Air Filters

BREATHE BETTER.
CHANGE YOUR AIR FILTERS.

Breathe better. Change your air filters.

Shop All

Improve Your Air Quality Today

How to Choose an Air Filter


Save money while improving the air quality and efficiency of your home HVAC system by changing or upgrading your filter. The first step is to make sure you have the right measurements. Consult our Buying Guide to help you choose the type of filter by the level of filtration that your home needs.

HVAC Maintenance


Regular maintenance will keep your heating and cooling system operating at its peak performance level and help reduce your utility costs.

Selecting the Right Thermostat for Your Home


Making your home comfortable is very important. Thermostats control air circulation from your heating and cooling system, which in turn, will help improve your air filtration. With today's new wifi and programmable thermostats, air quality has never been easier to maintain.

Air, Furnace, HVAC Filters And More

With a quality air filter you will never have to sacrifice clean, healthy air. The Home Depot has a large selection of HVAC air filters for both residential air conditioning and commercial air conditioning. Find the exact filter you need by searching brands, types, sizes, thickness or performance ratings. We carry the most popular brands including Honeywell air filters. If you're looking for a hard-to-find custom air conditioning filter, we carry those too.

The Home Depot also sells air filter accessories & air fresheners as well as air purifiers to keep your indoor environment as fresh as possible. Selecting the right air filter can be overwhelming because there are so many to choose from. If you need assistance the knowledgeable associates at The Home Depot can help you decide which air filter meets your individual needs.

RELATED PRODUCTS

Photo catalytic oxidation is achieved when UV ray Photo catalytic oxidation is achieved when UV ray combines with a TiO2-coated filter. This process creates hydroxyl radicals and super-oxide ions which are highly reactive electrons. These electrons aggressively combine with other elements in the air such as bacteria and volatile organic compounds (VOC) which are harmful pollutants. Once bound ...  More + Product Details Close
Designed for the Alen T500 HEPA Air Purifier Designed for the Alen T500 HEPA Air Purifier the Alen HEPA-OdorCell Filter combines three layers of filter technology to purify the air in your home while destroying heavy odors at a molecular level. Polluted air first passes through Alen's washable Pre-Filter to capture large particles extending the life of the ...  More + Product Details Close
The Winix 112180 Replacement Filter N is a The Winix 112180 Replacement Filter N is a complete 1-year filter. The True HEPA Filter captures 99.97% of particles and impurities as small as 0.3 microns including pollen mold dust pet dander and hair other allergens and cigarette smoke. The Coated Deodorization (CD) Carbon Filter uses an activated coating to ...  More + Product Details Close
The Winix 114090 Replacement Filter D is a The Winix 114090 Replacement Filter D is a complete one year filter set. The CleanCel anti-bacterial coated Pre-Filter captures larger particles saving the effectiveness of all other filters. The True HEPA Filter captures 99.97% of particles and impurities as small as 0.3 microns including pollen mold dust pet dander and ...  More + Product Details Close