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Heat Pump Air Filters

Find replacement heat pump air filters for your home’s heating and cooling system. Check the required filter dimensions and your system manufacturer’s recommended filtration rating to choose a compatible replacement that supports proper airflow.

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  1. Filterbuy - 20x25x4 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (2-Pack) - Gold

    SKU: JXT9F2Q5WK

    Best product...Best price . Product delivered very fast. Very good product...Filter buy filters the best!

    Product Description

    An electrostatic gold polypropylene filter that traps 95% of allergens, ideal for homes with pets or allergies.
    See all Furnace Filters
    Your price for this item is $53.98

  2. Filtrete - 16 in. W X 20 in. H X 1 in. D Polypropylene 1900 MPR Pleated Allergen Air Filter 1 pk

    SKU: J7LYLK3YPR

    Filtrete Best...Best product on the market. Captures nore dust particles than any other brand....Love the way it reduces dust/mold allergens (that's what I'm allergic to)....line was blocked (only took...

    Product Description

    A pleated electrostatic polypropylene air filter that captures allergens, bacteria, viruses, dust, and pet dander.
    See all Furnace Filters
    Your price for this item is $115.99

  3. Filtrete - 24 in. W X 24 in. H X 1 in. D Polypropylene 1900 MPR Pleated Allergen Air Filter 1 pk

    SKU: J7LYLK3YSZ

    We have a lot of animals and when I switched to the Best Filtrete, we do not have the sneezes you would...This is a great product and cleans the air and is well worth the money spent!...Simply The Best...

    Product Description

    A pleated polypropylene air filter with 13 MERV rating captures allergens, dust, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $117.69

  4. 3M - Filtrete 20 in. W X 25 in. H X 4 in. D Polyester 12 MERV Pleated Allergen Air Filter 1 pk

    SKU: J7LYLK3R2X

    These filters do the best job of removing dust and debris from the air in my house....best on the Market...The best

    Product Description

    A pleated polyester air filter with MERV 12 rating that captures allergens, smoke, bacteria, and debris.
    See all Furnace Filters
    Your price for this item is $244.11

  5. Filtrete - 12 in. W X 24 in. H X 1 in. D 1900 MPR Pleated Air Filter 1 pk

    SKU: J7LYSF8VYP

    Filtrete Best Review...Wow.. we love Filrete...it is in the name!! Best is a perfect name....Best there is!...I love the natural paper and the fact that I can clearly see when I need to replace my filter....

    Product Description

    A pleated electrostatic air filter that captures dust, pollen, pet dander, smoke, and virus-carrying particles.
    See all Furnace Filters
    Your price for this item is $113.00

  6. Filterbuy - 11.5x21x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H4ZH

    Product Description

    An electrostatic gold polypropylene air filter traps 95% of allergens and pet dander for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $82.96

  7. Filterbuy - 12.5x21x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H4ZF

    Product Description

    A gold electrostatic pleated HVAC filter pack traps 95% of allergens and pet dander for cleaner air.
    See all Furnace Filters
    Your price for this item is $82.96

  8. Filterbuy - 8x16x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver

    SKU: JXT9F2H36L

    Great...Great pricing. Will do business with them again in the future...A great way to purchase filters, also the number one thing. THEY ARE MADE IN AMERICA

    Product Description

    An electrostatic pleated HVAC filter in silver polypropylene traps 90% of dust, pollen, and allergens.
    See all Furnace Filters
    Your price for this item is $54.96

  9. Filterbuy - 14x30x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H59X

    Product Description

    An electrostatic gold polypropylene air filter that traps 95% of allergens, ideal for pet owners and allergy sufferers.
    See all Furnace Filters
    Your price for this item is $101.96

  10. Filterbuy - 14x36x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H59S

    Product Description

    An electrostatic gold polypropylene filter pack that traps 95% of allergens, ideal for pet owners and allergy sufferers.
    See all Furnace Filters
    Your price for this item is $94.96

  11. Filterbuy - 24x36x2 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver

    SKU: JXT9F2H4XP

    Product Description

    An electrostatic pleated HVAC filter in silver polypropylene traps 90% of dust and allergens efficiently.
    See all Furnace Filters
    Your price for this item is $109.96

  12. Filterbuy - 11.25x23.25x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H4ZY

    Product Description

    An electrostatic gold polypropylene air filter traps 95% of allergens, ideal for homes with pets or allergies.
    See all Furnace Filters
    Your price for this item is $70.96

  13. Filterbuy - 12.75x21x2 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (6-Pack) - Silver

    SKU: JXT9F26H9Z

    Great filters!!...Dan Bongino was right, Filter Buy is a great company for all your filter needs. Thanks!...my green house holds 20 filters and filterbuy always dilevers , great product!!!!!!

    Product Description

    An electrostatic silver polypropylene air filter that traps 90% of dust and allergens for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $90.96

  14. Filterbuy - 24x24x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver

    SKU: JXT9F2HLLP

    Love them have a really hard time finding the size I need and you always have them. Thanks so much

    Product Description

    An electrostatic pleated HVAC filter in silver polypropylene traps 90% of dust and allergens efficiently.
    See all Furnace Filters
    Your price for this item is $42.96

  15. Filterbuy - 12x26x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H5CC

    Product Description

    An electrostatic gold polypropylene filter pack that traps 95% of allergens, ideal for pet owners and allergy sufferers.
    See all Furnace Filters
    Your price for this item is $94.96

  16. Filterbuy - 18x25x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2HFG6

    Product Description

    A gold electrostatic pleated HVAC filter made of polypropylene, ideal for trapping pet dander and allergens.
    See all Furnace Filters
    Your price for this item is $82.96

  17. Filterbuy - 27x27x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver

    SKU: JXT9F2HLRZ

    Product Description

    An electrostatic pleated HVAC filter in silver polypropylene traps 90% of dust and allergens efficiently.
    See all Furnace Filters
    Your price for this item is $84.96

  18. Filterbuy - 24x36x1 MERV 8 Dust & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Silver

    SKU: JXT9F2HLS2

    The filters are sturdy, and I love that I can subscribe so that I don't have to remember when to buy...Great to find filters that are the correct size for a reasonable price.

    Product Description

    An electrostatic silver polypropylene air filter traps 90% of dust and allergens while maintaining airflow.
    See all Furnace Filters
    Your price for this item is $59.96

  19. Filterbuy - 21x21x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2HFFC

    Product Description

    An electrostatic gold polypropylene air filter traps 95% of allergens and pet dander for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $94.96

  20. Filterbuy - 12x27x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H5CY

    Product Description

    An electrostatic gold polypropylene filter that traps 95% of allergens and pet dander for cleaner air.
    See all Furnace Filters
    Your price for this item is $94.96

  21. Filterbuy - 14x14x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H5GZ

    Product Description

    A gold electrostatic pleated HVAC filter made of polypropylene, ideal for trapping allergens and pet dander.
    See all Furnace Filters
    Your price for this item is $63.96

  22. Filterbuy - 15x30x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2H5H7

    Product Description

    A gold electrostatic pleated air filter made of polypropylene, ideal for trapping allergens and pet dander.
    See all Furnace Filters
    Your price for this item is $94.96

  23. Filterbuy - 20x23x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2HFHV

    Product Description

    An electrostatic pleated HVAC filter in gold polypropylene traps 95% of allergens, ideal for pet owners.
    See all Furnace Filters
    Your price for this item is $94.96

  24. Filterbuy - 18x30x2 MERV 11 Pet & Allergy Defense, Electrostatic Pleated HVAC AC Furnace Air Filters Replacement (4-Pack) - Gold

    SKU: JXT9F2HFGZ

    Product Description

    A gold electrostatic pleated HVAC filter made of polypropylene, ideal for trapping allergens and pet dander.
    See all Furnace Filters
    Your price for this item is $106.96
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Heat pump air filters help capture airborne dust and other particles as air circulates through your heating and cooling system, protecting indoor components from buildup and supporting proper airflow. Because a heat pump can provide both heating and cooling, checking its air filter is important throughout the year—not just during the summer or winter. In a ducted heat pump system, the filter is commonly located at a return air grille or near the indoor air handler; your owner’s manual can help you identify the correct location. Choosing a replacement heat pump filter starts with confirming the required dimensions, thickness, and filtration rating. Check both the size printed on the existing filter and the equipment manufacturer’s specifications, since nominal filter sizes can differ from actual measurements. A properly fitted HVAC air filter helps limit gaps that allow unfiltered air to bypass it, while a filter compatible with your system helps maintain the airflow needed for efficient heating and cooling. The best heat pump air filter for your home depends on your equipment’s requirements, household conditions, and maintenance needs. Minimum efficiency reporting value, or MERV, describes a filter’s ability to capture particles across specific size ranges; higher-rated filters generally capture smaller particles, but not every HVAC system can accommodate them without restricting airflow. Follow the manufacturer’s recommended filter specifications rather than assuming the highest MERV rating is the right choice. Check your filter monthly and follow the recommended replacement schedule, adjusting as needed for conditions such as pets, renovation dust, or heavy system use. Many disposable filters need replacement every one to three months, while some thicker filters have longer service intervals. Ductless mini-split heat pumps often use reusable filters with different cleaning requirements, so consult the unit’s instructions before washing or replacing them. For replacement, turn off the system and install the new filter with its airflow arrow pointing in the direction specified by the equipment instructions, typically toward the blower. Consistent heat pump filter maintenance supports airflow and helps keep routine heating and cooling care manageable.

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FAQ

In many ducted heat pump systems, the air filter is located behind a return-air grille or in a filter slot near the indoor air handler. Your system’s owner’s manual can help you identify the filter location.

Ducted heat pump systems generally use the same air filter in both heating and cooling modes. The filter is part of the indoor air-handling system, rather than the outdoor unit.

Disposable heat pump air filters are replaced as part of routine maintenance, while reusable filters are designed to be cleaned according to the manufacturer’s instructions. Check the filter’s labeling or documentation to determine which care method applies.

Follow your heat pump and filter manufacturers’ recommended inspection and replacement schedules. Maintenance intervals can vary depending on the filter type, household conditions, and how often your heating or cooling system runs.

Many ductless mini-split heat pumps have filters inside their indoor units. Their cleaning or replacement requirements may differ from those of ducted heat pump filters, so consult the unit’s owner’s manual for care instructions.

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Best Buy appLearn more
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Best Buy Canada

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.