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 ...

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.

Between the rising cost of living, high-profile layoffs and a tumultuous investment landscape, many Americans are looking for ways to cut their spending and live more frugally. Unfortunately, with ...

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.