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.

Add Yahoo as a preferred source to see more of our stories on Google. A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one ...

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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.

Homeownership comes with what feels like a never-ending to-do list. One important task on that list is ensuring your heating and cooling system is properly maintained. You should be replacing your ...