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18000 BTU Air Conditioner

Stay cool and comfortable during the hottest months with a powerful 18000 BTU air conditioner. Perfect for larger spaces, these units efficiently regulate temperature to create a refreshing indoor environment. Whether you're upgrading your current system or seeking a new solution for your home or office, these air conditioners offer reliable performance and energy efficiency. With sleek designs and easy-to-use controls, you can enjoy optimal comfort with minimal effort. Explore our selection to find the ideal model that suits your cooling needs and enhances your living space.

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  1. LG - 18,000 BTU 230V Window Air Conditioner - White

    SKU: J7G565549S

    Product Description

    A powerful white window unit offering 18,000 BTU cooling, 3 fan speeds, timer, and remote control.
    See all Window Air Conditioners
    Your price for this item is $639.99

  2. Whirlpool - 1,000 Sq. Ft. 18,000 BTU 230V Window Mounted Air Conditioner with Supplemental Heat - White

    SKU: J39H83WF8G

    Product Description

    A white window-mounted unit offering 18,000 BTU cooling, supplemental heat, remote control, and reusable filter.
    See all Window Air Conditioners
    Your price for this item is $699.99

  3. Whirlpool - 1,000 Sq. Ft. 18,000 BTU 230V Window Air Conditioner - White

    SKU: J39H83TK67

    Product Description

    A powerful white window air conditioner with 18,000 BTU, remote control, timer, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $649.99
    Save $10
    The previous price was $659.99

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

    SKU: J7G5655WCC

    18,000 BTU...Great window unit air-conditioner, just a little louder than I expected....Great air conditioner

    Product Description

    A smart white window air conditioner offering 18,000 BTU cooling, app control, and ultra-quiet operation.
    See all Window Air Conditioners
    Your price for this item is $649.99

  5. Keystone - 18,000 BTU 1,000 Sq. Ft. 230V Window Mounted Inverter Air Conditioner - White

    SKU: J39H83WTH5

    Product Description

    A white window-mounted inverter air conditioner with 18,000 BTU cooling, remote control, and energy-saving modes.
    See all Window Air Conditioners
    Your price for this item is $649.99
    Save $30
    The previous price was $679.99

  6. Keystone - 1000 Sq. Ft 18,000 BTU 230V Window Air Conditioner R32 - White

    SKU: JJ86PT7H3J

    air conditioner...nice air conditioner, keeps house cool all the time...This air conditioner is the best thing I brought all summer

    Product Description

    A powerful white window air conditioner offering 18,000 BTU cooling, dehumidification, remote control, and energy-saving modes.
    See all Window Air Conditioners
    Your price for this item is $599.99

  7. LG - 18,000 BTU 230V Window-Mounted Air Conditioner with 12,000 BTU Supplemental Heat Function - White

    SKU: J7G5655ZPF

    Air condition...It gives off the perfect amount of heat and air for a 500 sq feet room! It’s very heavy but not too difficult to install!

    Product Description

    A versatile white window unit offering 18,000 BTU cooling and 12,000 BTU supplemental heating with remote control.
    See all Window Air Conditioners
    Your price for this item is $675.99
    Save $84
    The previous price was $759.99

  8. LG - 18,000 BTU 230V Window Air Conditioner - 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

  9. Amana - 24,000 BTU 1,500 Sq. Ft. 230230V Window-Mounted Air Conditioner with Remote Control - White

    SKU: J39H83TKLK

    Product Description

    A powerful white window-mounted air conditioner with remote, three cooling speeds, timer, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $749.99
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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.