We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Thru Wall Ac Units 2025 in the United States
#1
Winner
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
The Keystone 12,000 BTU through-wall air conditioner is designed to cool medium-sized spaces up to 550 square feet, making it suitable for bedrooms, nurseries, or bathrooms. With a solid cooling capacity of 12,000 BTUs, it efficiently manages temperature and includes a built-in dehumidifier that removes about 2.3 pints of moisture per hour, helping improve comfort on humid days. In terms of energy use, it has an Energy Efficiency Ratio (EER) of 10.5, supported by energy-saving modes like 'Energy Saver' and 'Sleep' that help reduce electricity bills without compromising comfort.
Rating
10.0
Chosen by1,260
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
1142 reviews
#2
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
The COSTWAY 12000BTU Mini Split Air Conditioner & Heater is a versatile unit designed for both cooling and heating spaces up to 750 square feet. With a high Seasonal Energy Efficiency Ratio (SEER) of 20.0, it promises excellent energy efficiency, which can lead to lower utility bills. The unit operates relatively quietly at 51 dB, which is generally considered acceptable for residential use, ensuring it won't disrupt your peace and quiet significantly.
Rating
10.0
Noise Level
Installation Requirements
Most important from
1412 reviews
#3
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.
The Keystone 18,800 BTU Window-Wall Air Conditioner is a versatile unit that combines cooling, supplemental heating, dehumidification, and fan circulation, making it suitable for large rooms up to 1,000 square feet. With a cooling capacity of 18,800 BTUs and a supplemental heating capacity of 16,000 BTUs, it can provide comfort year-round. The unit includes a smart remote with an LCD screen that helps maintain the desired room temperature by sending signals to the air conditioner every three minutes. It offers energy-saving modes like 'Energy Saver' and 'Sleep' to help reduce electricity bills, although its SEER rating of 10.7 is relatively average, and it is not Energy Star certified.
Rating
9.9
Cooling Capacity (BTUs)
Noise Level
Additional Features
Most important from
369 reviews
Top 10 Best Thru Wall Ac Units 2025 in the United States
#1
Winner
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): 12,000 BTUs
Energy Efficiency Ratio (EER): 10.5
Noise Level: 56.5 dB
Installation Requirements: Wall-mounted, trim kit, may need help
Additional Features: Remote, filter light, dehumidifier, timer
Chosen by 1260 this week
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
Cooling Capacity (BTUs): 12000
Energy Efficiency Ratio (EER): 10
Noise Level: 51 dB
Installation Requirements: Licensed HVAC installer required
Additional Features: Inverter Compressor, Energy Efficient, ECO mode
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
Noise Level: 55 dB
Installation Requirements: window installation kit
Additional Features: Remote Controlled, Filter Light Reminder
Keystone 14,000 BTU Wall Mounted Air Conditioner with Supplemental Heat and Dehumidifier Function, 230V, Wall AC for Living Room and Large Rooms up to 700 Sq.Ft., Quiet, High Efficiency AC with Remote
Keystone 14,000 BTU Wall Mounted Air Conditioner with Supplemental Heat and Dehumidifier Function, 230V, Wall AC for Living Room and Large Rooms up to 700 Sq.Ft., Quiet, High Efficiency AC with Remote
Cooling Capacity (BTUs): 14000
Noise Level: 61.5 dB
Installation Requirements: 230-volt/20-amp outlet
Additional Features: Remote Controlled, Filter Light, Heating, Fast Cooling, Dehumidifier
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
Noise Level: 57.4 dB
Installation Requirements: universal trim kit
Additional Features: Remote Controlled, Fast Cooling, Dehumidifier
Related Products
Up to 12% off
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
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
Cooling Capacity (BTUs): 18000
Energy Efficiency Ratio (EER): 11.8
Noise Level: 54.5 dB
Installation Requirements: Sleeve, mounting hardware included; pro help
Additional Features: Remote, timer, sleep, energy saver modes
Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 115/120V, White (10,000)
Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 115/120V, White (10,000)
Cooling Capacity (BTUs): 10000 British Thermal Units
Noise Level: 50.2 dB
Installation Requirements: Through wall, proper opening, pro help
Additional Features: Auto restart, dust filter, remote control
ROVSUN 11500 BTU Wifi Enabled Mini Split Air Conditioner & Heater, 17 SEER2 115V Inverter Ductless Wall AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit
ROVSUN 11500 BTU Wifi Enabled Mini Split Air Conditioner & Heater, 17 SEER2 115V Inverter Ductless Wall AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit
Cooling Capacity (BTUs): 11500
Noise Level: 29 dBA
Installation Requirements: Professional installation required
Additional Features: WiFi, Remote control, Auto defrost, Timer, ECO, Sleep
Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 208/230V, White (10,000 BTU)
Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 208/230V, White (10,000 BTU)
Cooling Capacity (BTUs): 12000
Noise Level: 57.5 dB
Installation Requirements: Through-the-wall, 208-230V, pro install
Additional Features: Auto restart, Dust filter, Remote control
#10
Frigidaire 12000 BTU Cooling Built-In Room Wall Air Conditioner with Air Ionizer, Washable Filter, and Remote Control (White)
Frigidaire 12000 BTU Cooling Built-In Room Wall Air Conditioner with Air Ionizer, Washable Filter, and Remote Control (White)
Cooling Capacity (BTUs): 12000 British Thermal Units
Noise Level: 61 dB
Installation Requirements: Wall opening and mounting
Additional Features: multi-speed fan, air ionizer, filter, remote
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Thru Wall Ac Units
When choosing a thru-wall air conditioning unit, it's important to consider several key specifications to ensure you select the best fit for your needs. Thru-wall AC units are designed to be installed through an exterior wall, providing a permanent cooling solution for a specific room or area. Understanding the key specs will help you make an informed decision and ensure you get the most efficient and effective unit for your space.Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates the amount of heat the unit can remove from a room per hour. This spec is crucial because it determines how effectively the unit can cool your space. Units with lower BTUs (5,000-8,000) are suitable for small rooms up to 350 square feet, while medium-sized rooms (350-550 square feet) require units with 8,000-12,000 BTUs. Larger rooms (550-1,000 square feet) need units with 12,000-18,000 BTUs. To pick the right one, match the BTU rating to the size of the room you want to cool.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the unit's cooling efficiency by comparing the BTUs to the power consumption in watts. A higher EER indicates a more energy-efficient unit, which can save you money on electricity bills. EER ratings typically range from 8 to 12. For better energy savings, look for units with an EER of 10 or higher. Consider your usage patterns and energy costs when choosing the right EER for your needs.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the unit will be when operating. This is important for maintaining a comfortable environment, especially in bedrooms or living areas. Units with noise levels below 50 dB are considered quiet, while those between 50-60 dB are moderate. Units above 60 dB may be too loud for some users. Choose a unit with a noise level that suits your comfort preferences and the room's purpose.
Installation RequirementsThru-wall AC units require a specific wall opening for installation, which can vary in size. It's important to measure the wall space and ensure it can accommodate the unit's dimensions. Some units come with a sleeve for easier installation, while others may require additional framing. Consider the installation complexity and whether you need professional help. Ensure the unit fits your wall space and that you have the necessary tools and skills for installation.
Additional FeaturesAdditional features can enhance the functionality and convenience of your thru-wall AC unit. Common features include remote control, programmable thermostat, sleep mode, and energy-saving mode. These features can improve comfort and efficiency. Think about which features are important to you, such as ease of use, energy savings, or specific cooling modes, and choose a unit that offers the features that best meet your needs.