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 ...

The forced-air heating and cooling systems that keep our homes comfortable year-round require very little maintenance. In most cases, all you must do to keep the equipment operating at peak efficiency ...

Air filters play an essential role in the overall air quality in your home, and help improve the efficiency of heating and cooling systems. They trap dust, pet dander, pollen, and other airborne ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. In our tests, we gauge how well ...

What Is a Cabin Air Filter and What Does It Do? Cabin air filters clean the air entering the interior of dust, smog, odors, allergens, and other contaminants. Assuming everything is reasonably well ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...