Air Conditioner & Furnace Filters

Shop our wide selection of air conditioner and furnace filters designed to enhance the efficiency of your HVAC system. We offer high-performance replacement filters from top brands like Honeywell, Koch, Ultravation, and Nordyne. These filters are available in various MERV ratings to capture dust, allergens, and pollutants, ensuring clean air for residential and commercial spaces. Regular filter replacement helps maintain system performance and improves indoor air quality. Browse our collection to find the right air conditioner or furnace filters.

  • -20% Sale
Ultravation 91-006 20X25X5 MERV 11 Filter - 3 Pack 91-006 20x25x5 MERV11 Filter
Ultravation 91-006 20X25X5 MERV 11 Filter - 3 Pack
Ultravation
$186.38 USD -20% $232.29 USD
$186.38 USD
  • -23% Sale
Ultravation Progressive Media 91-005 16x25x5 MERV 11 Filter - 3 Pack
Ultravation Progressive Media 91-005 16x25x5 MERV 11 Filter - 3 Pack
Ultravation
$192.95 USD -23% $249.95 USD
$192.95 USD
Ultravation 91-026 20x25x5 MERV 13 Filter - 3 Pack
Ultravation 91-026 20x25x5 MERV 13 Filter - 3 Pack
Ultravation
$257.62 USD -100% $0.00 USD
$257.62 USD
  • -21% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 19 7/8 x 21 1/2 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$274.34 USD -21% $342.93 USD
$274.34 USD
Waterfurnace Geothermal 30x36x1 MERV 10 PowerGuard Air Filter (4PK)
Waterfurnace Geothermal 30x36x1 MERV 10 PowerGuard Air Filter (4PK)
Waterfurnace Geothermal
$213.73 USD -100% $0.00 USD
$213.73 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 3/8 x 21 1/2 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$223.85 USD -11% $249.95 USD
$223.85 USD
  • -19% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$107.95 USD -19% $132.35 USD
$107.95 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 25 x 2 MERV 8 Multi-Pleat Air Filter - 12 Pack
Koch Filter
$139.17 USD -20% $173.96 USD
$139.17 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$98.89 USD -11% $109.91 USD
$98.89 USD
Santa Fe Dehumidifier MERV 11 Filter Set - 4 Pack
Santa Fe Dehumidifier MERV 11 Filter Set - 4 Pack
Santa Fe
$153.27 USD -100% $0.00 USD
$153.27 USD
Mitsubishi Filter for SVZ-KP30NA - 2 Pack
Mitsubishi Filter for SVZ-KP30NA - 2 Pack
Mitsubishi
$147.25 USD --5% $139.54 USD
$147.25 USD
  • Sold out
  • -8% Sale
Trane BAYFTFREXM2A Expandable Replacement Filter - 2 Pack
Trane BAYFTFREXM2A Expandable Replacement Filter - 2 Pack
Trane
$73.88 USD -8% $79.99 USD
$73.88 USD
  • -7% Sale
Ultravation 91-012 16x20x5 MERV 11 Filter - 4 Pack
Ultravation 91-012 16x20x5 MERV 11 Filter - 4 Pack
Ultravation
$237.74 USD -7% $254.47 USD
$237.74 USD
  • -18% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 24 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$97.49 USD -18% $117.67 USD
$97.49 USD
  • -8% Sale
Ultravation 91-013 20x20x5 MERV 11 Filter - 4 Pack
Ultravation 91-013 20x20x5 MERV 11 Filter - 4 Pack
Ultravation
$264.95 USD -8% $286.99 USD
$264.95 USD
Honeywell 50000293-004 20 x 12 1/2 Post Filter - 4 Filter Pack
Honeywell 50000293-004 20 x 12 1/2 Post Filter - 4 Filter Pack
Honeywell
$347.43 USD -100% $0.00 USD
$347.43 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$107.34 USD -20% $134.16 USD
$107.34 USD
Mitsubishi Filter for SVZ-KP36NA - 2 Pack
Mitsubishi Filter for SVZ-KP36NA - 2 Pack
Mitsubishi
$157.25 USD --4% $149.88 USD
$157.25 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$203.44 USD -20% $254.30 USD
$203.44 USD
Ultravation 91-025 16x25x5 MERV 13 Filter - 3 Pack
Ultravation 91-025 16x25x5 MERV 13 Filter - 3 Pack
Ultravation
$340.45 USD -100% $0.00 USD
$340.45 USD
59P509-04 24 x 28 x 2 Air Filter 4 Pack
Waterfurnace Geothermal 24x28x2 MERV 11 Airguard Air Filter (4PK)
Waterfurnace Geothermal
$321.25 USD -100% $0.00 USD
$321.25 USD
28 x 30 x 1 Water Furnace Filter 4 Pack
Waterfurnace Geothermal 28x30x1 MERV 11 Airguard Air Filter (4PK)
Waterfurnace Geothermal
$234.16 USD -100% $0.00 USD
$234.16 USD
50000293-003 20 x 10 Post Filter 2 Pack
Honeywell 50000293-003 20 x 20 Post Filter - 4 Filter Pack
Honeywell
$238.74 USD -100% $0.00 USD
$238.74 USD
  • -91% Sale
Clean Comfort & Goodman HEPA Home Air Cleaner Replacement Filter Bundle Clean Comfort & Goodman HEPA Home Air Cleaner Replacement Filter Bundle
Clean Comfort & Goodman HEPA Home Air Cleaner Replacement Filter Bundle
Clean Comfort
From $109.73 USD -91% $1,126.60 USD
From $109.73 USD
  • -5% Sale
Mitsubishi Filter for SVZ-KP18NA - 2 Pack
Mitsubishi Filter for SVZ-KP18NA - 2 Pack
Mitsubishi
$127.23 USD -5% $133.34 USD
$127.23 USD
  • -2% Sale
Mitsubishi Filter for SVZ-KP24NA - 2 Pack
Mitsubishi Filter for SVZ-KP24NA - 2 Pack
Mitsubishi
$137.23 USD -2% $139.54 USD
$137.23 USD
Honeywell 50000293-002 16 x 12 1/2 Post Filter - 4 Filter Pack
Honeywell 50000293-002 16 x 12 1/2 Post Filter - 4 Filter Pack
Honeywell
$246.72 USD -100% $0.00 USD
$246.72 USD
918397 20 x 25 x 5 MERV 11 Air Filter 3 Pack
Nordyne 918397 20x25x5 MERV 11 Air Filter 3 Pack
Nordyne
$341.99 USD -100% $0.00 USD
$341.99 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 14 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$131.27 USD -20% $164.08 USD
$131.27 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 14 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$111.95 USD -17% $134.16 USD
$111.95 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 25 x 4 MERV 8 Pleated Air Filter - 6 Pack
Koch Filter
$128.95 USD -17% $154.91 USD
$128.95 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 18 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$105.95 USD -17% $127.42 USD
$105.95 USD