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Casement Window Air Conditioner

Looking to beat the heat this summer? Look no further than our selection of casement window air conditioners. Designed specifically for windows that open outwards, these air conditioners provide powerful cooling while seamlessly fitting into your home decor. With a range of sizes and features to choose from, finding the perfect casement window air conditioner for your space has never been easier. Whether you're looking to cool a small bedroom or a large living room, our collection has you covered. Say goodbye to sweaty nights and hello to refreshing, comfortable indoor temperatures with a casement window air conditioner from Best Buy.

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  1. Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White

    SKU: J39H83WLHT

    You will also likely need a custom window slide lock, because if your child slides the window open, the unit is probably going down. ...It's a little pricey as the casement air conditioners are but it...

    Product Description

    A white casement window air conditioner with 10,000 BTU, remote control, timer, and washable mesh filter.
    See all Window Air Conditioners
    Your price for this item is $434.99
    Save $65
    The previous price was $499.99

  2. Keystone - 350 Sq. Ft. 8,000 BTU Casement Window Air Conditioner - White

    SKU: J39H83WLHV

    Keystone casement 8000btu...Works great easy install, looks great on casement window. really cools the room on hot summer days...This was the perfect solution for our needs. It fit in our casement window...

    Product Description

    A white window air conditioner with 8,000 BTU, remote control, timer, and built-in dehumidifier.
    See all Window Air Conditioners
    Your price for this item is $399.99
    Save $80
    The previous price was $479.99

  3. LG - 330 Sq. Ft. 7,600 BTU Smart Window Air Conditioner with Supplemental Heat Function - White

    SKU: J7G5655ZGF

    Product Description

    A smart white window unit offering cooling, heating, Wi-Fi control, voice compatibility, and remote operation.
    See all Window Air Conditioners
    Your price for this item is $499.00
    Save $0
    The previous price was $499.99

  4. LG - 1,000 Sq. Ft. 18,000 BTU 230V Smart Window Air Conditioner with Supplemental Heat Function - White

    SKU: J7G5655ZL9

    Product Description

    A smart white window unit offering 18,000 BTU cooling and heating with app, voice, and remote control.
    See all Window Air Conditioners
    Your price for this item is $699.99

  5. Frigidaire - 450 Sq. Ft. 10,000 BTU Inverter Smart Window Air Conditioner - White

    SKU: J7CJ3668QK

    Ac unit window

    Product Description

    A white smart window air conditioner offering 10,000 BTU cooling, three fan speeds, and remote control.
    See all Window Air Conditioners
    Your price for this item is $429.99
    Save $50
    The previous price was $479.99

  6. GE - 350 Sq. Ft. 8000 BTU Smart Window Air Conditioner - White

    SKU: J7645SYS2S

    Product Description

    A smart white window air conditioner with 8,000 BTU, app control, remote, and energy-efficient cooling.
    See all Window Air Conditioners
    Your price for this item is $279.99
    Save $20
    The previous price was $299.99

  7. GE - 450 Sq. Ft. 10100 BTU Smart Window Air Conditioner - White

    SKU: J7645SYSX2

    Product Description

    A smart white window air conditioner with Wi-Fi, remote control, and app compatibility for medium rooms.
    See all Window Air Conditioners
    Your price for this item is $339.99
    Save $30
    The previous price was $369.99

  8. LG - 450 Sq. Ft. 10,000 BTU Smart Window Air Conditioner - White

    SKU: J7G56554FC

    Product Description

    A smart white window air conditioner with 10,000 BTU, app control, voice compatibility, and remote.
    See all Window Air Conditioners
    Your price for this item is $389.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.