A furnace filter should be changed about once every three months. A furnace filter should be changed more often in the event of pollen, construction dust, cold spells, or other amplifying factors.

Add Yahoo as a preferred source to see more of our stories on Google. For best results, plan to clean your home's air filters about once a month and replace them about every six months. Be sure to ...

Q. Some time ago, you discussed the difference between static filters and paper filters for efficient furnaces. I purchased my furnace about three years ago and have the static filters. I find them ...

Forced hot air heaters have filters that need regular cleaning from dust, dander and pet hair. Reggie rubs his head on a filter as his owner vacuums it. Credit: Linda Coan O'Kresik / BDN Winters in ...

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Your air ducts and vents require regular maintenance. Ignoring tasks like replacing your filter each month can invite pollutants into your home's ventilation system. Viruses, bacteria and fungi can ...