Top 10 Quietest Window Air Conditioners 2020 (Reviews & Buying Guide)

An air conditioner is one of the best upgrades you could make to any home. These units offer you functionality and they enable you to easily cool down your home without too much effort. Since they cool the home much faster, many brands have jumped onto the bandwagon and they have developed some of the best AC units you could only dream of.

Best for medium room
  • 2016 energy star with 12.1 energy efficient ratio
  • Super flexible with 3 cooling speeds
  • Suitable for rooms up to 340 square feet.
Best Budget Pick
  • 3-in-1 functionality with AC, fan only, and dehumidification modes
  • Fast cooling and ecosave technology to maintain efficiency
  • 24 hour timer, sleep mode, and LED display
Koldfront WAC12001W
Best for large rooms
Koldfront WAC12001W
  • 4-way air direction louvers for maximum coverage
  • Dehumidifying function, sleep mode, and energy saving features
  • Area of coverage for cooling is 550 square feet
Best Mini
  • Quiet operation and compact design
  • Ideal to cool room up to 150 square feet
  • Energy efficiency ratio of 11.0 to save energy and money
Best Energy saving
  • Modern stylish design with 3-in-1 functions
  • Energy star rated for better environment and saves money
  • 2 separate horizontal louvers for better air flow

In this article, we look at the quiet air conditioning units that should cool your home without that frequent noise. I have tested numerous models that make life a little easier. These models won’t force you to break the bank either and with so much legwork being done with the research, you can be guaranteed to have the best models.

Top Pick


Best Quiet Air Conditioner

Best quiet air conditioner with energy efficiency ratio of 12.1 and cools up to 340 sq. ft. easily. Dehumidifies up to 2.2 pints per hour and comes with remote control. 115V electrical wall outlet is required and it has 3 cooling speed options.

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Best & Quietest Window Air Conditioners To Choose From

With so many models currently available on the market today, it is really hard for most people to find the right version for their homes. However, these models have been scrutinized and we also tested them quite rigorously in numerous homes. That being said, here are the best options that we have selected from all the testing:

LG LW1216ER Window-Mounted AIR Conditioner –Best For Medium Rooms

When looking for a window AC unit, you should try to look for reputable brands. The quality of the brand makes a massive difference and LG is a tech giant. The LG LW1216ER Window-Mounted Air Conditioner is stylish and it has a massive power output of 12,000 BTU. The 4-way directional louvers also mean the unit will cover the whole room.

The unit can be controlled via the remote that is provided. It also features 3 different speed settings that enables you to control the temperature with much more ease. An auto shut-off feature also means the unit will shut down during a power failure before automatically restarting. With the slide-out filter, you don’t need to worry about the cleaning too much.

The price is actually affordable and this means it is great for those who need to buy something immediately. It might be a little heavy and need some expert installation, but once it has been efficiently installed, the unit should work well. We would definitely recommend it for efficiency and if you are looking to conserve energy.


  • Energy efficient
  • Versatile control option
  • Includes a remote control
  • Durable design


  • Heavy

Koldfront WAC12001W 12,000 BTU 208/230V Heat/CoolBest For Large Rooms

Last but certainly not least, we have one of my all time favorite models. The Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool Window Air Conditioner is powerful as you can see with the power output. It covers a massive room of up to 550 square feet and includes heating functions for the colder months of the year.

The unit might be a little large for many smaller windows, but the 4 operations modes will make it worth all of the trouble you go through with the installation. Once again, the energy saver mode is a great advantage for your utilities, while the remote control allows you to control the AC unit from a distance with real ease.

Unfortunately, these features are rather expensive and the unit is relatively large to install on your own. You will need some professional help when doing the installation process. Additionally, every buyer will receive a standard 2-year warranty that could potentially make all the difference when you have problems. I would recommend this unit for those warehouse units.


  • Covers an area of 550 square feet
  • Includes the heating function
  • Energy Saver mode added
  • Limited 2-year warranty


  • Heavy to install
  • A little expensive

Koldfront WAC12002WCO 12,000 BTU 115V – Best Energy Conserving Model

If you are looking for something with the least amount of sound output, you need to look at the modern designs. The Koldfront WAC12002WCO 12,000 BTU 115V Window Air Conditioner is a new model and it has been energy star rated. The cooling capacity of 12,000 BTU’s means the cooling system works efficiently for larger rooms.

Knowing when the filter needs cleaning can be frustrating for many people. Fortunately, this model features an LED alert window to indicate when it needs to be cleaned. It also features 3 different cooling speeds with an easy-to-operate control panel. Having the sleep mode added also means you will be conserving a little bit of extra energy.

The unit is slightly more expensive than some of the others we have reviewed. However, the energy conservation feature should repay you for the Ac unit in some time. The installation process can be a little tricky, but I really like the stylish design. If you are in need of a new AC unit that could help you cool your 550 square feet room, this is a great option.


  • Decent power output
  • Stylish design
  • Includes multiple tech features
  • Energy star rated


  • A little expensive

Friedrich EP18G33B Window Air Conditioner

Friedrich is a German brand with a massive reputation in the cooling industry. It is highly rated and designed from top quality durable materials. It is versatile and can be installed in your window or on the wall, depending on where you have the most amount of space available in your home.

Since it covers up to 1000 square feet, it works well for apartments and even warehouse areas. The auto air louvers are really functional and the continuously sweep the entire area, which means the unit can be used for a large area. As we have already mentioned, it features Ultra-Quiet technology, which means the unit can work well when you are in a noise-restricted area.

Another excellent feature is the power cord that is really flexible. This means it can be used on either side of the AC unit. Since it has an energy efficient design, you will be saving a couple of bucks on your electricity bill as well. It is also worth noting that remote control has been included, which means you can operate the system from a distance.

This specific model has a power output of 18,000 BTU’s, making it one of the more expensive models on the market today. However, you can find a smaller unit if you do not need to cover this big of an area for cooling. Nevertheless, we definitely recommend it for the value it offers. You will also be protected by the 4-year limited warranty.


  • Really stylish design
  • Massive power output
  • 4-year limited warranty
  • Remote control operated


  • Expensive

Kenmore Smart 04277157 Room Air Conditioner – Runner-Up

Kenmore is one of these stylish brands. Most of their AC units actually look impressive, which means they could spice up your home. The Kenmore Smart 04277157 Room is a smooth-running AC unit and it features an impeccable design that is simple and easy to control when you need to use it.

The model features wireless connectivity and this means it can be connected via the app to your mobile device. No need to worry about remote controls lying around ever again. The massive 15,000 BTU power output can easily cool a room with a size of up to 850n square feet. The cooling process all happens within a few minutes of turning on the device.

The unit has been Energy Star Certified, which means you can conserve a little bit of power on your electric bill. It also features different speed settings that make life a little easier when you need to find the right temperature. I do believe the installation process is a little time-taking and you should consider having an expert assist you to ensure you get the best value.

Kenmore is a tech brand and their products are a little expensive. This AC unit is one of the more expensive units, but they also have numerous different sizes that range in price. The warranty is something we could not find, but it is also really important to consider and we definitely recommend that you keep this mind when looking up this AC unit.


  • Stylish and compact design
  • Connects to your mobile device
  • Energy Star Certified
  • 15,000 BTU power output
  • Covers 850 sq. feet


  • The unit is expensive

Kenmore Smart 04277107 Room Air Conditioner – Best “Smart” AC Unit

Kenmore is widely known for their tech-savvy designs and the high-end features that bring the AC unit into the 21st century. The unit is extremely stylish and features an overall capacity of 10,000 BTU. It can cover a large room with a size of up to 450 square feet when needed. A 6-foot cord length is perfect for those who have large spacious rooms.

This unit also features a remote control, but since it is compatible with the Amazon Alexa device, it is much easier for you to control wirelessly. Different speed settings can be tuned and many people choose to have it activated before they reach home. Like most of the other units, this one is Energy Star certified and should work well when you need to conserve power.

Unfortunately, it is a little expensive and the price is something many people could not like. However, tech-savvy products will take us into the future and simplify your busy life. This unit comes with an industry leading warranty and fits most window sizes. We would definitely recommend it for your home and your office.


  • Works with the Amazon Alexa
  • Stylish design
  • Wireless connectivity included
  • Energy Star certified


  • Really expensive

Emerson Quiet Kool EARC12RE1 12,000 BTU 115V– Most Stylish AC Unit

The Emerson Quiet Kool EARC12RE1 12,000 BTU 115V Window Air Conditioner is a great option if you are looking for the simplest version to control. It is not only stylish, but an LED pad makes it much easier to keep track of the temperatures. With a 12,000 BTU power source, it covers a massive room of around 550 square feet.

One of the stands out features is the 8-way directional louvers that work extremely well when it comes to directing the air flow. The 55 dBA decibel rating is great for your low-noise rooms and it comes with a 24-hour timer that helps a lot for when you are not home. Once again, this model includes the 2017 Energy Star rating on the label.

While the brand might not be one of the most recognized, this is still an excellent option for anyone who needs a new AC unit. It will save you a couple of bucks at the end of the month on your utilities, while also restarting automatically when you have a power failure. This is an excellent option if you are looking to promote the best possible airflow.


  • Energy Star Rated
  • Extremely quiet
  • Massive LED display
  • 8-way directional louvers


  • A little expensive

Costway Cold Air Conditioner – Best Mini AC Unit

Occasionally we don’t have massive windows for these air conditioner units. In this case, you will need something smaller like the Costway Cold Air Conditioner. It has a power output of 6,000 BTU and this can cover an area of 140 square feet with ease. The unit also claims to remove 1.4 pints of moisture from the air as part of the dehumidification process.

This is one of the lighter units, which also means that it is actually quite easy to install by yourself. The remote control is really effective and should allow you to control the temperatures from a distance when lazy. Lastly, I found the air filter to be one of the best when it comes to removing most of the bacteria in the air when you have a few dirt spots.

The price is affordable and it can be afforded by most people looking for a brand new unit. The warranty is state of the art, but the smaller size will be what makes all of the difference. It is considered a mini AC unit and this is why we would actually recommend it for your smaller apartment and you no longer need to suffer from the excessive heat.


  • Really affordable
  • Compact and lightweight
  • Easy to control and stylish
  • Great dehumidification


  • Only covers 140 square feet

GE AEM08LX 19″ Window Air Conditioner – Compact Window AC Unit

The GE AEM08LX 19″ Window Air Conditioner is one of my favorite options that anyone could choose on the market today. It has a massive cooling capacity of 8,000 BTU packed into this small unit, with the design looking like something from the future. It is also rather lightweight, making it much easier for you to install if you feel the need to do so.

The unit features a remote control like most of the other units we have selected and it has been Energy Star Certified to ensure that you can actually save a couple of bucks. I like the smaller dimensions, which means the unit will be really effective for your smaller windows. As mentioned, it is also lightweight, making it much easier to install.

The price is rather reasonable for the average user and should ensure that you can afford one for your home. It comes with a decent warranty and since it conserves your energy, the unit will be excellent for your utility bills at the end of the month. I would recommend this as a great décor upgrade that also improves your home in the summer.


  • Energy Star Certified
  • Reasonable price
  • Compact and lightweight to install
  • 8,000 BTU power output


  • Might be a little loud compared to some of the others

Most Important Features To Consider When Choosing The Best AC Unit

Now that you have seen all of the top class AC units we have selected, you should also be aware of how we picked them. These features were the most commonly used for selecting the top options on the market today. If you do not like any of the top models we selected, you should try to keep these features in mind when buying a new AC unit.

  • Sizing:

The AC unit should actually fit over the window to ensure it works. For this, you will need to make sure the unit is effectively sized for your window. By measuring your window and the AC unit specs, you should be able to match your window. It is also worth noting that most of these models have different-sized units that you could choose from.

  • Power Output:

BTU or British Thermal Units are used to measure the power output of the AC unit. This power capacity does not mean it will make the room cooler than a lesser model, but rather ensure that the unit can cover a larger room. Depending on the size of your current room, you need to keep the power capacity in mind to get the best value for your money.

You should keep in mind that the power capacity has a massive effect on the price of the unit. This also affects the amount of energy that is being used. If the unit is more powerful, it could cover a larger room, but the levees might go up quite sharply at the end of the month.

  • Functionality:

I believe that all these units should be fairly easy to operate. If the unit is too hard to operate, not everyone will be able to. The remote control is a standard addition nowadays and makes a massive difference. However, brands like Kenmore also include wireless connectivity, which means the unit can be operated when you are not even home.

  • Energy Saver:

As we have mentioned, the Energy Saver feature can make a massive different o your utilities, but not all of the models have been Energy Star rated. This is one of the top features to consider, especially when you are strapped to a tight budget and looking to save a couple of bucks. I would rather pay extra for this feature and save in the longer run.

  • Design:

Décor and aesthetics are always important when it comes to our homes and offices. You need to look at the design and ensure that it does actually match your home or office. Once again, brands like Kenmore are the best at providing excellent aesthetics and they have top quality models.  Additionally, having directional louvers are really important to ensure that you do reach the entirety of the room.

  • Air Filter:

The days of breathing clean and fresh air are long gone. This is until you have a top quality air filter to help you clean the air sufficiently. Having an air filter is only the first part you need to look at. Next, you also need to look at the way you will need to clean these filters. They might not always be on the easiest side of the cleaning train.

  • Warranty:

Lastly, you should look at the warranty and having a warranty is one of the best ways to ensure you are protected. The industry standard of two years is really important and if you have a better warranty on the parts, it is even better. We do recommend looking for a decent warranty to ensure you get value for your hard-earned cash.


A quiet AC unit is really important when it comes to cooling your office and also have a peaceful night of sleep. These models are some of the quietest models that offer great value for your money. We would recommend all of them for the value. Now that you have seen our collection, let us know which of them you would like to have in the comment section below.

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