AC Filters

Save money by buying your replacement AC filters from Factory Direct Filters. We offer standard, hard-to-find, and custom Aerostar air conditioner filters for your home or business. These filters meet or exceed the same quality as branded AC filters at a fraction of the name-brand price!

When you buy replacement air conditioner filters from us, you can expect them to be...

  • Available in any custom or standard air filter size you need.
  • Available in MERV ratings 8 to 13, so you can find the filtration efficiency that's right for your home or business.
  • Available at the lowest price guaranteed. Factory Direct = Discount AC Filters!
  • Made in America.
  • Energy-efficient – reducing your energy costs by up to 15%.
HVAC Air Filters

Filters By Size

The Ultimate Air Conditioner Air Filter

Looking for an air conditioner filter replacement, but haven't found the right size? Tired of adding it to your shopping list once every month? Have past filters have been overpriced or poor quality? With Factory Direct Filters, we can solve all your common filter issues. By offering both standard and custom sizing, we can provide you with the perfect fit for your AC or furnace. Save time with our subscription option and receive replacements each month without lifting a finger. And we always have the lowest price AC filters in the market.