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 ...

Like clothing, an air conditioner must be the proper fit for it to be of value. If you buy one that’s too small or too large, you won’t be happy — or comfortable. This article runs through the ...