What Happens If You Forget to Change Your HVAC Filters? We Asked an HVAC Pro

Learn what happens if you don't change HVAC filters. Degraded performance and system failure may occur if you don't change HVAC filters.
The New York Times

The Furnace and Air Conditioner Filters We Would Buy

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan ...
Consumer Reports

Air Filter Buying Guide

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 ...
Consumer Reports

How to Replace Furnace Filters

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. If you're a first-time owner of ...
Popular Science

The best furnace filters

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews ...