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

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Best Buy

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heating, cooling & air quality

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air conditioners

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window air conditioners

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. 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

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

    SKU: J7645SYS2S

    The best...Best thing going I love it would buy it again if I had to...Great...Great product I'm pleased with it best buy is the best

    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 $269.99
    Save $50
    The previous price was $319.99

  3. 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

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

    SKU: J7645SYSX2

    Best of the best I love the eco feature & the fan somehow I just love every feature and it hasn’t disappoint...I LOVE It works good looks good no problems easy to install good price at best buy

    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 $394.99

  5. LG - 350 Sq. Ft. 8,000 BTU Smart Window Air Conditioner - White

    SKU: J7G56554GZ

    Best Window AC!!...I haven’t noticed my electricity bill going up which is great and the performance is the best part....It cools down my room almost instantly and I love how easy it is to work and use.......

    Product Description

    A smart white window air conditioner with Wi-Fi, voice control, remote, and customizable cooling features.
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    Your price for this item is $232.99
    Save $77
    The previous price was $309.99

  6. Commercial Cool - Window Air Conditioner 8000 BTU, AC Window Unit Cools Up to 350 Square Feet - White

    SKU: J3GW7QQTGH

    Product Description

    A white window air conditioner with 8,000 BTU cooling, electronic controls, remote, and washable filter.
    See all Window Air Conditioners
    Your price for this item is $239.99

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

    SKU: J7G56554FC

    Hard to take a pic since it’s been installed and high up now, but this is by far the best window air...The sound isn’t bad, and love that it has a remote to control from far away

    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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FAQ

A casement window air conditioner is designed specifically to fit vertically sliding or crank-out windows, commonly known as casement or sliding windows. These units are taller and narrower than standard window air conditioners, making them ideal for homes with unique window configurations.

Many casement window air conditioners come with detailed installation instructions and mounting kits, making them suitable for DIY installation. However, it's important to follow the manufacturer's guidelines closely to ensure a secure and efficient fit.

Yes, many casement window air conditioners offer features such as remote controls, programmable timers, multiple cooling modes, adjustable fan speeds, and energy-saving settings for added convenience and comfort.

Regular maintenance includes cleaning or replacing the air filter, wiping down the exterior, and ensuring the vents are free from dust and debris. Refer to the user manual for specific cleaning instructions to keep your unit running efficiently.

Most casement window air conditioners are designed to plug into a standard household power outlet, but it's important to check the voltage and amperage requirements in the product specifications before installation.