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Best 12000 btu through wall air conditioners - April 2026

Last Updated - April 2, 2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

OLMO

OLMO TTW 12,000 btu 230V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, (Heating and Cooling) (R32 Refrigerant)…

OLMO

$684.99

More Details
Main highlights
- wall sleeve is not included in the listing and has to be purchased additionally.
- This system is designed for 208/230V,1Ph,60Hz, charged with R-32 refrigerant, please verify if you have a right receptacle before placing the order.
- This Heating and Cooling Through-the-wall unit can be controlled using standard digital push button control panel with LED display, included remote controller, or a compatible wireless smartphone device.
- Olmo Through-the-wall air conditioner & heater (cooling & heating) (SKU: OW-P12HS230WF) with 12,000/11,700 BTU/h Cooling capacity, 10,600/8,600 BTU/h Heating capacity – Perfect for residential/commercial/hotel use
$684.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Frigidaire

Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 115/120V, White (12,000)

Frigidaire

$649.95

More Details
Main highlights
- Washable Filter: Easy-to-clean mesh filter captures dust from the air to keep your unit running efficiently.
- Wall-Mounted Design: Built for through-the-wall installation (not suitable for window use); includes a slide-out chassis for easy installation and maintenance.
- Programmable Timer: 24-hour on/off timer with Sleep Mode for convenience and comfort.
- Powerful Cooling: Delivers 12,000 BTUs of cooling power—ideal for rooms up to 550 square feet.
- Multiple Fan Speeds – Customize airflow with three cooling and fan speed settings.
- Dimensions – 14.5" (H) x 24" (W) x 21.5" (D); designed to fit most wall-mounted air conditioner spaces.
- Auto Restart – Unit automatically resumes operation after power interruptions with previous settings.
$649.95
3
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

Whirlpool

$599.99

$649.99
(8% Off)

More Details
Main highlights
- 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
- 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
- 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
- Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, and 4 operation modes you can customize your cooling to fit your specific needs
- 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
$599.99
$649.99 (8% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

Frigidaire

$628.00

More Details
Main highlights
- 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
- 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
- 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
- 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
- 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
$628.00
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Keystone

Keystone 12,000 BTU Wall Mounted AC Unit and Dehumidifier, 115V, Wall Unit for Bedroom, Bathroom, Nursery, and Medium Sized Rooms up to 550 Sq.Ft., AC Wall Unit with Remote, Quiet, High Efficiency AC

Keystone

$599.99

More Details
Main highlights
- Space Saving Design: Keep your window view and floor space with this wall air conditioner; Easy installation with standard universal interior trim kit
- Smart Remote Control: The remote control takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your wall unit ac every 3 minutes for accurate cooling
- Reliable AC Wall Unit: Our powerful 12,000 BTU wall mounted ac unit is what you need to efficiently cool your apartment, bedroom, bathroom, or any small to medium sized living space up to 550 Sq.Ft.
- 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; These features automatically program your unit to use less energy
- Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 2.5 pints of moisture from the air is removed every hour with the built-in dehumidification system
$599.99

Best 12000 btu through wall air conditioners - April 2026

OLMO TTW 12,000 btu 230V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, (Heating and Cooling) (R32 Refrigerant)…

Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 115/120V, White (12,000)

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

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

Keystone 12,000 BTU Wall Mounted AC Unit and Dehumidifier, 115V, Wall Unit for Bedroom, Bathroom, Nursery, and Medium Sized Rooms up to 550 Sq.Ft., AC Wall Unit with Remote, Quiet, High Efficiency AC

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