Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us?Sometimes opening a window or running a fan is simply not enough to keep you cool in the heat. And this is to say nothing of the misery of trying to sleep in a stuffy, hot room. If you don’t have central air at home, the best way to combat sweltering days and nights is with a window air conditioner. Window air conditioners remove hot and humid indoor air by drawing it inside the unit where it’s converted to cool, dry air that gets blown into the room while heat is dispersed outside. The process is relatively complex (see our deep dive below on how window ACs work) but the result is simple: you get a comfortable living space.Finding a unit that satisfies your cooling needs—and fits your window—that won’t jack up your electric bill requires some research. We tested a range (and included promising models we haven’t tried yet) to find the best window air conditioners out there...
