A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got ...

Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got a problem. Typically located in tucked-away spots like a basement, crawlspace, or attic, ...

If you were to let unfiltered air into your furnace, its performance would suffer as dust settled on the heat exchanger and ...