We may receive a commission on purchases made from links. A window air conditioner can be a lifesaver in a heatwave, but how do you install one in a horizontal sliding window? Most window air ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A window air conditioner is a practical and cost-effective way to control your indoor ...

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Portable ACs have specific quirks to consider. Here's what I learned about buying and installing a mobile air conditioner. John Carlsen has more than a decade of experience testing and reviewing home ...

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