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 ...

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

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 ...