8 Best Through the Wall AC’s Reviewed

Tony Case
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AC is probably the most important and most used appliance in summer and this makes it a point of focus for those who are looking to purchase a new unit to replace an old one or to have an AC in the first place.

The key to purchasing the best through the wall air conditioner is in its size. That is the first thing you need to determine. These units don’t take up a lot of space but are powerful enough to cool down even a large room.

Now, there are different types of through the wall air conditioners, the one that comes separate from the units through which the window is cut out and it goes on the wall.

Those are two different types of units. Now comes the air flow. You want your AC to be able to blow air in one direction: outward.

This will help the cool air to spread in an even, balanced way throughout the room.

Also, the last thing you want is for the air to blow directly onto you. This is not comfortable at all and can in fact be harmful to your health.

NameCategoryProduct
Koldfront 12,000 BTU 220V Through the Wall Heat/Cool Air ConditionerBest OverallKoldfront 12,000 BTU 220V Through the Wall Heat/Cool Air Conditioner
Koldfront Through the Wall Air Conditioner SleeveBudget PickKoldfront Through the Wall Air Conditioner Sleeve
Koldfront 14,000 BTU 230V Through the Wall Air ConditionerUpgrade PickKoldfront 14,000 BTU 230V Through the Wall Air Conditioner

1. Koldfront 12,000 BTU 220V Through the Wall Heat/Cool Air Conditioner

Our rating: 9 / 10

Koldfront 12,000 BTU 220V Through the Wall Heat/Cool Air Conditioner

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Pros:

  • Energy-efficient
  • Perfect for window installation
  • Only weighs 50 pounds
  • Has a sleeker, modern design
  • Can take up to 12000 BTUs
  • Can cool a room up to 250 square feet
  • Replaceable parts available if things don’t work as they should
  • Superior air filter
  • Easy-to-use display and controls
  • Quiet operation

With 10.7 EER, 115V, and 24.7 Amps

2. Friedrich Air Conditioning Co. Chill Series

Our rating: 8 / 10

Friedrich Air Conditioning Co. Chill Series

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Pros:

  • Energy Star Certified
  • Great for small spaces or rooms
  • Easy to set up and install
  • Clean design
  • High quality

This is an 8,000 BTU unit through the wall air conditioner from Friedrich Air Conditioning. It’s fairly small and will definitely not cool a room larger than 350 square feet. However, it’ll be perfect if you’re looking for a small, throught-the-wall unit for a bedroom, office, or something similar.

There are some other benefits to the Chill Series unit from Friedrich Air Conditioning. One of them is that it has been Energy Star Certified, which means that this small unit is quite energy efficient. Another is that it’s white, so it’ll match any room in your home if you decide to install it through the wall.

This air conditioner is also very easy to set up and install, because it’s a through-the-wall unit. This means you can hook it up directly to your outdoor electrical service and just slide it into the wall for an easy and quick installation.

3. Friedrich Chill Series EP18G33B Window Air Conditioner

Our rating: 8 / 10

Friedrich Chill Series EP18G33B Window Air Conditioner

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Pros:

  • Switchable between cool and heat function
  • Four-way air direction
  • Cold air return
  • Clean air ionizer
  • Anti-bacteria filter
  • Washable pre-filter
  • Remote control
  • Wide opening for easy access
  • 12-month warranty

Cons:

  • Bulky
  • Heavy
  • Expensive
  • Must be placed outside

4. Keystone KSTAT10-2C 10000 BTU 230V Follow Me LCD Remote Control Through-The-Wall Air Conditioner

Our rating: 7 / 10

Keystone KSTAT10-2C 10000 BTU 230V Follow Me LCD Remote Control Through-The-Wall Air Conditioner

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Pros:

  • Available in different BTUs
  • Comes with an LCD remote control
  • Two-way air deflection.
  • Outstanding customer service
  • Circulation fan

Cons:

  • Best suited for smaller rooms
  • Not suitable for small children due to fan speed
  • Some say installation is easier if someone provides you with assistance

We really love this Keystone air conditioner and have seen it recommended across many best air conditioner lists. It is one of the best through the wall acs in the market today. It comes in different BTUs … 9000, 12000, and 15000. Choosing the right BTU for your space can be tricky, but it’s best to go along with the BTU size that your area needs.

According to the Energy Star rating, the KSTAT10-2C is meant to cool or heat up rooms ranging from 200 to 400 square feet. However, some say that the AC can work in rooms that are smaller than that, but may not be able to circulate the air evenly.

5. Koldfront WTC8002WCO 8,000 BTU 115V Through the Wall Air Conditioner

Our rating: 6 / 10

Koldfront WTC8002WCO 8,000 BTU 115V Through the Wall Air Conditioner

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Pros:

  • Two remote controls
  • Has a washable filter
  • Works as an in-window air conditioner and a through the wall model

Cons:

  • Suction tubes are not included
  • Needs two wall sockets or a dual adapter to operate

We love this through the wall air conditioner from Koldfront. It doesn’t only cool your home, it also dehumidifies it, which is great when you’re in a dry, desert area. It’s convenient because you can place it in a convenient window, or use the included kit to easily mount it on your wall.

The air conditioner uses a dual fan system and a heat pump with an energy efficient R410A refrigerant to condition your room quickly and efficiently. The unit features an easy-to-read digital control, and is designed to fit the decor in your home. The copper tube, 3M heat pipes, and durable construction keep this machine running efficiently and cooled on even the hottest days.

You’ll have two different ways to control your air conditioner. You’ll have a remote control that includes a rechargeable lithium ion battery, and a wireless indoor thermostat that allows you to select the temperature you’d like your home to be.

6. Koldfront Through the Wall Air Conditioner Sleeve

Our rating: 6 / 10

Koldfront Through the Wall Air Conditioner Sleeve

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If you're looking for an affordable yet highly efficient way to cool down your room, the Koldfront Through the Wall Air Conditioner Sleeve could be the right choice for you. Unlike other air conditioners on the market, this one doesn't require you to vent the unit. Installation is a breeze as you simply have to stick it to the back of your window.

7. Koldfront 14,000 BTU 230V Through the Wall Air Conditioner

Our rating: 6 / 10

Koldfront 14,000 BTU 230V Through the Wall Air Conditioner

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Pros:

  • Excellent cooling range, quickly cool a large area
  • Can work for large rooms
  • Works well for larger sized rooms
  • Easy installation, wall-mounting, and removal
  • Comes with a 3-year limited warranty
  • Energy-efficient
  • Comes with a filter for odor reduction as well as pollen, pet dander, dust, and other airborne particles
  • Quiet
  • Cooling effect lasts a long time even after the unit is turned off
  • Cost-effective

Cons:

  • The fan is a bit noisy
  • Some units have heating problems

A little background information on this product, the Koldfront 14,000 BTU 230V is a through the wall air-conditioner, which is energy efficient and friendly to the environment. You can choose between four cooling and three fan speeds, which allows you to customize your cooling. You can also use the timer to set auto shut off times. The temperature is monitored and you can set three different modes: energy save mode, auto mode, and remote mode.

8. LG LT1016CER 10,000 BTU 115V Remote Control Through-the-Wall Air Conditioner

Our rating: 5 / 10

LG LT1016CER 10,000 BTU 115V Remote Control Through-the-Wall Air Conditioner

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Pros:

  • Quiet operation
  • Three-speed fan
  • Lets you choose from 10,000 BTU to 17,500 BTU
  • Built-in dehumidifier
  • Auto-cool and auto-dry settings
  • LCD remote control

Cons:

  • Expensive
  • Only vents outdoors
  • No humidifier
  • Only accommodates single sliding windows

With the LG LT1016CER you get a lot of air conditioning for the price. This 10,000 BTU AC is capable of cooling most rooms up to 500 square feet in size. It comes with a 16-foot power cord and a remote control.

The 2-speed fan system allows you to choose the right speed for your cooling needs and the even the speed of the fan can be controlled with the remote. Other features of the remote include a sleep timer and cool down mode.

The AC has three main modes to choose from – sleep, dry, and cool. The functionality of these modes is quite simple. For example, the sleep mode keeps the unit in the quietest setting and at the lowest temperature. This is helpful if you live in a home where you have no control over the temperature at night.

9. Frigidaire 12,000 BTU 115V Through-the-Wall Air Conditioner

Our rating: 5 / 10

Frigidaire 12,000 BTU 115V Through-the-Wall Air Conditioner

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Pros:

  • Easy installation
  • Remote control
  • Emits a cooling breeze
  • Affordable

Frigidaire is without a doubt the best brand when it comes to, you guessed it, fridges and ACs. The brand made it on our favorites list for two reasons: the first one being the very affordable price tag, and the second being the digital screen which allows you to set the temperature to whatever you want it to be.

Frequently Asked Questions (FAQ)

What is the best through the wall air conditioner?

Choosing the best is hard as each individual will have varying opinions and needs/wants! It really highly depends on your situation and preferences! For example, if you want an A/C unit for a huge bedroom or a large living room, the best will be a big unit! However, if you have a small room or seating area, you won’t need that much space and a smaller A/C unit would be a better fit!

How long do through the wall air conditioners last?

Your through the wall AC should work for a minimum of 10 years. Most of the time, they last longer than this. Most normal wear and tear won’t affect an AC unit directly; rather, the systems will stop working as long as there is a problem somewhere in the plumbing.

Are wall mounted air conditioners good?

Wall mounted ACs are perfect for a variety of situations. They are great for a small space and cash strapped buyers. Wall mounted ACs also have the added advantage of increasing the amount of space available to you as you have no need for a bulky central unit hanging from the ceiling.

These units are unobtrusive and help bring the cool air closer to where you are working. While wall mounted ACs are best for small and medium sized rooms, the technology used in these units, especially the more recent ones, is good enough to cool a large space.

What is the quietest through the wall air conditioner?

For people living in cramped or small spaces without proper ventilation, the quietest through the wall AC unit is the Frigidaire Gallery 12,000 BTU 115V Window-Mounted Air Conditioner (FFRE1233Q1). At only 51 dB, it may be hard to believe that this is a through the wall AC.

Conclusion

We want to help you make the right purchase decision, so we’ve taken the time to review all 8 best through the wall ACs. Take a look at the criteria we used to decide which through the wall AC deserved a place on our list. This should help you decide the best through the wall AC for your home.

Our Recommendation

NameCategoryProduct
Koldfront 12,000 BTU 220V Through the Wall Heat/Cool Air ConditionerBest OverallKoldfront 12,000 BTU 220V Through the Wall Heat/Cool Air Conditioner
Koldfront Through the Wall Air Conditioner SleeveBudget PickKoldfront Through the Wall Air Conditioner Sleeve
Koldfront 14,000 BTU 230V Through the Wall Air ConditionerUpgrade PickKoldfront 14,000 BTU 230V Through the Wall Air Conditioner