Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

PITTSBURGH (KDKA) -- With the temperatures rising in the Pittsburgh area, many people are running air conditioning systems throughout their homes or rooms. But how safe is that if coronavirus is in ...