Air Filters, Furnace Filters and Air Conditioner Filters

replace your air filters 
to reduce energy costs

Changing your air filters regularly improves the efficiency
of your furnace and provides clean, fresh air

Shop by Filter Performance Rating (FPR)

We tested each air filter for you, then rated each according to it’s ability to filter small particles.

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Your Air Filter Search Stops at The Home Depot

Air filters improve your indoor air quality by removing allergens. It’s essential you replace them on a regular basis to keep your HVAC system running efficiently. Furnace filters and air conditioning filters promote healthy living. That’s why we offer a large selection of home air filters in all sizes and brands, custom and hard-to-find sizes. Scented air filters and other air filter accessories can enhance your air system. Consult our Air Filters Buying Guide to help decide the best air filter for you. If you’re having trouble finding your size, enter your size requirement in the search box above.