AC Filters

Choose from standard, hard-to-find, and custom Aerostar air conditioner filters for your home or business. Fits AC or furnace. Meets or exceeds the same quality as branded AC filters.

  • Available in any custom or standard air filter size you need
  • MERV 13 home AC filters available for highest filtration efficiency
  • Lowest price guaranteed
  • Made in America
  • Can reduce 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? Past filters have been overpriced or poor quality? With Factory Direct Filters, we can solve all your common filter issues. Offering custom sizing, we can provide you with the perfect fit for your AC or furnace. We offer a subscription option, so you can receive replacements each month without lifting a finger. And we always have the lowest price air conditioner filters in the market.