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 ...

Consumer Reports has no financial relationship with advertisers on this site. Size matters when you’re buying a window AC. An air conditioner that’s too small will struggle to keep a room at a ...

Solar changes how air conditioning should be sized. Learn how to match cooling capacity with rooftop generation to stay ...