10 Best Wall Air Conditioners Reviewed as of June 2023

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LG 9,800 Wall Air Conditioner for Rooms up to 440 Sq. Ft. with Remote, Energy Star Rating, 3 Cool & Fan Speeds, and Universal Design That Fits Most Sleeves, 10000 BTU, White

Large-Scale Cooling and Heating: With a 9.3 energy efficiency ratio (EER), this 14,000 BTU through the wall air conditioner can effectively cool rooms up to 700 sq. ft and dehumidify up to 2.9 pints per hour. (Not suitable for window installation).
230-Volt/20-Amp Electrical Outlet Required: This air conditioner has a 6.5ft power cord with a NEMA 6-20P grounding plug that will not fit a standard 115V electrical outlet.
Temperature Sensing Follow Me Remote Control: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The integrated thermostat signals the AC to cool the space based on where you are.
Front-Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place. No hassle and no disassembly required.
Guaranteed Fit: This air conditioner will fit in your existing 24.5” to 27” sleeve. We guarantee it. At 20.3” D x 24.2” W x 14.5” H, we provide the foam seals and installation kit necessary to retrofit your existing sleeve.

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 & Installation Kit

❄️【Energy Efficient Cooling & Heating:】Equipped with a high power compressor and 1 ton heat pump, this split AC unit allows you to enjoy the convenience of cooling in summer and warming in winter. Besides, with an innovative inverter technology, the air conditioner changes the power supply frequency without frequently turning the compressor on and off, so as to reduce power consumption and prolong the service life of the equipment.
❄️【5 Modes for All-Year Comfort:】This 12000 BTU split-system AC unit has 5 working modes for you to choose from: auto, cool, dry, heat and fan mode. In addition, this split air conditioner also comes with 4 available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL & turbo function to meet various needs.
❄️【Easy Control & Quiet Operation:】The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
❄️【Self Cleaning & Auto Defrost:】Designed with a self-cleaning function at high temperature of 134.6℉and a washable filter, this split air conditioner can automatically clean its interior and keep the air in your home fresh and clean. Moreover, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
❄️ 【Wide Application & Separate Delivery:】This powerful and energy-saving split air conditioner is perfect for home, office, business or commercial use. Due to the large size, the AC unit will be shipped in 2 separate boxes and the delivery time may vary per box. If you just receive one package or you have any problems with the product, please contact us at any time.

Cooper&Hunter 15,000 BTU (1.25 Ton) High Efficiency PTAC Packaged Terminal Air Conditioner With Heat Pump PTHP Heating And Cooling With Electric Cord

Cooper&Hunter 14,700/14,500 BTU/h Packaged Terminal Unit Heat Pump with Cooling (Dehumidifier) + 13,500/13,200 Heat Pump Heating Capacity – 10,900/8,900 BTU/h Electric Heater Capacity – Perfect for residential/commercial/hotel use
Pre-Charged with R-410A Refrigerant Type, 6.5' Power Cord Included
Wall sleeve and grille are required for the new installation but not included and sold separately.
Standard Sizing - 42” Width x 21” Deep x 16” Height allowing you to replace your old PTAC while using existing standard wall sleeve and grille
7 year limited warranty on compressor, 5 year limited warranty on parts

Keystone 12,000 BTU 115V Energy Star Through-The-Wall Air Conditioner, Cools Rooms Up to 550 Sq. Ft., with Follow Me LCD Remote Control, Dehumidifier, Sleep Mode, and 24H Timer

Energy Star Rated: With a 10.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft and dehumidify up to 2.5 pints per hour. Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms. (Product is not suitable for window installation).
Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.
Front Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean. An easy clean washable and reusable mesh filter makes maintenance hassle free. The unit will alert you through the Check Filter signal when it is time to clean.
Custom Cooling: While there are 3 cooling modes and 3 fan speeds pre-programmed, you have flexibility. The Auto option will automatically ramp up and down the fan speed to keep you’re 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. This AC unit is ideal for climate control in your home, apartment, bedroom, or living room.
Universal Fit: This air conditioner will fit in your existing 24. 5” to 27” durable sleeve. We guarantee it. At 20. 3” D x 24. 2” W x 14. 5” H, we provide the foam seals and installation kit necessary to retrofit your existing sleeve. If you don’t have a sleeve, the matching Keystone KSTSLV1 is also available for purchase (sold separately), which allows for an easy, sturdy installation. 7-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical outlet

Keystone 18,000 BTU 230V Window-Wall Air Conditioner & 16,000 BTU Heater with Smart Remote Control, Window AC and Heater with Dehumidifier Function for Large Rooms up to 1,000 Sq.Ft.

HEAT/COOL AIR CONDITIONER: 18,500 BTU cooling capacity / 16,000 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.
POWERFUL HEATING OPTION: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.
FUNCTIONALITY: Designed for a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air
EASY TO INSALL: with removable chassis for easy window and wall installation.
Special 230-volt/25-amp electrical outlet required (Unit will not work with a standard 115V outlet).

Koldfront WTC12002WCO115V 12,000 BTU 115V Through The Wall Air Conditioner - Cool Only

PLEASE NOTE: This product does not ship to California. It is not approved by the California Energy Commission (CEC) for sale in California.
12,000 BTU cooling; Coverage area 450-550 square feet; EER 10.5; Remote control included; Input Voltage: 115 V/60 Hz
Temperature Range: 62° F - 86° F; Sleep mode; 24 hour timer; Energy saver feature; Control panel with digital display
Dimensions: 14.5" H x 24.2" W x 20.3" D; Weight 77.2 lbs; Dehumidifier function; Power cord length 6 1/2 ft
Compatible with the Koldfront wall air conditioner sleeve (WTCSLV) sold separately

Whirlpool WHAT121-HAW 12,000 230V Through-The-Wall Air Conditioner and Heater for Rooms up to 550 Sq.Ft. with Remote Control, Digital Display, and 24H Timer, 12000 BTU, White

Exceptional Cooling and Heating: This powerful through the wall air conditioner provides 12,000 BTUs of cooling power and 10,600 BTUs of heating power, and is best for spaces up to 550 sq. ft (not suitable for window installation). **PLEASE NOTE** An attached, 4.8ft plug will fit any 230V/20A electrical outlet, but will not operate with a standard 115V household electrical outlet.
Cooling and Heating Flexibility: With 8-way directional louvers, 3 cooling fan speeds, 3 heating speeds, 4 operation modes, and a temperature setting range of 62-86 degrees, you can customize your year-round comfort to fit your specific needs. On-board electronic controls are supplemented by a convenient remote control, and an integrated, programmable 24-hour timer completes the customization options.
Universal Fit Size: There is no need to worry about if your new Whirlpool air conditioner will fit in your existing sleeve. With dimensions of 20.3” D x 24.2” W x 14.5” H, the Whirlpool Through the Wall fits into sleeves 24.5”-27” wide and comes with a trim kit and rear grille to finish off the look.
Eco and Sleep Function: Nothing is better than a lower electric bill. The Eco Function and the Sleep Function save you money throughout the day and night while keeping you cool. Eco Mode conserves energy by turning off the compressor when your desired room temperature is reached. Sleep Mode adjusts the temperature and fan speed to make you more comfortable, using less energy without disturbing your sleep.
Easy Remove Filter: No need to take apart the unit to reach the filter. The Whirlpool AC unit features a quick-access filter for easy cleaning. Just pull the front handle on the unit, wipe the filter clean, and push back into the unit.

Friedrich CCW18B30A Chill Premier Smart Air Conditioner Wall & Window Unit, WiFi Mobile Control, White, Cooling Capacity (18,000 BTU)

SMART WIFI CONTROL – Home or away, you’re in charge with the Friedrich Go App. Integrated Wi-Fi control from your smartphone and voice command compatibility make this fan efficient and easy to use. Sync your unit with Amazon Alexa or Google Home for ultimate convenience.
QUIET YET POWERFUL – Running up to 25% quieter than other units on the market, this air conditioner is constructed with heavy-duty insulation and sheet metal casing for optimal sound absorption. Compatible with windows and walls, this powerful unit cools spaces quickly and quietly.
EASY INSTALLATION – Chill Premier CCW models are designed with a slideout chassis for more permanent installation and easier access for maintenance. Easily mount it in your window or replace an old in-wall unit. Standard window installation hardware is included. Height: 18 Width: 23 ⅞ Depth: 25
CLEAN AIR & SUSTAINABLE DESIGN – Breathe easy with the Chill Premier unit. Safe for your family and the environment, this Energy STAR model comes with a washable air filter and uses eco-friendly R-410A refrigerant. Simply check the filter alert to maintain fresh, clean air in your home.
ONE FAN, THREE FUNCTIONS – The perfect temperature is just a click away with the all-new WiFi-compatible, three-function Chill Premier Smart Air Conditioner. Designed with three cooling and fan-only speeds, eight-way airflow command, and unique sleep and Money Saver settings, this quiet unit brings the best of comfort and control.

Koldfront WTC8001W 8,000 BTU Through The Wall Air Conditioner with 3500 BTU Heater

PLEASE NOTE: This product does not ship to California. It is not approved by the California Energy Commission (CEC) for sale in California.
8,000 BTU cooling - 890 W/7.8A; 4,200 BTU heating - 1320W/12.0A Dimensions: 14.5" H x 24.2" W x 20.3" D
300-350 sq. ft. coverage area; Remote control included; 2 year warranty
4-way air directional louvers; Three (3) fan speeds; Four (4) operation modes
Compatible with the Koldfront wall air conditioner sleeve (WTCSLV) sold separately; to purchase with the sleeve see model WTC8001WKIT

Keystone 18,000 BTU 230V Energy Star Window/Wall Air Conditioner, Cools Rooms Up to 1,000 Sq. Ft, with Follow Me Remote Control, Energy Saver and Sleep Mode, and Auto-Restart

Quick to Cool: The 18,000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living room, or any environment!
Functionality: Cools a room up to 1,000 sq. ft. with dehumidification up to 3.8 pints per hour.
Temperature Sensing “Follow Me” Remote Control: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.
Energy Star Rated Cooling: Energy Star efficiency saves you money on your electric bill (12.1 EER).
Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).

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