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furnace filters

Air Filters For HVAC Systems

Find air filters for HVAC systems by matching your replacement filter’s dimensions and checking your system’s filtration requirements. Compare furnace and air conditioner filters by size and filter rating, and choose an option compatible with your equipment to help capture airborne particles while maintaining proper airflow.

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  1. Filtrete - 20" x 20" x 1" Allergen, Bacteria and Virus Smart Air Filter - White

    SKU: JXX69LZ8RV

    Great features!

    Product Description

    A white smart air filter with MERV 12 rating and app connectivity for advanced allergen and bacteria filtration.
    See all Air Purifier Filters & Parts
    Your price for this item is $135.02

  2. Filtrete - 20" x 25" x 1" Allergen, Bacteria and Virus Smart Air Filter - White

    SKU: JXX69LZ8Q6

    BEST FILTER EVER...Great Filter

    Product Description

    A white smart air filter with MERV 12 rating, Bluetooth sensor, and effective allergen and bacteria removal.
    See all Air Purifier Filters & Parts
    Your price for this item is $135.02

  3. Filtrete - 16" x 25" x 1" Allergen, Bacteria and Virus Smart Air Filter - White

    SKU: JXX69LZ8RG

    Product Description

    A white smart air filter with Bluetooth connectivity efficiently captures allergens, bacteria, and viruses in your HVAC system.
    See all Air Purifier Filters & Parts
    Your price for this item is $132.89

  4. Cabana Air Filters - 6 Pack HVAC Furnace Air Filters, MERV 11, 16 x 20 x 1 - White

    SKU: J3R858CXYX

    What I liked about these filters, it very durable, strong, made with great quality, and they don’t bend...These HVAC filters were the best I’ve encountered and it’s easy to replace. 6 pack makes have...

    Product Description

    A pack of white MERV 11 pleated HVAC filters providing efficient, eco-friendly air purification and easy installation.
    See all Furnace Filters
    Your price for this item is $44.99

  5. SPT - DC-Motor Air Cleaner with Plasma, HEPA & VOC - White

    SKU: J3WH6PPV2F

    Product Description

    A white air cleaner featuring plasma technology, HEPA and VOC filters, and an ionizer for advanced purification.
    See all Air Purifiers
    Your price for this item is $288.00
    Save $11
    The previous price was $299.00

  6. VEVOR - 20 x 25 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters - Black and White

    SKU: JJGHK4WZHX

    Product Description

    A black and white electrostatic cotton filter that captures fine particles and reduces air leaks for cleaner air.
    See all Lens Filters
    Your price for this item is $107.90
    Save $27
    The previous price was $134.99

  7. Amber Sporting Goods - Filtrete 12x12x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack

    SKU: J7LYLKP8V2

    Product Description

    An electrostatic pleated air filter that captures pet dander, smoke, pollen, and other common household allergens.
    See all Furnace Filters
    Your price for this item is $80.13

  8. HQRP - 12 in x 12 in x 1 in HVAC Air Filter - MERV 8 Furnace AC Replacement, Home Office Ventilation

    SKU: J3ZSLC67RC

    Product Description

    A MERV 8-rated corrugated cellulose air filter that captures dust, lint, and pet dander for cleaner airflow.
    See all HVAC Vent Covers
    Your price for this item is $13.95

  9. Filtrete - 16 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996V6XJ9

    Not the best. It works but isn’t as high of quality of other filters we’ve used in the past....Great when you have pets...Great filter especially if you have any pets at home....This filter is a great...

    Product Description

    A pleated polypropylene air filter with 700 MPR electrostatic media reduces dust, pollen, and pet dander.
    See all Furnace Filters
    Your price for this item is $29.99

  10. Filtrete - 14 in. W X 24 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996V6XLX

    Product Description

    A pleated electrostatic polypropylene air filter that captures dust, pollen, and pet dander for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $58.76

  11. Filtrete - 10 in. W X 10 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996VRPHG

    Product Description

    A pleated, electrostatically charged polypropylene air filter that captures dust, pollen, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $54.68

  12. Filtrete - 14 in. W X 18 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996VRPTZ

    Product Description

    A pleated, electrostatically charged polypropylene air filter that captures dust, pollen, pet dander, and lint.
    See all Furnace Filters
    Your price for this item is $56.61

  13. Filtrete - 18 in. W X 25 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996VRPQW

    Product Description

    A pleated, electrostatically charged polypropylene air filter that captures dust, pollen, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $56.95
    Save $2
    The previous price was $59.02

  14. Filtrete - 22 in. W X 22 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996VRPQJ

    Product Description

    A pleated, electrostatically charged polypropylene air filter that captures dust, pollen, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $107.56

  15. Filtrete - 12 in. W X 36 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996VRPRZ

    Product Description

    A pleated, electrostatically charged polypropylene air filter that captures dust, pollen, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $58.76
    Save $0
    The previous price was $59.02

  16. Filtrete - 20 in. W X 20 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk

    SKU: J7996V6X2F

    Product Description

    A pleated polypropylene air filter with 700 MPR electrostatic media that captures dust, pollen, and pet dander.
    See all Furnace Filters
    Your price for this item is $27.99

  17. Amber Sporting Goods - Filtrete MPR 1000 15 x 20 x 1 Micro Allergen Defense HVAC Air Filter, Uncompromised Airflow, Attracts Small Particles...

    SKU: J7LYLKP85H

    They are the very best. With good windows I seldom have to dust.

    Product Description

    A pleated electrostatic air filter that captures dust, pollen, pet dander, and smoke for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $83.67

  18. Amber Sporting Goods - Filtrete 14x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack

    SKU: J7LYLKP85Y

    Filtering Made Great

    Product Description

    A pleated electrostatic air filter with 1000 MPR captures allergens and microscopic particles for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $80.36

  19. Filtrete - High Performance 20" x 25" x 1" Pleated Air Filter, MERV 13 - Gold

    SKU: J7LYLZ6KG8

    great filter if you have pets.change filter every 3 months for best results....Love these filters...These filters work the best!

    Product Description

    A gold pleated electrostatic air filter that captures allergens, smoke, bacteria, and up to 72% of viruses.
    See all Furnace Filters
    Your price for this item is $44.99

  20. Filtrete - 14 in. W X 20 in. H X 1 in. D 300 MPR Pleated Filter Dust 1 pk

    SKU: J7LYLK3LXR

    Product Description

    A pleated electrostatic filter that captures dust, lint, and debris to improve indoor air quality.
    See all Furnace Filters
    Your price for this item is $46.87

  21. Filtrete - 20 in. W X 36 in. H X 1 in. D 1000 MPR Pleated Allergen Air Filter 1 pk

    SKU: J7LYSFPPY2

    Great filter!!...great results

    Product Description

    A pleated electrostatic air filter that captures fine and large particles for cleaner indoor air.
    See all Furnace Filters
    Your price for this item is $87.29

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

    SKU: J7LYLK3YPR

    THE BEST...Best filter for the average house on the market!...For over two decades I have been purchasing Filtrete products and I have found the 1900 to be the best

    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

  23. Filtrete - 12 in. W X 30 in. H X 1 in. D 1500 MPR Pleated Air Filter 1 pk

    SKU: J7LYLK3LZV

    [This review was collected as part of a promotion.] always buy the best one I can find and have not been...I love using Filtrete products.

    Product Description

    A pleated electrostatic air filter with MERV 12 rating that captures dust, pollen, and pet dander efficiently.
    See all Furnace Filters
    Your price for this item is $109.37

  24. Filtrete - 25 in. W X 25 in. H X 1 in. D 1500 MPR Pleated Air Filter 1 pk

    SKU: J7LYLK3G8Y

    Product Description

    A high-performance pleated air filter with MERV 12 rating that captures pollen, dust, and pet dander.
    See all Furnace Filters
    Your price for this item is $111.50
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Air filters for HVAC systems help protect heating and cooling equipment by capturing airborne particles as air moves through your home’s ductwork. Depending on the filter’s design and efficiency rating, an HVAC air filter can trap dust, lint, pollen, pet dander and other particles that would otherwise circulate or collect on system components. Choosing the right furnace filter or central air conditioner filter starts with checking your equipment manual for the recommended dimensions, filter type and efficiency range. Filter sizes typically list length, width and thickness, but the nominal size printed on the frame may differ slightly from the actual measurements, so confirm compatibility before purchasing a replacement air filter. Common options include basic fiberglass filters, pleated air filters and reusable filters designed for specific systems. Disposable pleated filters generally offer greater particle-capturing surface area than basic flat-panel options, while washable HVAC filters require cleaning and complete drying according to the manufacturer’s instructions. The Minimum Efficiency Reporting Value, or MERV rating, helps you compare how effectively HVAC filters capture particles of different sizes, with higher ratings indicating better capture of smaller particles under standardized testing. Many residential heating and cooling systems use filters in the MERV 8 to MERV 13 range, but the best HVAC air filter for your home is one that balances filtration performance with your system’s airflow requirements. A filter with greater airflow resistance than your equipment can accommodate may restrict circulation, so check manufacturer guidance or consult an HVAC professional before upgrading. For households with pets or concerns about airborne allergens, a compatible higher-efficiency filter can support indoor air quality, though it will not eliminate every pollutant or replace ventilation and routine cleaning. Check your filter regularly and follow its recommended replacement schedule; many disposable 1-inch filters need replacement every 30 to 90 days, while some thicker media filters can last longer. Actual replacement frequency depends on factors such as system runtime, household dust and pets. Keeping a properly fitted replacement HVAC filter on hand makes routine maintenance easier and helps prevent a clogged filter from reducing airflow through your heating and air conditioning system.

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FAQ

HVAC air filters commonly use fiberglass, polyester, or other synthetic fibers. Some reusable filters use metal mesh, while certain filters include activated carbon. Frames may be made from cardboard, plastic, or metal, depending on the filter design.

Pleated HVAC air filters have filter material folded into an accordion-like pattern. Non-pleated filters have a flat layer of material, often fiberglass or synthetic fibers. These terms describe the construction of the filter media.

Both options are available. Disposable HVAC air filters are replaced after use, while reusable filters are designed for periodic cleaning according to the manufacturer's instructions. Check the filter label to determine whether it is washable or disposable.

Many disposable HVAC air filters have recommended replacement intervals of 30 to 90 days, though schedules vary by filter type and household conditions. System usage, pets, and renovation dust can affect the schedule. Follow the filter and HVAC manufacturers' maintenance recommendations.

An HVAC air filter is commonly located in a designated compartment near the furnace or air handler, or behind a return-air grille on a wall or ceiling. Some homes have multiple filter locations. Your HVAC system's manual can help identify where filters are installed.

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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.