Q: How often should I replace the air filters in my home, and what factors would require me to replace them in between regular changes? A: The essential function of an air filter is to clean air that ...

While as little as 20 years ago, cabin air filters were only found in higher end cars, today pretty much anything on four wheels has one of these paper elements to help keep air-borne impurities out.

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

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.