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10 Best Through-The-Wall Air Conditioners 2025 in the United States
#1
Winner
LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White
The LG 14,000 BTU through-the-wall air conditioner is designed to cool medium-sized rooms up to 700 square feet, making it suitable for bedrooms, living rooms, apartments, or offices. Its cooling power is strong enough to keep spaces comfortable during warm months. The unit features three fan speeds and an auto-cool mode, letting you adjust airflow to your liking. The 4-way air deflection allows you to direct air where it’s needed most.
Rating
10.0
Chosen by1,241
Cooling Capacity (BTUs)
Dimensions and Wall Sleeve Compatibility
Noise Level
Most important from
150 reviews
#2
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat, 230V, AC Wall Unit for Rooms up to 440 Sq.Ft. (18' x 25' Room Size), Perfect for Bedroom, AC with Remote and Auto-Restart, White
The LG 9,800 BTU Through-the-Wall Air Conditioner with Supplemental Heat is designed for rooms up to 440 square feet, such as bedrooms or offices. It offers both cooling and heating functions, making it versatile for different weather conditions. With multiple fan speeds, users can customize airflow efficiently. The unit includes convenient features like a digital control panel, remote control, and auto-restart after power failures.
Rating
10.0
Noise Level
Most important from
2 reviews
#3
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
The LG 11,800 BTU Through the Wall Air Conditioner is designed for those needing to cool a space up to 530 square feet, such as a bedroom, living room, or apartment. With a cooling capacity of 11,800 BTUs, it offers robust cooling performance. One of its notable strengths is its energy efficiency, with an EER of 10.6, which means it effectively cools while saving on energy costs.
Rating
9.9
Cooling Capacity (BTUs)
Dimensions and Wall Sleeve Compatibility
Noise Level
Most important from
18 reviews
Top 10 Best Through-The-Wall Air Conditioners 2025 in the United States
#1
Winner
10.0 score
LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White
LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White
Cooling Capacity (BTUs): 14000 British Thermal Units
Energy Efficiency Ratio (EER): 9.3
Dimensions and Wall Sleeve Compatibility: 20.1x24x14.4 inches; needs wall sleeve
Noise Level: 58 dB
Additional Features: Remote, filter reminder, dehumidifier, 3 speeds
Chosen by 1241 this week
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat, 230V, AC Wall Unit for Rooms up to 440 Sq.Ft. (18' x 25' Room Size), Perfect for Bedroom, AC with Remote and Auto-Restart, White
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat, 230V, AC Wall Unit for Rooms up to 440 Sq.Ft. (18' x 25' Room Size), Perfect for Bedroom, AC with Remote and Auto-Restart, White
Cooling Capacity (BTUs): 9800
Dimensions and Wall Sleeve Compatibility: 20.09 x 24 x 14.41 inches
Noise Level: 54 dB
Additional Features: Remote Controlled, Filter Light Reminder
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
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
Cooling Capacity (BTUs): 11800
Energy Efficiency Ratio (EER): 10.6
Dimensions and Wall Sleeve Compatibility: 24x20.1x14.4 inches, compatible with most
Noise Level: 66 dB
Additional Features: Remote control, washable filter, insulation foam
LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White
LG 7,800 BTU Through the Wall Air Conditioner, 115V, AC Wall Unit for Rooms up to 330 Sq. Ft., Perfect for Bedroom or Office, Wall Mounted AC Unit with Remote and 3 Cool & Fan Speeds, White
Cooling Capacity (BTUs): 7800
Energy Efficiency Ratio (EER): 10.7
Dimensions and Wall Sleeve Compatibility: 24” W x 20.1” D x 14.4” H
Noise Level: 56 dB
Additional Features: Remote, Filter Light, Dehumidifier, Washable filter
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
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
Cooling Capacity (BTUs): 10000
Energy Efficiency Ratio (EER): 10.7
Dimensions and Wall Sleeve Compatibility: 24 x 20.1 x 14.4 inches
Noise Level: 60 dB
Additional Features: remote control, three cooling speeds
Related Products
Keystone 12,000 BTU Through the Wall Air Conditioner and Dehumidifier, 230V, Quiet Through the Wall AC Unit for Medium Sized Rooms up to 550 Sq.Ft., Perfect for Bedroom, Bathroom, Nursery, with Remote
Keystone 12,000 BTU Through the Wall Air Conditioner and Dehumidifier, 230V, Quiet Through the Wall AC Unit for Medium Sized Rooms up to 550 Sq.Ft., Perfect for Bedroom, Bathroom, Nursery, with Remote
Cooling Capacity (BTUs): 12000 British Thermal Units
Dimensions and Wall Sleeve Compatibility: 20.3"D x 24.2"W x 14.5"H, universal trim
Noise Level: 56.5 dB
Additional Features: Remote, Filter Light, Dehumidifier, Timer
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
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
Cooling Capacity (BTUs): 10000
Energy Efficiency Ratio (EER): 10.6
Dimensions and Wall Sleeve Compatibility: 20.3 x 24.2 x 14.5 inches
Noise Level: 57.4 dB
Additional Features: Remote, Fast Cooling, Dehumidifier, Timer, Smart remote, Trim kit
#10
8.4 score
Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating, 230V, Window and Wall AC Unit for Living Room, Apartment, Large Rooms up to 1000 Sq.Ft.
Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating, 230V, Window and Wall AC Unit for Living Room, Apartment, Large Rooms up to 1000 Sq.Ft.
Cooling Capacity (BTUs): 18800
Dimensions and Wall Sleeve Compatibility: 25.39 x 23.62 x 17.91 inches
Noise Level: 55 dB
Additional Features: Remote Controlled, Filter Light Reminder
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Buying Guide for the Best Through-The-Wall Air Conditioners
Choosing the right through-the-wall air conditioner can make a significant difference in your comfort and energy bills. These units are designed to fit through a hole in an exterior wall, providing a permanent cooling solution without taking up window space. When selecting a through-the-wall air conditioner, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and find a unit that meets your cooling requirements efficiently.Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates the amount of heat an air conditioner can remove from a room per hour. This spec is crucial because it determines how effectively the unit can cool your space. To navigate this, consider the size of the room you need to cool. Small rooms (up to 150 square feet) typically require units with 5,000-6,000 BTUs, medium rooms (150-300 square feet) need 7,000-8,000 BTUs, and large rooms (300-500 square feet) may need 10,000-12,000 BTUs or more. Choose a unit with the appropriate BTU rating for your room size to ensure efficient cooling without wasting energy.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the efficiency of an air conditioner by comparing its cooling capacity to its power consumption. A higher EER indicates a more efficient unit, which can save you money on energy bills. EER values typically range from 8 to 12. For better energy savings, look for units with an EER of 10 or higher. If you prioritize energy efficiency and want to reduce your environmental impact, opt for a unit with a higher EER.
Dimensions and Wall Sleeve CompatibilityThe dimensions of the air conditioner and its compatibility with a wall sleeve are important to ensure a proper fit in your wall opening. Measure the dimensions of your existing wall sleeve or the space where you plan to install the unit. Air conditioners come in various sizes, so it's essential to choose one that fits your wall sleeve or the cutout in your wall. If you're replacing an old unit, check if the new one is compatible with the existing sleeve to avoid additional installation costs.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the air conditioner will be during operation. This is important for maintaining a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels for through-the-wall air conditioners typically range from 50 to 60 dB. For a quieter experience, look for units with lower dB ratings. If you are sensitive to noise or plan to use the unit in a quiet space, prioritize models with lower noise levels.
Additional FeaturesAdditional features can enhance the functionality and convenience of your air conditioner. Common features include remote control, programmable thermostat, sleep mode, and energy-saving mode. These features can make it easier to operate the unit and improve your overall comfort. Consider which features are important to you based on your lifestyle and preferences. For example, a remote control can be convenient if you want to adjust settings from across the room, while a programmable thermostat can help you maintain a consistent temperature without manual adjustments.