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. A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one ...

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.

If you’re thinking you only have to change your furnace filter once a year, you may be shortening the life of your furnace.

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 ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...