Most Efficient Window Air Conditioners

Best Buy customers often prefer the following products when searching for Most Efficient Window Air Conditioners.

Browse the top-ranked list of Most Efficient Window Air Conditioners below along with associated reviews and opinions.

  1. 1.
    Frigidaire - 150 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRA0522R1
    • SKU: 4791805
    Come in out of the heat and cool off in your bedroom or office with this Frigidaire FFRA0522R1 air conditioner, which features an automatic fan for continuous air circulation. The 24-hour timer makes it easy to program cooling to suit your needs.
  2. 2.
    Frigidaire - 250 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRA0622U1
    • SKU: 6175515
    Cool and dehumidify a 250 sq. ft. room with this 6000 BTU Frigidaire electronic window air conditioner. It operates with a simple-to-use electronic control panel and convenient full-function remote control, and its energy-saving features include a programmable timer and sleep mode. This Frigidaire electronic window air conditioner has six-way air direction control for customized comfort.
  3. 3.
    Frigidaire - 550 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE1233U1
    • SKU: 6175508
    Run this 12,000 BTU Frigidaire window-mounted electronic air conditioner to cool down a 550 sq. ft. room. It has three fan speeds and a programmable timer that let you adjust the timing and amount of cooling according to your preference. This Frigidaire window-mounted electronic air conditioner comes with an antibacterial filter that reduces odor in the space.
  4. 4.
    Frigidaire - 350 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE0833U1
    • SKU: 6175512
    Make your home more comfortable with this 8000 BTU Frigidaire window air conditioner. Its three fan speeds and energy saver mode let you customize your cooling, while its remote control provides convenient access to temperature settings. This Frigidaire window air conditioner includes SpaceWise side panels that adjust to fit your window size.
  5. 5.
    Frigidaire - 150 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRA0522U1
    • SKU: 6175507
    Lower the temperature of a small 150 sq. ft. room during summer months with this 5000 BTU Frigidaire air conditioner. Its remote control lets you adjust the thermostat and fan speeds from a distance, and its antibacterial mesh filter traps particulates. This Frigidaire air conditioner dehumidifies up to 1.6 pints per hour to keep the air feeling dry.
  6. 6.
    Frigidaire - 350 Sq. Ft. Smart Window Air Conditioner - White-Front_Standard

    • Model: FGRC0844U1
    • SKU: 6175510
    Install this 8000 BTU Frigidaire smart room air conditioner to keep the heat at bay. Its Cool Connect function is compatible with Amazon Alexa and Google Assistant, so you can turn it on and off or adjust the temperature using only your smartphone or tablet. This Frigidaire smart room air conditioner has LED lighting that creates a sleek look.
  7. 7.
    Frigidaire - 250 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE0633S1
    • SKU: 5077648
    Keep your home cool and comfortable with this Frigidaire window-mounted air conditioner. Providing 6000 BTUs, it's strong enough to chill a room that measures 250 square feet. Its antibacterial mesh filter keeps the air you breathe fresh and clean. Cool off on a hot day with this Frigidaire window-mounted air conditioner.
  8. 8.
    Frigidaire - Gallery 550 Sq.Ft Smart Window Air Conditioner - White-Front_Standard

    • Model: FGRC1244T1
    • SKU: 5713032
    Maintain a comfortable indoor environment with this compact 12000 BTU Frigidaire air conditioner. Energy saver and sleep modes conserve electricity, while the remote control provides for easy operation from across the room. This 1000W Frigidaire air conditioner cools a 550 sq. ft. area, so it's good for a bedroom or small office.
  9. 9.
    Frigidaire - 350 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRA0811R1
    • SKU: 4205506
    With 3 fan speeds and 3 cool settings, this Frigidaire FFRA0811R1 air conditioner helps you maintain a comfortable temperature in your bedroom throughout the summer. An antibacterial filter eliminates dust and odors for fresh, clean air.
  10. 10.
    Frigidaire - 549 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRA1222R1
    • SKU: 5151600
    Create comfort in rooms up to 550 square feet with this Frigidaire air conditioner. Eight-direction air distribution ensures even cooling throughout the room. A remote lets you control temperature and fan speed from wherever you are in the room. An antibacterial filter helps this Frigidaire air conditioner reduce bacteria and odors in your space.
  11. 11.
    Frigidaire - 150 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE0533S1
    • SKU: 5077426
    Cool any room in your home with this 5,000 BTU Frigidaire window-mounted air conditioner. The digital display and touch controls let you adjust the thermostat and select one of two fan speeds. This Frigidaire window-mounted air conditioner includes a washable antibacterial filter that removes common household contaminants from the air.
  12. 12.
    Frigidaire - 1603 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE2533S2
    • SKU: 5077401
    Cool off during those sweltering summer heat waves with this Frigidaire window-mounted air conditioner. This room air conditioning unit measures just under 19 inches high by 26.5 inches wide and fits windows between 31 and 42 inches wide. This Frigidaire window-mounted air conditioner provides low noise levels and uses three different directional fan speeds.
  13. 13.
    LG - 260 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: LW6017R
    • SKU: 5890357
    Cool bedrooms and small living areas effectively with this 6000 BTU LG window air conditioner. Its three-speed cooling fan lets you adjust the level of air flow, while its energy-saver function helps keep electric bills down. The remote control on this LG window air conditioner lets you easily adjust the temperature from anywhere in the room.
  14. 14.
    Frigidaire - 450 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRS1022R1
    • SKU: 4232901
    Keep indoor environments comfortable with this 10,000 BTU Frigidaire air conditioner. Its 24-hour preset timer lets you program operational periods to match your schedule, and its quick mode temporarily speeds up the fan for fast cooling or warming action. This casement window Frigidaire air conditioner has an antibacterial filter to reduce air pollutants.
  15. 15.
    Frigidaire - 1023 Sq. Ft. Window Air Conditioner - White-Front_Standard

    • Model: FFRE1833S2
    • SKU: 5164300
    Blast cool air throughout your home with this 18,000 BTU Frigidaire window-mounted air conditioner. Keep control of its operation with the easy-to-use control panel on the front of the unit, or use the handy remote control to power it off or change the temperature from a distance. Stay cool all summer long with this incredibly functional Frigidaire window-mounted air conditioner.

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