What is the purpose of a window air conditioner?

A window air conditioner is used to cool a single room by expelling hot air outside and blowing cool air inside.

What should I consider when buying a window air conditioner?

Consider the size of your room, the size of the window, the BTU rating, energy efficiency, and additional features like a remote control or a timer.

Can a window air conditioner heat a room as well?

Yes, some models have a heating function, but not all.

Are window air conditioners energy efficient?

The efficiency varies by model, but look for units with an Energy Star rating for better efficiency.

Can I install a window air conditioner myself?

Yes, most window air conditioners are designed for do-it-yourself installation, but always follow the manufacturer's instructions.

June 4, 2026

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10 Best window air conditioners of 2026

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Best Choice

1

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LG
9.9
Exceptional
LG 14,000 BTU DUAL Inverter Smart Window Air Conditioner, 115V, Cools 800 Sq. Ft. for Bedroom, Living Room, Apartment, Quiet Operation, ENERGY STAR®, works with LG ThinQ, Amazon Alexa and Hey Google
- ENERGY STAR:Yes
- Smart Features:LG ThinQ, Amazon Alexa, Hey Google compatibility
- BTU:14,000
- Cord Length:72 inches
- Inverter Technology:DUAL Inverter
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Value for Money

2

Profile
9.7
Exceptional

GE Profile ClearView Inverter Window Air Conditioner Unit, 12,200 BTU, Energy Efficient Cooling up to 550 sq ft., Ultra Quiet, SMART Home Capable, Includes Remote, White
3

Midea
9.6
Exceptional

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Operation - Alexa/Google Assistant Compatible, 37% Energy Savings, Remote (2026 Edition)
4

Towallmark
9.5
Excellent

8000 BTU Window Air Conditioner Cools Up to 350 Sq. Ft., 3-In-1 WiFi Window AC Unit With Remote Control and Window Kit, Quiet Smart Room Air Conditioner for Home Office Dorms
5

LG
9.4
Excellent

LG 8,000 Window Air Conditioner, 115V, 350 Sq.Ft. (14' x 25' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, 8000 BTU, White
See Today’s Deals & Prices
6

TCL
9.1
Excellent

TCL 8000 BTU Smart Window Air Conditioner, Compact Quiet Energy Efficient AC Unit, Fan & Dehumidifier, Rooms Up To 350 Sq. Ft., Remote Control, Works with Alexa, Google Assistant & TCL Home App
7

LG
8.9
Very Good

LG 6,000 BTU Window Air Conditioner, 115V, Cools 250 Sq.Ft. for Bedroom, Den, Living Room, Quiet Operation, with Remote, 2 Cooling & Fan Speeds, 2-Way Air Deflection, Auto Restart, White

15% Off
8

Frigidaire
8.8
Very Good

Frigidaire FHWW144TF1 Smart Window Air Conditioner, 14000 BTU

25% Off
9

hykolity
8.7
Very Good

8,000 BTU WiFi Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 350 Square Feet

24% Off
10

hykolity
8.5
Good

WiFi Enabled 12,000 BTU Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 550 Square Feet

20% Off

Frequently Asked Questions

What is the purpose of a window air conditioner?
A window air conditioner is used to cool a single room by expelling hot air outside and blowing cool air inside.

What should I consider when buying a window air conditioner?
Consider the size of your room, the size of the window, the BTU rating, energy efficiency, and additional features like a remote control or a timer.

Can a window air conditioner heat a room as well?
Yes, some models have a heating function, but not all.

Are window air conditioners energy efficient?
The efficiency varies by model, but look for units with an Energy Star rating for better efficiency.

Can I install a window air conditioner myself?
Yes, most window air conditioners are designed for do-it-yourself installation, but always follow the manufacturer's instructions.

10 Best window air conditioners of 2026

1

LG 14,000 BTU DUAL Inverter Smart Window Air Conditioner, 115V, Cools 800 Sq. Ft. for Bedroom, Living Room, Apartment, Quiet Operation, ENERGY STAR®, works with LG ThinQ, Amazon Alexa and Hey Google

How do we rank?

2

GE Profile ClearView Inverter Window Air Conditioner Unit, 12,200 BTU, Energy Efficient Cooling up to 550 sq ft., Ultra Quiet, SMART Home Capable, Includes Remote, White

3

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Operation - Alexa/Google Assistant Compatible, 37% Energy Savings, Remote (2026 Edition)

4

8000 BTU Window Air Conditioner Cools Up to 350 Sq. Ft., 3-In-1 WiFi Window AC Unit With Remote Control and Window Kit, Quiet Smart Room Air Conditioner for Home Office Dorms

5

LG 8,000 Window Air Conditioner, 115V, 350 Sq.Ft. (14' x 25' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, 8000 BTU, White

6

TCL 8000 BTU Smart Window Air Conditioner, Compact Quiet Energy Efficient AC Unit, Fan & Dehumidifier, Rooms Up To 350 Sq. Ft., Remote Control, Works with Alexa, Google Assistant & TCL Home App

7

LG 6,000 BTU Window Air Conditioner, 115V, Cools 250 Sq.Ft. for Bedroom, Den, Living Room, Quiet Operation, with Remote, 2 Cooling & Fan Speeds, 2-Way Air Deflection, Auto Restart, White

8

Frigidaire FHWW144TF1 Smart Window Air Conditioner, 14000 BTU

9

8,000 BTU WiFi Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 350 Square Feet

10

WiFi Enabled 12,000 BTU Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 550 Square Feet

Frequently Asked Questions

Similar products on Amazon

Amazon Basics 5000-BTU Window Air Conditioner with Quiet Operation, Up to 150 Sqf, Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Intuitive Mechanical Controls, for Small Room, White

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 150 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

Midea 5,000 BTU Window Air Conditioner, Cools up to 150 Sq. Ft. with Easy-to-Use Reusable Filter, Remote, Perfect AC for Bedroom, Living Room, Home Office, Electronic Control

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office

ACHAZEL 6000 BTU Window Air Conditioner with WiFi, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 250 Square Feet

GE 5,000 BTU Window Air Conditioner, Black Compact AC Unit for Small Rooms up to 150 Sq Ft, Mechanical Controls, 115V, Easy Install Kit Included

LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023

TCL 5000 BTU Window Air Conditioner, Compact Energy Efficient AC Unit with Fan & Reusable Filter for Bedroom, Living Room, Garage, Other Rooms Up To 150 Sq. Ft.

ZAFRO 5000BTU Window Air Conditioners Cool Up to 150 Sq Ft,Quiet Operation Window AC Unit with 2 Cool&Fan Functions,Easy to Use Mechanical Control,Washable Filter,Easy Install Kit,for Small Room,White

10 Best window air conditioners of 2026

1

LG 14,000 BTU DUAL Inverter Smart Window Air Conditioner, 115V, Cools 800 Sq. Ft. for Bedroom, Living Room, Apartment, Quiet Operation, ENERGY STAR®, works with LG ThinQ, Amazon Alexa and Hey Google

How do we rank?

2

GE Profile ClearView Inverter Window Air Conditioner Unit, 12,200 BTU, Energy Efficient Cooling up to 550 sq ft., Ultra Quiet, SMART Home Capable, Includes Remote, White

3

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Operation - Alexa/Google Assistant Compatible, 37% Energy Savings, Remote (2026 Edition)

4

8000 BTU Window Air Conditioner Cools Up to 350 Sq. Ft., 3-In-1 WiFi Window AC Unit With Remote Control and Window Kit, Quiet Smart Room Air Conditioner for Home Office Dorms

5

LG 8,000 Window Air Conditioner, 115V, 350 Sq.Ft. (14' x 25' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, 8000 BTU, White

6

TCL 8000 BTU Smart Window Air Conditioner, Compact Quiet Energy Efficient AC Unit, Fan & Dehumidifier, Rooms Up To 350 Sq. Ft., Remote Control, Works with Alexa, Google Assistant & TCL Home App

7

LG 6,000 BTU Window Air Conditioner, 115V, Cools 250 Sq.Ft. for Bedroom, Den, Living Room, Quiet Operation, with Remote, 2 Cooling & Fan Speeds, 2-Way Air Deflection, Auto Restart, White

8

Frigidaire FHWW144TF1 Smart Window Air Conditioner, 14000 BTU

9

8,000 BTU WiFi Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 350 Square Feet

10

WiFi Enabled 12,000 BTU Window Air Conditioner, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 550 Square Feet

Frequently Asked Questions

Similar products on Amazon

Amazon Basics 5000-BTU Window Air Conditioner with Quiet Operation, Up to 150 Sqf, Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Intuitive Mechanical Controls, for Small Room, White

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 150 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

Midea 5,000 BTU Window Air Conditioner, Cools up to 150 Sq. Ft. with Easy-to-Use Reusable Filter, Remote, Perfect AC for Bedroom, Living Room, Home Office, Electronic Control

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office

ACHAZEL 6000 BTU Window Air Conditioner with WiFi, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 250 Square Feet

GE 5,000 BTU Window Air Conditioner, Black Compact AC Unit for Small Rooms up to 150 Sq Ft, Mechanical Controls, 115V, Easy Install Kit Included

LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023

TCL 5000 BTU Window Air Conditioner, Compact Energy Efficient AC Unit with Fan & Reusable Filter for Bedroom, Living Room, Garage, Other Rooms Up To 150 Sq. Ft.

ZAFRO 5000BTU Window Air Conditioners Cool Up to 150 Sq Ft,Quiet Operation Window AC Unit with 2 Cool&Fan Functions,Easy to Use Mechanical Control,Washable Filter,Easy Install Kit,for Small Room,White

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