Best Through-the-Wall Air Conditioners of 2025

Mark Greer Avatar
Mark Greer
Last Updated: Jan 8, 2025

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Through-the-wall air conditioners are a great solution for those who want to enjoy cool air without sacrificing their view. These units are installed in a wall, providing a permanent cooling solution for homes, apartments, and offices. They are designed to be energy-efficient, quiet, and easy to operate. With a variety of sizes and cooling capacities available, these air conditioners can meet the needs of any space. Plus, they are easy to maintain and can be a cost-effective alternative to central air conditioning. Whether you need to cool a single room or an entire building, through-the-wall air conditioners are a practical and reliable option.

At a Glance: Our Top Picks

LG 9,800 BTU Through-The-Wall Air Conditioner Cover #TOP 1
LG 9,800 BTU Through-The-Wall Air Conditioner
ftb score rating icon 9.8
Whirlpool WHAT142-HAW 14,000 BTU AC Cover #TOP 2
Whirlpool WHAT142-HAW 14,000 BTU AC
ftb score rating icon 9.7
OLMO 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control Cover #TOP 3
OLMO 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control
ftb score rating icon 9.5

Top 10 Through-the-Wall Air Conditioners

#TOP 1

LG 9,800 BTU Through-The-Wall Air Conditioner

LG
LT1016CER
White
10000 BTU
LG 9,800 BTU Through-The-Wall Air Conditioner Cover
LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

The LG air conditioner is a powerful and energy-efficient cooling solution that can cool up to 440 sq. ft. Its universal design fits most sleeves and it comes with a remote control and installation kit. The LED display and simple selection control panel allow for easy operation, and the full-featured remote lets you adjust temperature and fan speed from a distance.

What We Like
Powerful cooling capacity
Energy efficient
Easy to operate with remote control
LED display and simple selection control panel
Universal design fits most sleeves
#TOP 2

Whirlpool WHAT142-HAW 14,000 BTU AC

WHAT142-HAW
White
14000 BTU
Whirlpool WHAT142-HAW 14,000 BTU AC Cover
Whirlpool WHAT142-HAW 14,000 230V Air Conditioner with Supplemental Heat, Dehumidifier and Remote, Wall AC Unit for Apartment, Living Large Rooms up to 700 Square Feet in White, 14000 BTU

The Whirlpool 14,000 BTU AC is designed to keep large rooms up to 700 square feet cool and comfortable. With its powerful cooling capacity and supplemental heat feature, you can easily adjust the temperature to suit your needs, even on cooler days. The unit offers great flexibility with adjustable louvers, multiple fan speeds, and various operation modes, allowing you to tailor the airflow to your liking. Additionally, the Eco and Sleep functions help you save on energy costs while maintaining your comfort. Plus, the programmable 24-hour timer lets you set cooling times that fit your schedule, ensuring you always come home to a refreshing environment.

What We Like
Powerful cooling capacity
Flexible airflow options
Energy-saving features
Convenient programmable timer
#TOP 3

OLMO 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control

OW-P08HS115WF/ OW-TTWSLV
White
8,000 BTU, 115V
OLMO 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control Cover
OLMO 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, (Heating and Cooling) (R32 Refrigerant) Wall Sleeve Included…

OLMO Wall AC Remote Control is a versatile through-the-wall air conditioner and heater perfect for various settings. It offers 8,000 BTU cooling capacity and 4200 BTU heating capacity, suitable for residential, commercial, or hotel use. The unit operates on 115V power and uses R-32 refrigerant. With a wall sleeve included, installation is made easy. You can conveniently control the temperature using the digital control panel, the remote controller, or even your smartphone. Enjoy the comfort and convenience this unit brings to your space.

What We Like
Versatile for different settings
Convenient remote control options
Includes wall sleeve for easy installation
#TOP 4

OLMO TTW 8,000 btu Through-the-Wall Air Conditioner

OW-A08AC115WF
White
8,000 BTU, 115V
OLMO TTW 8,000 btu Through-the-Wall Air Conditioner Cover
OLMO TTW 8,000 btu 115V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, Cooling Only (R32 Refrigerant)…

OLMO Wall AC is a cooling system perfect for various settings. With an 8,300 BTU/h Cooling capacity, it's ideal for homes, offices, or hotels. This model uses R-32 refrigerant and requires a 115V power supply. You can control it via a digital panel, remote, or even your smartphone. Note that a wall sleeve needs to be purchased separately. Enjoy the convenience of cooling your space with ease and precision using OLMO Wall AC.

What We Like
Perfect for diverse settings
Convenient remote and smartphone control
Includes a 1-year warranty
#TOP 5

Midea MAT10R2ZWT 3-in-1 Air Conditioner

MAT10R2ZWT
White
1,0000 BTU
Midea MAT10R2ZWT 3-in-1 Air Conditioner Cover
Midea MAT10R2ZWT Air Conditioner 3-in-1 Cooling and 3 Fan Speeds,Sleep Mode, LCD Remote Control, Through The Wall AC, 230V, 1,0000 BTU, White

The Midea 3-in-1 AC unit offers versatile comfort with its three modes. You can cool your space effectively, circulate air with adjustable fan speeds, or lower humidity with the dehumidifier feature. This flexibility ensures that your room remains pleasant, no matter the weather outside. Additionally, the unit's energy-efficient design helps you save on electricity bills while enjoying a comfortable environment. With the included LCD remote, you can easily control the settings from anywhere in the room, enhancing your convenience and comfort.

What We Like
3-in-1 functionality
Energy-efficient operation
Remote control convenience
Suitable for through-the-wall installation
#TOP 6

Keystone 10,000 BTU AC Unit

KSTAT10-1D
Bright White
10000 BTU
Keystone 10,000 BTU AC Unit Cover
Keystone 10,000 BTU Through the Wall Air Conditioner and Dehumidifier, 115V, Through the Wall AC Unit for Bedroom, Bathroom, Nursery, Small-Medium Sized Rooms up to 450 Sq.Ft., Quiet, High Efficiency

The Keystone AC Unit is designed to efficiently cool your small to medium-sized spaces, like bedrooms or bathrooms, up to 450 square feet. With three cooling modes and three fan speeds, you can customize your comfort level. The 4-way adjustable air louvers ensure that cool air reaches every corner of your room. Additionally, the built-in dehumidifier removes moisture from the air, enhancing your comfort even further. The smart remote control displays the room temperature and adjusts the unit accordingly, making it easy for you to maintain a pleasant atmosphere.

What We Like
Efficient cooling for small rooms
Built-in dehumidification
Smart remote control
Space-saving design
#TOP 7

Keystone 8,000 BTU Through-The-Wall Air Conditioner with Heating Function

KSTAT08-1HC
White
1 Count (Pack of 1)
Keystone 8,000 BTU Through-The-Wall Air Conditioner with Heating Function Cover
Keystone 8,000 BTU 115V Wall Mounted Air Conditioner with Supplemental Heat and Dehumidifier Function, Quiet Wall AC with Remote Control for Small and Medium Sized Rooms up to 350 Sq.Ft.

Enjoy a comfortable and climate-controlled home with the Keystone 8,000 BTU Through-The-Wall Air Conditioner with 4,200 BTU Supplemental Heating capability. This air conditioner is perfect for rooms up to 350 square feet and offers electronic controls with LED display and a temperature sensing LCD remote control. With a front access filter, maintenance is hassle-free, and the smart remote control makes it easier to control the unit from anywhere in the room. The unit is designed for through-the-wall installation and is not suitable for window installation.

What We Like
Integrated electric heater provides supplemental heating of 4,200 BTUs, giving you an additional heat source to your main heat source when outdoor temperatures are above 45 degrees Fahrenheit.
Smart remote control with thermostat allows you to control the unit from anywhere in the room and signals the AC to cool the space based on where you are, ensuring comfortable temperatures throughout the room.
Front access filter makes maintenance easy and hassle-free. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean.
This air conditioner offers flexibility with custom cooling options. You can choose from 3 cooling modes and 3 fan speeds, and the Auto option will automatically ramp up and down the fan speed to keep your pre-set temperature constant. The Energy-saver mode conserves energy and saves you money by turning off the compressor once your desired temperature is reached.
The unit is designed for through-the-wall installation and is guaranteed to fit in your existing 24.5” to 27” durable sleeve. The matching Keystone KSTSLV1 is also available for purchase (sold separately) if you don't have a sleeve, allowing for an easy, sturdy installation.
#TOP 8

LG 9,800 BTU Through-the-Wall Air Conditioner

LG
LT1037HNR
White
10000 BTU
LG 9,800 BTU Through-the-Wall Air Conditioner Cover
LG 9,800 BTU Through-the-Wall Air Conditioner, Cools 450 Sq.Ft. (18' x 25' Room Size), Electronic Control with Remote, 2 Cooling & Fan Speeds, 4-Way Air Deflection, Auto Restart, 230/208V

The LG Wall AC is designed to enhance your comfort with supplemental heat for chillier days, dual fan speeds for personalized cooling, and heating, user-friendly electronic controls and remote for maximum usability, and auto-restart feature that switches the unit back on after a power outage. This Through-the-Wall Air Conditioner by LG is perfect for rooms up to 450 sq. ft., providing efficient cooling and heating solutions for medium-sized spaces.

What We Like
Supplemental Heat
Multiple Fan Speeds
Easy Electronic Controls
#TOP 9

Keystone 12,000 BTU Wall AC

KSTAT12-2HC
White
1 Count (Pack of 1)
Keystone 12,000 BTU Wall AC Cover
Keystone 12,000 BTU Wall Air Conditioner with Dehumidifier and Supplemental Heat, 230V, Quiet Wall AC for Small and Medium Sized Rooms up to 550 Sq.Ft. with Remote Control, White

The Keystone Wall AC is a versatile unit designed to keep your small to medium-sized rooms comfortable year-round. It offers powerful cooling up to 12,000 BTU and supplemental heating, ensuring you stay cozy even in cooler temperatures. With its all-in-one functionality, you can enjoy cooling, heating, dehumidifying, and fan circulation, making it perfect for various weather conditions. The smart remote control allows you to easily adjust the temperature from anywhere in the room, ensuring accurate comfort without having to get up. Plus, energy-saving modes help keep your electric bills low.

What We Like
Year-round comfort
Smart remote control
Energy-efficient operation
Space-saving design
#TOP 10

Durastar DRTHC081XNA1 Air Conditioner

Durastar
DRTHC081XNA1
White
Durastar DRTHC081XNA1 Air Conditioner Cover
Durastar DRTHC081XNA1 8,000 BTU 115V Through the Wall Air Conditioner with 4200 BTU Heater and Remote Control - White

The Durastar Air Conditioner is a powerful unit that provides 8,000 BTUs of cooling, perfect for spaces up to 350 square feet. This means you can enjoy a comfortable environment during hot summer days. It also features a 4,200 BTU heating capability, ensuring warmth during chilly evenings. The included remote control adds convenience, allowing you to adjust settings from anywhere in the room. Plus, with a two-year warranty, you can have peace of mind knowing your purchase is protected.

What We Like
Effective cooling and heating
Remote control convenience
Suitable for medium rooms
Two-year warranty
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are through the wall AC units efficient?

Yes, through-the-wall AC units are generally more energy-efficient compared to window AC units. Since the hole in the wall is cut to fit the specific size of the air conditioner, there are fewer gaps and leaks, resulting in improved efficiency.

2. Why are through the wall air conditioners so expensive?

Through-the-wall air conditioners tend to be more expensive than window units due to the setup and installation costs. However, the initial high cost can be justified by their efficient cooling performance and long-term energy savings.

3. How long do through the wall air conditioners last?

The lifespan of a through-the-wall air conditioner depends on factors like usage frequency, climate conditions, and proper sizing. With proper maintenance, these units can last around 10-15 years before needing a replacement.

4. What is the disadvantage of wall-mounted air conditioner?

One disadvantage of wall-mounted air conditioners is that they are not capable of cooling an entire home. They are designed to cool specific rooms or areas, so if you need to cool your entire home, a central air conditioner would be more suitable.

5. What are the cons of wall air conditioners?

The main disadvantages of wall-mounted air conditioners are that they require multiple interior units to cool different rooms, and they are permanent installations that cannot be easily moved.

6. Is it cheaper to run a wall AC or central air?

Central air conditioners are generally more energy-efficient and cost-effective compared to running multiple wall AC units. If you need to cool your entire home, central air conditioning is a more efficient option.

7. Does a wall AC use a lot of electricity?

The energy consumption of a medium-sized window or wall-mounted air conditioner is around 900 watts per hour. The energy usage can vary based on factors like AC capacity and other factors specific to the unit.

Editor's Notes

During our through-the-wall air conditioner research, we found 24 through-the-wall air conditioner products and shortlisted 10 quality products. We collected and analyzed 8,743 customer reviews through our big data system to write the through-the-wall air conditioners list. We found that most customers choose through-the-wall air conditioners with an average price of $679.73.

The through-the-wall air conditioners are available for purchase. We have researched hundreds of brands and picked the top brands of through-the-wall air conditioners, including LG, Whirlpool, OLMO, Midea, Keystone. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Mark Greer Avatar

Mark Greer has been an excellent residential carpenter for eight years in Los Angeles and has complete knowledge of woodworking, power tools, and home DIY. He never misses a chance of the lookout for new features and innovations in popular and novel home appliances as an insightful writer.