Updated: 16 Feb 2025

quietest through the wall air conditioners 2021

Explore up to 22% Off

Updated: 16 Feb 2025

#1

Best Choice
Friedrich Uni-Fit 8,000 BTU Smart Through-The-Wall Earth Friendly Air Conditioner Heater Unit Combo - Quiet Master Technology

9.7

Friedrich

-12%

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Main highlights

SMART CONNECTIVITY - Stay in control from anywhere with WiFi-enabled features, allowing you to adjust settings effortlessly via your smartphone or smart home system.

SEAMLESS INSTALLATION - Effortlessly mount our Through-the-Wall Air Conditioners for a quick and hassle-free setup.

QUIET OPERATION - With QuietMaster Technology, enjoy the quietest BTU units available.

-12%
#2

Value for Money
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

9.6

LG

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Why we love it

Versatile heating and cooling options.

User-friendly digital controls.

Ideal for medium-sized rooms.

Main highlights

Efficient Climate Control
Features supplemental heat and multiple fan speeds for tailored comfort.

Perfect for Medium Rooms
Designed for spaces up to 440 sq. ft., ideal for bedrooms or offices.

User-Friendly Controls
Praised for its easy-to-use digital panel and remote.
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#3
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

9.4

LG

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Why we love it

Cooling power 10,000 BTU

Remote control full featured

Easy to use LED display, simple selection control

Main highlights

Key Features and Benefits
Energy-efficient R-32 refrigerant with EER 10.7, three cooling speeds, and modes, including Energy Saver and Dry mode, for optimal climate control.

Ideal Use Cases
Perfect for through-the-wall installation in rooms up to 440 square feet, offering efficient cooling and humidity control.

Customer Reviews Highlight
Most praised for its efficient cooling performance and energy-saving capabilities, making it both cost-effective and environmentally friendly.
#4
OLMO TTW 12,000 btu 230V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, (Heating and Cooling) (R32 Refrigerant)…

9.1

OLMO

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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.

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
#5
Whirlpool 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 450 Sq. Ft. for Living Room, Bedroom, Kitchen with Dehumidifier and Remote Control, White

8.9

Whirlpool

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Main highlights

Universal Fit Size: With dimensions of 20.3” D x 24.2” W x 14.5” H, this ac wall unit 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 and efficient 10,000 BTU wall mounted ac unit is best for spaces up to 450 square feet with an attached, 5.9-ft LCDI 3-prong plug that will fit any 115V electrical outlet

Cooling Flexibility: With 8-way directional louvers, 3 fan speeds, 4 operation modes, and a temperature setting range of 62-86 degrees, you can customize your cooling to fit your specific needs
#6
LG 9,800 BTU Through-the-Wall Air Conditioner, Cools 450 Sq.Ft. (18' x 25' Room Size), Electronic Control with Remote, 2 Cooling & Fan Speeds, 4-Way Air Deflection, Supplemental Heat, 230/208V

8.8

LG

-22%

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Why we love it

Efficient cooling and heating.

Fits existing wall sleeves.

User-friendly remote control.

Main highlights

Versatile Climate Control
Offers cooling, heating, and dehumidifying with multiple fan speeds for tailored comfort.

Ideal for Medium Rooms
Perfect for cooling spaces up to 450 sq. ft., fitting wall sleeves easily.

Convenient Remote Operation
Customers praise the easy-to-use remote control for nighttime adjustments.

-22%
#7
OLMO 12,000 btu 115V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, Cooling Only (R32 Refrigerant) Wall Sleeve Included…

8.7

OLMO

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Main highlights

Wall sleeve comes included!

This system is designed for 115V,1Ph,60Hz, charged with R-32 refrigerant, please verify if you have a right receptacle before placing the order.

Olmo Through-the-wall air conditioner (cooling only) (SKU: OW-P12AC115WF) with 12,000 BTU/h Cooling capacity– Perfect for residential/commercial/hotel use
#8
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.

8.6

Keystone

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Why we love it

Efficient cooling for large spaces.

Includes smart remote for precise temperature control.

Energy-saving modes available.

Main highlights

Powerful Cooling and Heating
18,000 BTU cooling and 16,000 BTU heating for year-round comfort.

Ideal for Large Spaces
Perfect for rooms up to 1,000 Sq.Ft. with versatile installation.

Praised Cooling Efficiency
Customers appreciate its effective cooling performance and quiet operation.
#9
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

8.5

Keystone

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Why we love it

Energy efficient cooling

Thermostat remote control

Easy filter access

Main highlights

Key Features
Efficient 10,000 BTU cooling, 3 modes, dehumidifies 2.3 pints/hr, smart remote control, energy-saving. Ideal for spaces up to 450 Sq.Ft.

Ideal Use Cases
Perfect for apartments, bedrooms, and medium-sized rooms where space-saving and efficient cooling are needed without blocking window views.

Customer Praise
Most reviews highlight its easy installation, effective cooling, and the smart remote`s convenience as top benefits.
#10
Keystone KSTAT12-1C 12,000 115V Mounted Air Conditioner & Dehumidifier with Remote Control-Quiet Wall AC Unit for Bedroom, Bathroom, Nursery, Medium Sized Rooms up to 550 Sq.Ft, 12000 BTU, White

8.3

KEYSTONE

-10%

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Why we love it

Efficiently cools spaces up to 350 Sq.Ft.

Smart remote ensures accurate room temperature control.

Energy-saving modes reduce electricity costs.

Main highlights

Efficient Cooling and Dehumidification
The 8,000 BTU unit can cool spaces up to 350 Sq.Ft. and removes 2.1 pints of moisture per hour with a built-in dehumidification system.

Perfect for Small to Medium Spaces
Ideal for cooling apartments, bedrooms, and bathrooms, this through-the-wall air conditioner is designed to save space and maintain window views.

Highly Praised Remote Control
Customers appreciate the 'follow me' feature of the remote, which ensures accurate temperature control based on the user's location in the room.

-10%

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quietest through the wall air conditioners 2021

Friedrich Uni-Fit 8,000 BTU Smart Through-The-Wall Earth Friendly Air Conditioner Heater Unit Combo - Quiet Master Technology

9.7

Main highlights

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

9.6

Why we love it

Main highlights

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

9.4

Why we love it

Main highlights

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

9.1

Main highlights

Whirlpool 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 450 Sq. Ft. for Living Room, Bedroom, Kitchen with Dehumidifier and Remote Control, White

8.9

Main highlights

LG 9,800 BTU Through-the-Wall Air Conditioner, Cools 450 Sq.Ft. (18' x 25' Room Size), Electronic Control with Remote, 2 Cooling & Fan Speeds, 4-Way Air Deflection, Supplemental Heat, 230/208V

8.8

Why we love it

Main highlights

OLMO 12,000 btu 115V Through-the-Wall Air Conditioner with Remote Control and built in Smart Kit, Cooling Only (R32 Refrigerant) Wall Sleeve Included…

8.7

Main highlights

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.

8.6

Why we love it

Main highlights

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

8.5

Why we love it

Main highlights

Keystone KSTAT12-1C 12,000 115V Mounted Air Conditioner & Dehumidifier with Remote Control-Quiet Wall AC Unit for Bedroom, Bathroom, Nursery, Medium Sized Rooms up to 550 Sq.Ft, 12000 BTU, White

8.3

Why we love it

Main highlights

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