Size matters when you’re buying a window air conditioner. An air conditioner that’s too small will struggle to keep a room at a comfortable temperature. A model that’s too big will cool a room too ...

When the mercury rises and the air stays hot and humid even after the sun goes down, you’ll need to find a way to stay cool. Many older homes don’t have whole-house air conditioning systems, which ...

If you’re strategizing how to keep cool in what feels like one of the hottest summers to date, we recommend opting for an air conditioner that’s effective but ...

The difference between a good air conditioner and a great one isn’t just how quickly it cools a room—but also how quietly it does so. On a hot, still summer night, a quiet air conditioner may be the ...