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 ...

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 ...

If you've finally broken down and decided to beat the sweltering heat with an air conditioner, Consumer Reports has a fantastic calculator for figuring out exactly how much A/C you need. Based on your ...