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Best picks

Best Furnace Filters

These picks come straight from the data: verified Amazon ratings, review counts, and prices we observed on recorded dates across 8 tracked products. No sponsored placements, no guesses. Prices last checked 2026-09-03.

As an Amazon Associate, this site earns from qualifying purchases. Product links are affiliate links, and prices and availability shown are accurate as of the date noted and can change. See our editorial policy for details.

Top rated

Filtrete 14x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 13.68 x 24.68 x 0.81 in)

Highest Amazon rating among the products we track in this category.

Amazon rating: 4.8 across 58,265 ratings. Price observed: $30.37 on 2026-09-03.

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Lowest observed price

Filtrete 16x25x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 2 HVAC Filters (Act Size 15.62x24.62x0.78 in)

Lowest price we observed among tracked products rated 4.0 or higher with 50+ ratings.

Amazon rating: 4.8 across 17,294 ratings. Price observed: $29.99 on 2026-08-29.

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Also worth a look

Filtrete 20x20x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 2 HVAC Filters(Act Size 19.62x19.62x0.78 in)

Next-highest Amazon rating among the products we track in this category.

Amazon rating: 4.8 across 17,298 ratings. Price observed: $31 on 2026-09-03.

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Everything we track in this category

Tracked products ranked by verified Amazon rating (prices observed 2026-09-03)
ModelAmazon ratingObserved priceChecked
Filtrete 16x25x1 Air Filter, MERV 11, MPR 1000, 6 HVAC Filters | Allergens & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 15.68x24.68x0.81 in)4.8 (11,881 ratings)$61.992026-08-29
Filtrete 16x25x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 2 HVAC Filters (Act Size 15.62x24.62x0.78 in)4.8 (17,294 ratings)$29.992026-08-29
Filtrete 20x25x1 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters | Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, (Act. Size 19.62x24.62x0.78 in)4.8 (17,294 ratings)$36.992026-08-29
Filtrete 20x25x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.69x24.69x0.78 in)4.8 (1,079 ratings)$36.992026-08-29
Filtrete 14x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 13.68 x 24.68 x 0.81 in)4.8 (58,265 ratings)$30.372026-09-03
Filtrete 20x20x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 2 HVAC Filters(Act Size 19.62x19.62x0.78 in)4.8 (17,298 ratings)$312026-09-03
BNX TruFilter 20x20x1 Air Filter MERV 13 AC Filter, HVAC Furnace Filter, 4 Pack (ACTUAL SIZE 19.68"x19.68"x0.75") Allergies, Dust, Pet Dander & Smoke - MADE IN USA - MPR1500 / FPR 104.7 (11,347 ratings)$42.742026-09-03
Filtrete 16x20x1 AC Furnace Air Filter, MERV 8, MPR 700, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 15.688 x 19.688 x 0.78 in)4.7 (6,494 ratings)$45.142026-09-03