Air filters are responsible for purifying the air in spaces. Whether it’s home or office, a 16x25x5 furnace filter can help remove dust and other particles from indoor air, allowing you to breathe ...

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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.

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.