10 Quietest Wall Air Conditioners for Apartments and Rooms

SilentHomeHub is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

Silent Home Hub Quietest Wall Air Conditioners

An air conditioner unit is an important appliance, whether in a home or office setting. It lets you lounge comfortably around the house and also keeps work computers from overheating at work.

But a common issue with room air conditioners is the sound that they make. Most of them are loud when turned on. You’ll notice this more with older models too.

It’s a good thing that we found the top 10 Quietest Wall Air Conditioners that will allow you to work and lounge around in peace.

Most Affordable
Friedrich CP08G10B Window Wall Air Conditioner
Best Overall
Emerson Quiet Kool EATH14RD2 Window Wall Air Conditioner
Best for Small Spaces
Koldfront WTC8002WCO Window Wall Air Conditioner
Table of Contents

Top 10 Quietest Wall Air Conditioners

After testing different wall AC models, these quietest wall air conditioners are the best ones to cool your room effectively without any loud noises.

1. Emerson Quiet Kool EATH14RD2 Window Wall Air Conditioner

Best Overall

Emerson Quiet Kool EATH14RD2 Window Wall Air Conditioner 2

The quietest wall air conditioner unit we recommend is this one from Emerson Quiet Kool. It has the best overall features out of all the other units we scoured through.

Its cooling power is at 14,000 BTU, which is the highest out of all the units listed in this article. That means that it can easily cool down a room with a size of about 700 sq ft. Alternatively, this wall and window unit also has strong heating power at 10,600 BTU which you can use during colder months.

And as for the noise level, this wall air conditioner unit only emits a maximum of 57 decibels when in use. It can easily go unnoticed when turned on in a medium to large-sized room.

You’ll also find that this has 2 split air exhaust vents that make it easier to direct the flow of the air. There are three fan speeds you can choose from as well, depending on your preference.

This unit is also user-friendly since it comes with a remote control that will help you toggle the switches. You can set it to turn off after a certain amount of time using the built-in sleep timer too.

This room air conditioner unit can also be connected to your Wi-Fi via an app. There, you can also adjust the controls and temperature settings. You can even set it to Intelligent Sleep Mode so that it automatically adjusts the temperature and speed as you sleep.


  • Strong heating and cooling power
  • Emits low noise
  • Adjustable air vents and fan speeds
  • Programmable sleep timer and modes
  • Wi-Fi-compatible


  • Hard to install without professional help

2. Friedrich CP08G10B Window Wall Air Conditioner

Most Affordable

Friedrich CP08G10B Window Wall Air Conditioner 2

If money is tight but you still want something of high quality, then this wall air conditioner unit from Friedrich is the one we recommend. Apart from being one of the quietest choices, it’s also one of the most affordable units.

In terms of cooling power, this unit has 8,000 BTU and that’s what allows it to have a lower price point. Though it also means that it’s significantly weaker than conditioners with higher BTUs, the good thing about this unit is it’s more energy-efficient instead. It’s perfect for cooling down a small room while keeping noise level low too.

This wall air conditioner unit has louvers that automatically oscillate when in use. You can also adjust the swing settings and fan speeds.

Other features of this wall air conditioner unit include a 24-hour timer and an energy-saving mode. It also auto-restarts in case of a power interruption so you won’t have to reset the temperature or speed all over again.

Many users also like that the design of this unit looks very minimal because you only see a digital display on the unit itself. Unlike other units, the only way to control this wall air conditioner is through the remote control that comes with it.

Additionally, this dehumidifies at a rate of 2.2 pints per hour.


  • Affordable price
  • Energy-efficient
  • Creates minimal noise
  • Adjustable temperature, timer, and speed


  • Hard to install on your own
  • People think the customer service is slow to respond

3. Koldfront WTC8002WCO Window Wall Air Conditioner

Best for Small Spaces

Koldfront WTC8002WCO Window Wall Air Conditioner 2

For those who need a good wall air conditioner unit for a small room, we recommend this one from Koldfront.

Similar to the Friedrich wall air conditioner unit, it has a cooling power of 8,000 BTU. This is perfect for cooling small spaces and rooms. But its edge is that it has a heating power of 4,200 BTU whereas the former has none.

And even though it’s marketed to have a 100 sq ft cooling area, it’s actually strong enough for rooms with a size of up to 350 sq ft. It does this while emitting the lowest levels of noise as well.

Apart from being one of the quietest wall air conditioners, it also has other commendable features. These include 4-way louvers, adjustable fan speed, and a 24-hour timer with sleep mode. You can control this wall air conditioner unit via remote control for easier usage too.

This air conditioning unit has a dehumidifying power of 1.9 pints per hour.


  • Perfect for small rooms
  • Has both heating and cooling power
  • Low noise level
  • Programmable temperature and timer settings


  • Some people received a defective remote control

4. Star Air Kontrol AK-08HS115V Window and Wall Air Conditioner

Star Air Kontrol AK-08HS115V 2

Following suit as a wall air conditioner unit that’s perfect for small rooms is this one from Star Air Kontrol. A cooling power of 8,000 BTU is more than enough to keep a small space cold.

This unit has a room cooling area of up to 170 square feet despite only having 8,000 BTU. And it also has the same capacity for its heating power.

It’s one of the quietest wall air conditioners that we highly recommend because it only produces 51 decibels of noise when turned on. It’s hardly noticeable even when in a small room.

This wall air AC has adjustable fan speeds that you can choose from, as well as a remote control that you can use to set the temperature.

The only downside is that this doesn’t have the same features as most wall AC units do. More notably, this has no built-in sleep timer so you’ll have to turn the unit off manually. But otherwise, it’s still an adequate wall AC unit.


  • Has cooling and heating powers
  • Emits low noise levels
  • Adjustable fan speeds and temperature


  • No sleep timer
  • Not recommended for big spaces

5. Kenmore Smart 04277127 Window and Wall Air Conditioner

Kenmore Smart 04277127 2

We think that this wall AC unit from Kenmore has the most interesting features. To start, it’s Wi-Fi-compatible so you can control it via a smartphone app or the remote control that it comes with it. And if you have an Alexa, you can sync it with this as well.

As for cooling power, it has a capacity of 12,000 BTU. This is relatively higher than most of the wall AC units mentioned in this article. Generally, 12,000 BTU can cool up rooms with a size of up to 550 square feet so you can use this for larger rooms.

This wall AC unit has adjustable fins to help you direct the flow of the air. You can also choose from four different AC modes, depending on your preference. These are the Eco, Fan, Dry, and Cool modes. The energy-efficient Eco Mode is particularly recommended for those who want to save up on energy consumption and take energy-efficiency seriously.

As for noise levels, this only emits 54 decibels despite having a 12,000 BTU capacity. It’s among the quietest wall air conditioners we found that’s still strong enough to keep a large room cold.


  • High cooling power capacity
  • Suitable for large rooms
  • Four AC modes
  • Eco mode is great for energy-efficiency
  • Wi-Fi and Alexa-compatible


  • Difficult to set up on your own

6. PIONEER Wall Air Conditioner

PIONEER Wall Air Conditioner 2

You’ll notice that this wall AC unit from Pioneer looks different from the other wall AC units mentioned in this article. Unlike the others that can be installed both as a window AC and wall AC, this unit is a mini-split type. That means it can only be installed on your wall.

It has two components. One is to be mounted on your wall inside the room and it’s called the Evaporator. Another is meant to be placed outside and it’s called the Condensor. They’re connected via the drain, refrigerant, and electric lines.

This is a great choice if you need an AC unit to use for a commercial space or work area since it can cool up bigger rooms. It has a cooling power of 12,000 BTU and a heating power of 8,000 BTU.

To control it, this has an adjustable LED display where you can toggle the settings. It also has automatic swings and multi-speed fan motors that can improve the airflow inside the room.

You won’t have to worry about noise either since this uses whisper-quiet technology to deliver the lowest levels of sound. It also has a night mode that automatically adjusts both the fan speed and temperature to allow for a more comfortable sleep experience.

The only catch is that this is tricky to set up at home without the help of a professional. You’ll have to get in touch with Pioneer’s customer service to ensure a smooth installation.


  • Suitable for large rooms and commercial spaces
  • Strong cooling and heating powers
  • Adjustable fan speed and temperature
  • Whisper-quiet technology emits low noise


  • Needs to be set up by a professional

7. Keystone Window and Wall Air Conditioner

Keystone Window and Wall Air Conditioner 2

What we love about this wall AC from Keystone is that there are three variants you can choose from, depending on your needs.

The main difference between the variants is that they each have a different BTU unit. You can choose from 8,000 BTU, 10,000 BTU, or 12,000 BTU versions. The lowest BTU unit variant can cool up smaller rooms while the highest one is great for large spaces.

Personally, we think that the 10,000 BTU variant was able to hit the sweet spot of both affordability and quality. It’s perfect for cooling up a room with 350 to 550 square feet. And this also has heating power that you can turn on for colder days.

As for its features, this wall air conditioner unit has three fan speeds and three cooling modes. You can also turn on the Auto mode to activate the automatic temperature adjuster. It also has a 24-hour timer and a temperature-sensitive remote control.

This wall AC also has the highest dehumidifying capacity out of all the other AC units we mentioned. It can dehumidify 2.3 pints per hour when in use.

Finally, this only creates a maximum of 51.8 decibels when turned on, making it among the quietest wall air conditioners available today.


  • Has three variants with different BTU capacities
  • Strong cooling and heating powers
  • Adjustable fan speed and cooling modes
  • High dehumidifying capacity
  • Emits low noise


  • Prone to dents during shipping
  • People found it tricky to install on their own

8. LG LT1016CER Window and Wall Air Conditioner

LG LT1016CER 2

Another one of the best wall AC units that you should check out is this one from LG. It has all the great features of typical wall air conditioners but is much quieter when in use.

It has a cooling power capacity of 10,000 BTU which is just right for medium to large-sized rooms. And it does so while remaining small and compact.

You can also choose from three different speeds for the fan, as well as three cooling options. It even has a built-in sleep timer that will automatically switch your unit off when activated.

This room air conditioner unit also comes with its own remote control so you can adjust the temperature and fan speed from wherever you’re seated.

Perhaps the only downside of this AC unit is that even though it’s small in size, it’s quite heavy in weight. You definitely cannot install this on your own.


  • Produces minimal noise
  • Great cooling power
  • Compact size
  • Has a sleep timer and remote control
  • Adjustable fan speed and cooling options


  • Heavy despite its small size
  • Prone to dents during shipping

9. Koldfront WAC12001W Window and Wall Air Conditioner

Koldfront WAC12001W

What differentiates this AC unit from other wall and window air conditioners is that its cooling capacity is almost as high as its heating capacity. It has 12,000 BTU for cooling and 11,000 BTU for heating so you can use it all year-round.

Its features include three adjustable fan settings, different operation modes, and an electronic thermostat that you can toggle. You can also control it via the switches on the unit itself or with the remote control that comes with it.

Like other wall AC units, this has air louvers that can be positioned in different ways to maximize airflow. This wall and window unit has a room cooling area of up to 550 sq ft.

Finally, you can also opt to install this AC either on your wall or through a window. It hardly makes any noise when in use as well.


  • Cooling capacity is just as strong as heating capacity
  • Adjustable fan settings and operation modes
  • Movable air louvers
  • Suitable for medium to large spaces


  • Slower to heat up a room compared to when cooling it up
  • Customer service is slow to respond

10. Frigidaire FFRA0511R1E Window and Wall Air Conditioner

Frigidaire FFRA0511R1E 2

This unit from Frigidaire has the lowest BTU capacity among all other wall air conditioners on this list. It only operates with 5,000 BTU. Since it has a lower cooling capacity compared to other wall units, this wall AC is better suited for small rooms and spaces. But don’t let that be a turn off because it’s still able to deliver high-quality cooling.

This has two cooling fans built into it that have two different speed settings. You can also opt to turn on the Low Power Start-up Mode to save up on energy consumption.

Plus, you’ll find that this has two mesh filters that are easy to clean and slide back into the unit. They help deodorize the air that comes out of the unit.

We should also mention that this has a pretty good backup process. It automatically restarts in case of a power interruption and restores previous settings.

Lastly, you’ll be happy to know that it does all those features while producing hardly any sound when turned on.


  • Adjustable fan and speed settings
  • Washable mesh filters
  • Emits minimal noise
  • Retains previous settings when restarted


  • Tends to get dented during shipping

Wall Air Conditioners vs Window Air Conditioners

Couple Picking out a Wall Air Conditioner

Now, you might be thinking: Wait, there’s a difference between a wall and window air conditioner?!

Yes, there actually is.

But, a wall and window air conditioner are more similar than they are different though. They both come in a compact box shape and are fairly easy to install.

One key difference is that with wall units, the air is exhausted only out the backside of the unit.

With air conditioning in window units, the air is exhausted in both the back and the sides.

That’s why it’s important that you distinguish what kind you’re buying because if you accidentally install a window AC unit through your wall, the air coming out of the sides will be blocked.

Wall units are more flexible since they can be installed through your window as well. Most of the products that we recommended in this list are wall and window AC units that are compatible with either one though. Just be sure to double-check, in case.


What to Look for in a Quiet Wall Air Conditioner

Now that you know the difference between wall and window units, it’s time to learn about the factors to consider when purchasing your quiet wall air conditioner.

Noise Level

Obviously, you want something that produces the lowest noise possible without sacrificing quality. Generally, A/C units with lower BTU capacity emit fewer sounds compared to those with higher BTU capacities.

But there are exceptions, like the air conditioning units we recommended above. Thankfully, some brands have now developed new ways of eliminating excess noise from the air conditioners without sacrificing cooling capacity.

Room Size

You should also take into consideration the size of the room you want to install your AC in.

Around 5,000 to 8,000 BTU is enough to cool up a small space. About 10,000 to 12,000 BTU is great for medium to large areas. And anything higher than 13,000 BTU is strong enough for large venues and commercial spaces.

Cooling Power

As mentioned, different units will have different cooling capacities. British Thermal Unit or BTU is the measure of cooling capacity for air conditioners.

If the room you’re gonna be using the AC in is usually exposed to heat and sunlight, then you’ll want something with stronger cooling powers. The same goes for a larger room size.

Dehumidifying Capacity

An air conditioner with good dehumidifying capacity is able to eliminate excess moisture inside the room while it’s turned on. This feature is perfect for when the weather is nice and you don’t really need to cool down but notice that the air is still humid.

If you need something that can dehumidify on its own though, we recommend you check out our article on the Quietest Dehumidifiers for Your Home.

Energy Consumption

Finally, if you’re planning to be more conscious of your energy consumption, it’s good to choose an air conditioner that has low power or eco modes. These options can significantly decrease power consumption.


Now that you’ve read through our list of quietest wall air conditioner units, we hope that you were able to decide which is the right one for you.

We highly recommend the Emerson Quiet Kool EATH14RD2 as the AC unit with the best overall features. It has strong cooling powers and has adjustable temperature settings. Plus, it can even dehumidify a room.

If you’re looking for a budget option, then you should purchase the Friedrich CP08G10B. Despite being affordable, it doesn’t sacrifice cooling capacity and overall quality. You definitely get your money’s worth.

And lastly, if you need the perfect AC unit for cooling up a small space, then get the Koldfront WTC8002WCO. It’s powerful enough to cool down a room but still quiet enough to not create distractions while you lounge around or work.

About the Author


Andrea Adams

Fidgeting with gadgets and electronics has long been Andrea’s expertise. She has assembled, disassembled, and tweaked almost every type of device you can think of. Through the years, she has come to realize that technology should never be fussy. And that’s where her interest in quiet products stemmed from. She hopes to become your go-to person for insight when deciding on noiseless goods to purchase.