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10 Best energy efficient air conditioners of 2025

Save up to 26% off
  • Best Choice

    1

    BLACK+DECKER 8,000 BTU Portable Air Conditioner for Rooms up to 350 Sq. with Remote Control, White
    Clicked 2,082 times in the last week
    BLACK+DECKER

    BLACK+DECKER 8,000 BTU Portable Air Conditioner for Rooms up to 350 Sq. with Remote Control, White

    • floor area:350 sq. ft.
    • special features:Dehumidifier & fan
    • noise level:54 dB
    • voltage:115 Volts
    • cooling capacity:4,100 BTU DOE
    9.9
    Exceptional
    Our Rating
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  • Value for Money

    2

    Portable Air Conditioners, 10000 BTU Air Conditioner Portable for Room up to 450 Sq. Ft., 3-in-1 Portable AC Unit with Digital Display, Remote Control, Window Installation Kit, 24H Timer, Sleep Mode
    GINOST

    Portable Air Conditioners, 10000 BTU Air Conditioner Portable for Room up to 450 Sq. Ft., 3-in-1 Portable AC Unit with Digital Display, Remote Control, Window Installation Kit, 24H Timer, Sleep Mode

    26% Off
    9.8
    Exceptional

  • 3

    GE Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to 150 sq ft. with Manual Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White
    GE

    GE Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to 150 sq ft. with Manual Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White

    • floor area:150 Square Feet
    • installation:EZ Mount installation kit
    • noise:56 dB
    • special features:2 cooling modes
    • voltage:115 Volts
    9.7
    Exceptional

  • 4

    Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White
    Frigidaire

    Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

    9.4
    Excellent
    Our Rating

  • 5

    Frigidaire 6,000 BTU Window Air Conditioner & Dehumidifier, 115V, Cools up to 250 Sq. Ft. for Apartment, Dorm Room & Small/Medium Rooms, with Remote Control, Programmable Timer, and Sleep Mode, White
    Frigidaire

    Frigidaire 6,000 BTU Window Air Conditioner & Dehumidifier, 115V, Cools up to 250 Sq. Ft. for Apartment, Dorm Room & Small/Medium Rooms, with Remote Control, Programmable Timer, and Sleep Mode, White

    24% Off
    9.3
    Excellent
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  • 6

    Midea MAW05R1BWT-A 5K Window Air Conditioner, Cools up to 150 Sq. Ft. with Easy-to-Use Reusable Filter, Remote, Perfect AC for Bedroom, Living Room, Home Office, 5,000 BTU, Electronic Control
    Midea

    Midea MAW05R1BWT-A 5K Window Air Conditioner, Cools up to 150 Sq. Ft. with Easy-to-Use Reusable Filter, Remote, Perfect AC for Bedroom, Living Room, Home Office, 5,000 BTU, Electronic Control

    16% Off
    9.2
    Excellent

  • 7

    Hisense WC05R25A Window Air Conditioner, 5,000 BTU, White
    Hisense

    Hisense WC05R25A Window Air Conditioner, 5,000 BTU, White

    10% Off
    8.9
    Very Good

  • 8

    DELLA 6000 BTU Energy Saving Window Air Conditioner, Cools Up to 250 Sq. Ft, Work with Alexa, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install
    Della

    DELLA 6000 BTU Energy Saving Window Air Conditioner, Cools Up to 250 Sq. Ft, Work with Alexa, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install

    8.8
    Very Good

  • 9

    Fioge Portable Air Conditioner,Cooling Fan with 3 Speeds & 3 Modes,1500ML Mini Air Conditioner with Remote, 4 in 1 Humidifier, Air Conditioner,Fan,Night Light,Evaporative Air Cooler for Home/Office
    Fioge

    Fioge Portable Air Conditioner,Cooling Fan with 3 Speeds & 3 Modes,1500ML Mini Air Conditioner with Remote, 4 in 1 Humidifier, Air Conditioner,Fan,Night Light,Evaporative Air Cooler for Home/Office

    8.7
    Very Good

  • 10

    GE AWCS08WWA Window Air Conditioner, Wi-Fi Enabled, Energy-Efficient Cooling for Medium Rooms up to 350 sq ft, Easy Install Kit, Control Using Remote or Smartphone App, New 8,000 BTU, White
    GE

    GE AWCS08WWA Window Air Conditioner, Wi-Fi Enabled, Energy-Efficient Cooling for Medium Rooms up to 350 sq ft, Easy Install Kit, Control Using Remote or Smartphone App, New 8,000 BTU, White

    8.6
    Very Good