Even in the warmer months of the year, you should regularly monitor your furnace filter's condition -- and replace it as needed -- to keep your family safe and your furnace in good working condition.

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

How often should I swap out my furnace filter, and which types of furnace filters are best? A furnace filter removes dust, dander and other large particulates from the air in our homes when either the ...