Updated:March, 2026

10 Best Through The Wall Air Conditioners of 2026

Best Choice

9.9

Outstanding

Whirlpool

Whirlpool 12,000 BTU 230V Through-the-Wall Air Conditioner with Supplemental Heat, Dehumidifier and Remote, Wall AC Unit for Apartment, Living Room and Medium Rooms up to 550 Square Feet in White

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Why We Love It

Exceptional Cooling: This powerful, 12,000/11,600 BTU through the wall air conditioner with 10600/8600 BTU supplemental heat (not meant to be used as a primary heat source in the coldest months) is best for spaces up to 550-sq. ft. with an attached, 4.9-ft plug that will fit any 230V/20A electrical outlet
Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, and 4 operation modes you can customize your cooling to fit your specific needs
Universal Fit Size: With dimensions of 20.3 D x 24.2 W x 14.5 H, this air conditioner fits into sleeves 24.5-27 wide and comes with a trim kit and rear grille to finish off the look
Convenient Functions: The Eco and Sleep functions save you money throughout the day and night while keeping you cool while the programmable 24-hour timer allows you to cool on your schedule
Easy Remove Filter: The unit features a quick-access filter for easy cleaning so you can simply pull it out, wipe the filter clean, and push back into the unit

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Why We Love It

Exceptional Cooling: This powerful, 12,000/11,600 BTU through the wall air conditioner with 10600/8600 BTU supplemental heat (not meant to be used as a primary heat source in the coldest months) is best for spaces up to 550-sq. ft. with an attached, 4.9-ft plug that will fit any 230V/20A electrical outlet
Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, and 4 operation modes you can customize your cooling to fit your specific needs
Universal Fit Size: With dimensions of 20.3 D x 24.2 W x 14.5 H, this air conditioner fits into sleeves 24.5-27 wide and comes with a trim kit and rear grille to finish off the look
Convenient Functions: The Eco and Sleep functions save you money throughout the day and night while keeping you cool while the programmable 24-hour timer allows you to cool on your schedule
Easy Remove Filter: The unit features a quick-access filter for easy cleaning so you can simply pull it out, wipe the filter clean, and push back into the unit

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Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Whirlpool

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

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Main Highlights

Exceptional Cooling: This powerful, 14,000/13,600 BTU through the wall air conditioner with 10600/8600 BTU supplemental heat (not meant to be used as a primary heat source in the coldest months) is best for spaces up to 700-sq. ft. with an attached, 4.9-ft plug that will fit any 230V/20A electrical outlet
Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, and 4 operation modes you can customize your cooling to fit your specific needs
Universal Fit Size: With dimensions of 20.3 D x 24.2 W x 14.5 H, this air conditioner fits into sleeves 24.5-27 wide and comes with a trim kit and rear grille to finish off the look
Convenient Functions: The Eco and Sleep functions save you money throughout the day and night while keeping you cool while the programmable 24-hour timer allows you to cool on your schedule
Easy Remove Filter: The unit features a quick-access filter for easy cleaning so you can simply pull it out, wipe the filter clean, and push back into the unit

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Main Highlights

Exceptional Cooling: This powerful, 14,000/13,600 BTU through the wall air conditioner with 10600/8600 BTU supplemental heat (not meant to be used as a primary heat source in the coldest months) is best for spaces up to 700-sq. ft. with an attached, 4.9-ft plug that will fit any 230V/20A electrical outlet
Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, and 4 operation modes you can customize your cooling to fit your specific needs
Universal Fit Size: With dimensions of 20.3 D x 24.2 W x 14.5 H, this air conditioner fits into sleeves 24.5-27 wide and comes with a trim kit and rear grille to finish off the look
Convenient Functions: The Eco and Sleep functions save you money throughout the day and night while keeping you cool while the programmable 24-hour timer allows you to cool on your schedule
Easy Remove Filter: The unit features a quick-access filter for easy cleaning so you can simply pull it out, wipe the filter clean, and push back into the unit

9.5

Excellent

Keystone

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

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Main Highlights

Reliable Through the Wall Air Conditioner: The powerful 10,000 BTU through the wall ac unit is what you need to efficiently cool your apartment, bedroom, bathroom, or any small to medium sized living space up to 450 Sq.Ft.
Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 2.3 pints of moisture from the air is removed every hour with the built-in dehumidification system
Space Saving: Keep your window view and floor space with this through wall air conditioner 115v; Easy installation with universal interior trim kit
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your ac wall unit every 3 minutes for accurate cooling
Powerful Cooling on a Budget: Our High Efficiency thru the wall ac will give your electric bill a break by using the 'Energy Saver' or Sleep' mode; These features automatically program your unit to use less energy

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Main Highlights

Reliable Through the Wall Air Conditioner: The powerful 10,000 BTU through the wall ac unit is what you need to efficiently cool your apartment, bedroom, bathroom, or any small to medium sized living space up to 450 Sq.Ft.
Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 2.3 pints of moisture from the air is removed every hour with the built-in dehumidification system
Space Saving: Keep your window view and floor space with this through wall air conditioner 115v; Easy installation with universal interior trim kit
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your ac wall unit every 3 minutes for accurate cooling
Powerful Cooling on a Budget: Our High Efficiency thru the wall ac will give your electric bill a break by using the 'Energy Saver' or Sleep' mode; These features automatically program your unit to use less energy

9.2

Excellent

Keystone

Keystone 8,000 BTU Wall Mounted Air Conditioner and Dehumidifier, 115V, Wall Unit for Bedroom, Bathroom, Small-Medium Sized Rooms up to 350 Sq.Ft., Quiet, High Efficiency Wall Mounted AC Unit, White

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Main Highlights

Reliable Wall AC Unit: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 8,000 BTU wall air conditioner is what you need to efficiently cool any small-medium sized living space up to 350 Sq.Ft.
Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; 2.1 pints of moisture from the air is removed every hour with the built-in dehumidification system
Space Saving Design: Keep your window view and floor space with this through the wall air conditioner; Easy installation with standard universal interior trim kit
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your wall unit every 3 minutes for accurate cooling, no matter where you are in your home
Powerful Cooling on a Budget: Our High Efficiency wall unit air conditioner will give your electric bill a break by using the 'Energy Saver' or Sleep' mode

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Main Highlights

Reliable Wall AC Unit: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 8,000 BTU wall air conditioner is what you need to efficiently cool any small-medium sized living space up to 350 Sq.Ft.
Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; 2.1 pints of moisture from the air is removed every hour with the built-in dehumidification system
Space Saving Design: Keep your window view and floor space with this through the wall air conditioner; Easy installation with standard universal interior trim kit
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your wall unit every 3 minutes for accurate cooling, no matter where you are in your home
Powerful Cooling on a Budget: Our High Efficiency wall unit air conditioner will give your electric bill a break by using the 'Energy Saver' or Sleep' mode

9.0

Excellent

LG

LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

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Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall Mounted AC Unit: This 11,800 BTU ac wall unit is suited for a through the wall installation; It is not properly vented for a standard window installation; The wall air conditioner has dimensions of 24 W x 20.1 D x 14.4 H
Confident Cooling: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan
Wall Unit Modes: Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes moisture from your space; Cool mode keeps you comfortable on warm days with cold air
Accessories Included: A trim kit finishes the indoor installation, while a plastic mesh grille protects the outdoor; A washable, reusable filter, insulation foam, and a remote are also included

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Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall Mounted AC Unit: This 11,800 BTU ac wall unit is suited for a through the wall installation; It is not properly vented for a standard window installation; The wall air conditioner has dimensions of 24 W x 20.1 D x 14.4 H
Confident Cooling: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan
Wall Unit Modes: Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes moisture from your space; Cool mode keeps you comfortable on warm days with cold air
Accessories Included: A trim kit finishes the indoor installation, while a plastic mesh grille protects the outdoor; A washable, reusable filter, insulation foam, and a remote are also included

8.8

Very Good

LG

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

Free Shipping

Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.7, this wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 9,800 BTU wall mounted ac unit is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This ac wall unit features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 440 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 2.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
Easy Wall Air Conditioner Installation: A plastic, snap-together trim kit finishes the indoor installation, while a plastic mesh grille protects the unit
Wall Unit Air Conditioner Features: A washable, reusable filter, insulation foam, and a remote control are included

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Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.7, this wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 9,800 BTU wall mounted ac unit is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This ac wall unit features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 440 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 2.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
Easy Wall Air Conditioner Installation: A plastic, snap-together trim kit finishes the indoor installation, while a plastic mesh grille protects the unit
Wall Unit Air Conditioner Features: A washable, reusable filter, insulation foam, and a remote control are included

8.6

Very Good

Frigidaire

Frigidaire 12,000 BTU Through-the-wall Air Conditioner and Dehumidifier, 115V, Cools up to 550 Sq. Ft. for Apartment, Bedroom, Medium Rooms, with Remote Control, White

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Main Highlights

3-in-1 Wall Air Conditioner: Designed for rooms up to 550 square feet, this air conditioner unit features digital temperature controls with 12,000 BTU of cooling power, 3 fan speeds, and excess moisture removal up to 3.3 pints per hour
Easy to Clean Filter: Capture dust from the air and keep your air conditioner running efficiently with an easy to clean washable dust filter with an alert when it's time to clean
Programmable Timer: Set the ac unit to turn on and off in half hour increments, or whenever you want, so that you can maintain optimal comfort while at home
Sleep Mode: In this function, the unit gradually increases the temperature of the room a few degrees over the evening so you can enjoy maximum comfort and quiet operation
Automatic Remote Temperature Control: Precisely control the temperature and fan speed from across the room and remain comfortable at all times with a thermostat located in the remote, which maintains the preset room temperature

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Main Highlights

3-in-1 Wall Air Conditioner: Designed for rooms up to 550 square feet, this air conditioner unit features digital temperature controls with 12,000 BTU of cooling power, 3 fan speeds, and excess moisture removal up to 3.3 pints per hour
Easy to Clean Filter: Capture dust from the air and keep your air conditioner running efficiently with an easy to clean washable dust filter with an alert when it's time to clean
Programmable Timer: Set the ac unit to turn on and off in half hour increments, or whenever you want, so that you can maintain optimal comfort while at home
Sleep Mode: In this function, the unit gradually increases the temperature of the room a few degrees over the evening so you can enjoy maximum comfort and quiet operation
Automatic Remote Temperature Control: Precisely control the temperature and fan speed from across the room and remain comfortable at all times with a thermostat located in the remote, which maintains the preset room temperature

8.3

Very Good

ROVSUN

ROVSUN Smart 8000 BTU Through the Wall Air Conditioner with Heat, Wall AC Unit & Heater Combo with Remote, APP & Voice Control & Timer Function, Compatible with Alexa/Google Assistant, 115V/60Hz

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Main Highlights

Fast Cooling & Heating: Dive into an all-season solution with our through wall AC and heater system, this unit featuring 8000BTU air conditioning, 4200BTU heating, dehumidifier & fan function for ideal climate control of room up to 350 square feet. Perfect choice for your room like home, office, or apartment
Considerate Designs: This air conditioner & heater unit comes with an LED display, 5 modes (Heat, Auto, Cool, Dry, Fan), 3 speeds (Auto/H/M/L), 24H Timer and ECO energy-saver. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance. The swing button adjusts the louvers to direct the airflow. Easily create the perfect environment for multi-seasons
WIFI-Enabled & Voice Control: Beside of the panel & remote control, seamlessly integrate with phone APP or voice control (works with Alexa/Google Assistant); Set routines for optimal temperature changes allows you to adjust your wall air conditioner from anywhere so that you can enjoy endless comfort immediately once arriving home
Simple Installation: A detailed instruction manual makes assembly easily done in a short period. This air conditioner fits into standard sleeve 25.5 wide and comes with a trim kit and back grille for installation (wall sleeve is not included)
100% Satisfaction: We do cover 1 year warranty on this ac unit, any questions about it, please don't hesitate to contact us at any time for getting a satisfied service. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us

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Main Highlights

Fast Cooling & Heating: Dive into an all-season solution with our through wall AC and heater system, this unit featuring 8000BTU air conditioning, 4200BTU heating, dehumidifier & fan function for ideal climate control of room up to 350 square feet. Perfect choice for your room like home, office, or apartment
Considerate Designs: This air conditioner & heater unit comes with an LED display, 5 modes (Heat, Auto, Cool, Dry, Fan), 3 speeds (Auto/H/M/L), 24H Timer and ECO energy-saver. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance. The swing button adjusts the louvers to direct the airflow. Easily create the perfect environment for multi-seasons
WIFI-Enabled & Voice Control: Beside of the panel & remote control, seamlessly integrate with phone APP or voice control (works with Alexa/Google Assistant); Set routines for optimal temperature changes allows you to adjust your wall air conditioner from anywhere so that you can enjoy endless comfort immediately once arriving home
Simple Installation: A detailed instruction manual makes assembly easily done in a short period. This air conditioner fits into standard sleeve 25.5 wide and comes with a trim kit and back grille for installation (wall sleeve is not included)
100% Satisfaction: We do cover 1 year warranty on this ac unit, any questions about it, please don't hesitate to contact us at any time for getting a satisfied service. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us

8.1

Very Good

LG

LG 11,800 BTU Through the Wall Air Conditioner, 230/208V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

Free Shipping

Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 11,800 BTU air conditioner is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This wall air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 3.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
230V Outlet Required: This wall unit ac has a 6 ft power cord with a special NEMA 6-15 230V plug; It will not run on a standard 115V residential electrical outlet
Wall AC Unit Features: A washable, reusable filter, insulation foam, and a remote control are included

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Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 11,800 BTU air conditioner is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This wall air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 3.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
230V Outlet Required: This wall unit ac has a 6 ft power cord with a special NEMA 6-15 230V plug; It will not run on a standard 115V residential electrical outlet
Wall AC Unit Features: A washable, reusable filter, insulation foam, and a remote control are included

8.1

Very Good

BLACK+DECKER

BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet, Window AC Unit with Remote Control, 3 Cooling Speeds and Fan Only, BD18WT6, White

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Main Highlights

Keeps Rooms Cool: 18,000 BTU window air conditioner unit will keep your home cool and comfortable. This window unit AC runs at four levels: auto, low, medium and high to ensure optimal indoor relief
For Larger Rooms & Living Spaces: Our window ac units offer consistent and effective cooling for spaces up to 1,000 square feet. Perfect for whole floors, offices, living spaces and apartments
Full Function Remote Control: Control every setting and function on the easy-to-use remote control. Window unit air conditioner features sleep mode, energy saver, 24-hour timer and more
Easy Window Installation: Accordion style window air conditioner side panels for easy installation ensure the AC unit fits standard double hung windows from 28" to 40.5" wide and as low as 18.5" H
Through The Wall Installation: Wall sleeve and parts included with this window AC unit. Through-the-wall installations and electrical wiring should be performed by a licensed professional

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Main Highlights

Keeps Rooms Cool: 18,000 BTU window air conditioner unit will keep your home cool and comfortable. This window unit AC runs at four levels: auto, low, medium and high to ensure optimal indoor relief
For Larger Rooms & Living Spaces: Our window ac units offer consistent and effective cooling for spaces up to 1,000 square feet. Perfect for whole floors, offices, living spaces and apartments
Full Function Remote Control: Control every setting and function on the easy-to-use remote control. Window unit air conditioner features sleep mode, energy saver, 24-hour timer and more
Easy Window Installation: Accordion style window air conditioner side panels for easy installation ensure the AC unit fits standard double hung windows from 28" to 40.5" wide and as low as 18.5" H
Through The Wall Installation: Wall sleeve and parts included with this window AC unit. Through-the-wall installations and electrical wiring should be performed by a licensed professional

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