

The overnight drone attacks were carried out by Ukraine’s Security Service, known by its acronym SBU, a Kyiv security official told The Associated Press.

The attacks triggered fires at the facilities, which processed and stored crude oil and its derivatives used to supply the Russian army, the official said.

The official spoke on condition of anonymity because he was not authorized to release the information.

The head of Russia’s Adygea region, Murat Kumpilov, said a Ukrainian drone attack sparked a fire at an oil depot in the town of Enem that was later extinguished.

The governor of the Tambov region, Maxim Yegorov, said an oil reservoir went ablaze at an oil depot there.

Krasnodar region Gov. Veniamin Kondratyev said a drone hit a private house in the town of Slavyansk, killing a woman.

Russia’s Defense Ministry said air defenses downed 15 Ukrainian drones over three regions but didn’t mention any damage. The ministry said it has shot down more than 26,000 Ukrainian drones since the start of the war.

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