All About Furnace Filters Learn what you need to know about furnace filters to properly use and maintain them. Best Furnace Filters for Allergies, Dust, Pet Owners and More ...

How dirty should you let your furnace filter get before replacing it? Consult this guide on how often to change a furnace filter before you swap yours out.

The problem with expensive furnace filters is that air flow gets restricted when they get dirty. As I mentioned in my blog about the importance of changing your furnace filter, reduced air flow ...

If your filter is dirty, your furnace won't be able to circulate clean air throughout your home, which could put your health at risk. On top of that, clogged furnace filters can create a safety ...

Some high-performing furnace filters have the ability to trap substantially more indoor air contaminants than your run-of-the-mill filter. Some may even offer the protection of a HEPA filter.

Cold winter weather means furnaces work overtime. Keeping the air filter clean does more than clear the air. You'll save energy and a few cents, too. An air filter is supposed to trap dirt and ...

Why furnace filters are important. ... In fact, the Department of Energy advises that replacing a dirty air filter with a clean one can reduce your system's energy usage by up to 15%.

The best furnace filters: Reviews & Recommendations I preferred filters with high-efficiency ratings for these selections, though this was balanced against the overall price and value of each ...