Almost all homes built in the U.S. have air conditioning of some type. In many cases, it’s part of a heat pump system that uses the same heat exchange unit to warm the house in the winter and cool it ...

A white AC unit installed on a dark green wall with patterned carpet below it - Stefania Pelfini, La Waziya Photography/Getty Images When the weather starts heating up, there's no appliance more ...

When the weather starts heating up, there's no appliance more important than your air conditioner. Almost 90% of all homes in the U.S. have some form of air conditioning, with over 50% of homes using ...