This common HVAC mistake could be raising your energy bill by 15%. Find out how and when to replace your furnace filter to ...

Proper HVAC filtration is at the heart of indoor air quality and provides an important service in keeping indoor environments clean and free from the dust and particulates that may reduce product ...

Changing a furnace filter regularly will improve your heating in the winter and your air conditioning in the summer.

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 ...