Best Through-the-wall Air Conditioners in 2025
Updated on June 2025
#1
Recommended
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- 23,200 BTU cooling and 16,000 BTU heating capacity suitable for areas up to 1,500 sq. ft.
- Functions include cooling, supplemental heating, dehumidification, and fan circulation; supplemental heating for ambient temperatures between 23°F and 76°F.
- Smart remote measures room temperature and communicates with AC unit every 3 minutes for precise cooling.
- Energy-efficient operation using 'Energy Saver' or 'Sleep' mode to lower electricity costs.
- Compact design for installation through the wall, includes window installation kit, with minimum window height of 19.5 inches.
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- 23,200 BTU cooling and 16,000 BTU heating capacity suitable for areas up to 1,500 sq. ft.
- Functions include cooling, supplemental heating, dehumidification, and fan circulation; supplemental heating for ambient temperatures between 23°F and 76°F.
- Smart remote measures room temperature and communicates with AC unit every 3 minutes for precise cooling.
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#2
Value for Money
13% Off
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- Supplemental heating option for added warmth on cool days
- Two cooling, heating, and fan speeds for personalized comfort
- User-friendly electronic controls with remote access
- Auto Restart feature resumes operation after a power outage
- Effective cooling for rooms up to 450 sq. ft. (25' x 18')
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- Supplemental heating option for added warmth on cool days
- Two cooling, heating, and fan speeds for personalized comfort
- User-friendly electronic controls with remote access
- Auto Restart feature resumes operation after a power outage
- Effective cooling for rooms up to 450 sq. ft. (25' x 18')
#3
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- Cooling capacity of up to 12,000 BTU suitable for rooms up to 550 sq. ft.
- Combines air conditioning, heating, fan, and dehumidifying functions for versatile use.
- Operable via the TCL Home App, voice commands with Alexa or Google Assistant, or remote control.
- Features energy-saving modes including Sleep and Eco to reduce power consumption.
- User-friendly LED display and remote control for convenient operation.
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- Cooling capacity of up to 12,000 BTU suitable for rooms up to 550 sq. ft.
- Combines air conditioning, heating, fan, and dehumidifying functions for versatile use.
- Operable via the TCL Home App, voice commands with Alexa or Google Assistant, or remote control.
- Features energy-saving modes including Sleep and Eco to reduce power consumption.
- User-friendly LED display and remote control for convenient operation.
#4
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- 12,000 BTU through-wall air conditioner efficiently cools small to medium living spaces up to 550 sq. ft.
- Offers 3 cooling modes, 3 fan speeds, and a built-in dehumidification system that removes 2.5 pints of moisture per hour.
- Designed for space-saving with easy installation using standard universal interior trim kit.
- Smart remote measures room temperature and communicates with the unit every 3 minutes for precise cooling.
- Energy-efficient features like 'Energy Saver' and 'Sleep' mode help reduce electricity costs while maintaining comfort.
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- 12,000 BTU through-wall air conditioner efficiently cools small to medium living spaces up to 550 sq. ft.
- Offers 3 cooling modes, 3 fan speeds, and a built-in dehumidification system that removes 2.5 pints of moisture per hour.
- Designed for space-saving with easy installation using standard universal interior trim kit.
- Smart remote measures room temperature and communicates with the unit every 3 minutes for precise cooling.
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#5
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- Utilizes R-32 refrigerant with an energy efficiency ratio (EER) of 10.7 for optimal energy savings
- Designed for through-the-wall installation; not suitable for window mounting; dimensions are 24” W x 20.1” D x 14.4” H
- Offers 3 cooling speeds and 3 pre-programmed modes for effective cooling in rooms up to 330 square feet; includes Energy Saver mode for efficient air circulation
- Includes a remote control for convenient operation from a distance
- Comes with accessories such as a trim kit for indoor installation, a protective mesh grille for outdoor use, a washable filter, insulation foam, and a remote control
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- Utilizes R-32 refrigerant with an energy efficiency ratio (EER) of 10.7 for optimal energy savings
- Designed for through-the-wall installation; not suitable for window mounting; dimensions are 24” W x 20.1” D x 14.4” H
- Offers 3 cooling speeds and 3 pre-programmed modes for effective cooling in rooms up to 330 square feet; includes Energy Saver mode for efficient air circulation
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#6
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- 8,000 BTU cooling capacity suitable for rooms up to 350 sq. ft. with a standard 115V plug.
- 8-way directional louvers with 3 fan speeds and 4 modes provide customizable cooling from 62 to 86 degrees.
- Fits sleeve sizes of 24.5" to 27" with included trim kit and rear grille for a finished appearance.
- Eco and Sleep modes reduce energy consumption while a 24-hour programmable timer allows for scheduled cooling.
- Featuring a quick-access filter for easy cleaning, ensuring optimal performance and air quality.
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- 8,000 BTU cooling capacity suitable for rooms up to 350 sq. ft. with a standard 115V plug.
- 8-way directional louvers with 3 fan speeds and 4 modes provide customizable cooling from 62 to 86 degrees.
- Fits sleeve sizes of 24.5" to 27" with included trim kit and rear grille for a finished appearance.
- Eco and Sleep modes reduce energy consumption while a 24-hour programmable timer allows for scheduled cooling.
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#7
6% Off
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- Multi-season functionality with powerful cooling and supplemental heat for rooms up to 550 sq. ft.; heat pump function ineffective below 41°F.
- User-friendly with LED display, 5 modes, 3 speed settings, and a 24-hr timer. Operate via control panel, remote, SmartHome app, or voice with Alexa/Google Assistant.
- Energy-efficient unit certified by Energy Star; features variable-speed inverter technology for up to 35% energy savings, offering 12,000 BTUs and easy maintenance with a washable filter.
- Quiet operation at 45 dBA, ideal for uninterrupted activities like meetings or TV watching while providing a soothing background noise.
- Designed for double hung windows (24-38.5 inches wide); measures 19.41"W x 22.17"D x 13.9"H. Comes with remote control and installation kit.
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- Multi-season functionality with powerful cooling and supplemental heat for rooms up to 550 sq. ft.; heat pump function ineffective below 41°F.
- User-friendly with LED display, 5 modes, 3 speed settings, and a 24-hr timer. Operate via control panel, remote, SmartHome app, or voice with Alexa/Google Assistant.
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#8
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- Olmo Through-the-wall air conditioner with 8,300 BTU/h cooling capacity for residential, commercial, or hotel use.
- Operates on 115V, 1Ph, 60Hz; comes pre-charged with R-32 refrigerant. Verify compatibility with your electrical receptacle.
- Wall sleeve sold separately; not included in the product listing.
- Features digital push button control panel with LED display, remote controller, and smartphone compatibility for convenience.
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- Olmo Through-the-wall air conditioner with 8,300 BTU/h cooling capacity for residential, commercial, or hotel use.
- Operates on 115V, 1Ph, 60Hz; comes pre-charged with R-32 refrigerant. Verify compatibility with your electrical receptacle.
- Wall sleeve sold separately; not included in the product listing.
- Features digital push button control panel with LED display, remote controller, and smartphone compatibility for convenience.
#9
7% Off
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- Three adjustable fan speeds for customized cooling
- Built-in air ionizer reduces airborne particles for improved air quality
- Washable dust filter for easy maintenance and improved efficiency
- Remote control for convenient temperature management
- 24-hour programmable timer for pre-setting temperature control
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- Three adjustable fan speeds for customized cooling
- Built-in air ionizer reduces airborne particles for improved air quality
- Washable dust filter for easy maintenance and improved efficiency
- Remote control for convenient temperature management
- 24-hour programmable timer for pre-setting temperature control
#10
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- Olmo through-the-wall air conditioner & heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, or hotel applications.
- Operates on 115V, 1Ph, 60Hz; uses R-32 refrigerant—ensure compatibility with your electrical receptacle.
- Includes a wall sleeve for easy installation.
- Can be controlled via a digital push button control panel with LED display, a remote controller, or a compatible smartphone app.
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- Olmo through-the-wall air conditioner & heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, or hotel applications.
- Operates on 115V, 1Ph, 60Hz; uses R-32 refrigerant—ensure compatibility with your electrical receptacle.
- Includes a wall sleeve for easy installation.
- Can be controlled via a digital push button control panel with LED display, a remote controller, or a compatible smartphone app.
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