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Labor Day SaleEnds September 7. Limited quantities. No rainchecks.Shop now

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heating, cooling & air quality

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air conditioners

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window air conditioners

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

    SKU: J7G565549S

    Great value, ease to install and use. Love the different features and energy efficiency....best ever buy.... 111111111111111111111111111111111

    Product Description

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

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

    SKU: J7G5655WCC

    It’s been nearly a month since I got my 18,000 btu AC and this beast will freeze you I love it...Love the app feature. Very heavy so you’ll need two people to install it....I love the control anywhere...

    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

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

    SKU: J7G5655ZPF

    Best buy awesome...Great product was delivered efficiently salesmen jeff and keith from brighton store was great...Love my choice love the price for what i got it. Just love it.

    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 $759.99

  4. Amana - 1,000 Sq. Ft. 18,000 230V Window Air Conditioner - White

    SKU: J39H83TKLC

    confident that it will have the capability to keep my front room cool and give our main AC a break I love

    Product Description

    A powerful white window air conditioner with 18,000 BTU, three cooling speeds, remote control, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $649.99

  5. Black+Decker - Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet - White

    SKU: J3GW7QQT39

    Product Description

    A powerful white air conditioner with 18,000 BTU, remote control, dehumidifier, and multiple cooling modes.
    See all Window Air Conditioners
    Your price for this item is $629.99

  6. Keystone - 1,000 Sq. Ft. 18,000 BTU 230V Window Mounted Inverter Air Conditioner with Remote Control - White

    SKU: J39H83WTH5

    Great choice for apartment add on...If you live in an apartment before, you will love the function of this window unit AC....The remote makes life easier, and I love the energy saver mode—my electric...

    Product Description

    A white window-mounted inverter air conditioner with 18,000 BTU cooling, remote control, and energy-saving modes.
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    Your price for this item is $571.00
    Save $108
    The previous price was $679.99

  7. Frigidaire - 230V 18,000 BTU 1,000 Sq Ft Window Air Conditioner with 16,000 BTU Supplemental Heat Function - White

    SKU: J7CJ3668R6

    Best of Both Worlds...solution for controlling the climate in your space, the Frigidaire FHWH184WB2 might just be your new best...Best choice for home...Its easy to see why this window AC is a great investment...

    Product Description

    A versatile white window unit offering powerful cooling and supplemental heat, with smart controls and energy-saving modes.
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    Your price for this item is $799.99

  8. 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 $622.00
    Save $127
    The previous price was $749.99
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FAQ

An 18000 BTU air conditioner is ideal for cooling medium to large spaces such as living rooms, open-concept areas, or large bedrooms. It is especially effective in spaces ranging from approximately 700 to 1,000 square feet, depending on insulation and ceiling height.

Many modern 18000 BTU air conditioners offer smart features, including Wi-Fi connectivity that allows you to control the unit remotely via a compatible smartphone app. Check the product specifications to see if your chosen model includes this feature.

Yes, most 18000 BTU air conditioners come with several operating modes such as cool, fan, dry (dehumidify), and sometimes even sleep or eco modes to help optimize comfort and energy use.

Yes, 18000 BTU air conditioners are available in various formats, including window-mounted and split (ductless) systems. Each type offers different installation options and features, so you can choose the one that best fits your needs.

Most 18000 BTU air conditioners include a remote control for convenient operation, allowing you to adjust settings, temperature, and modes from across the room.