How does Dealophant rank furnace filters?

By price per filter, lowest first. Ranking never depends on affiliate links or partners.

Why compare the same MERV rating?

MERV measures how fine a filter captures particles. A higher rating costs more, so a fair comparison keeps it the same.

Are humidifier, water and vacuum filters included?

No. Those are kept off the ranking so only furnace and HVAC air filters are compared.

What's the cheapest furnace & HVAC air filters per filter on Amazon right now?

Dealophant ranks every furnace & HVAC air filters listing on Amazon by live price per filter, recalculated from the Amazon Product Advertising API on each search. The cheapest in-stock listing appears at the top of https://dealophant.com/compare/furnace-filters. Prices change frequently. Verify on Amazon before buying.

How does Dealophant calculate price per filter for furnace & HVAC air filters?

Total listing price is divided by the canonical filter count extracted from the product title. furnace & HVAC air filters is best compared by filter count, not by pack size or weight. Marketing labels like a "family size", a "value pack", or a "mega" box hide the real filter count, so Dealophant extracts the true number of filters from each title before dividing price by it. Cross-unit listings (for example a serving-count tub mixed in with weight-based tubs) are shown separately under "Other formats" so the price-per-filter ranking stays apples-to-apples.

Is bulk furnace & HVAC air filters actually cheaper per filter?

Usually yes, but not always. Dealophant has seen single-pack furnace & HVAC air filters undercut bulk on a per-filter basis when the smaller size is on sale or has a Subscribe & Save discount the bulk listing doesn't. That's why Dealophant always recomputes per-filter price live rather than assuming bigger = cheaper.

What's the typical price range per filter for furnace & HVAC air filters?

Across the 9 furnace & HVAC air filters listings Dealophant tracked on Amazon in the last two weeks, the median price per filter is $6.74 and the cheapest is $4.50. The live ranking is at https://dealophant.com/compare/furnace-filters.

Compare Furnace & HVAC Air Filters prices per filter on Amazon

Cheapest furnace & HVAC air filters per filter today: Amazon Basics MERV 5 AC Furnace Air Filter, 16x25x1 inches at $4.50 per filter ($26.97 total), as of Nov 13, 5:30 PM UTC.

Best picks right now

Lowest price per filter: Amazon Basics MERV 5 AC Furnace Air Filter, 16x25x1 inches, $4.50 per filter ($26.97 total)
Lowest total price: Filtrete 16x25x1 Air Filter, MERV 11, $11.49 per filter ($22.99 total)

Prices as of Nov 13, 5:30 PM UTC.

Furnace & HVAC Air Filters on Dealophant is ranked by real price per filter, not sticker price.

Compare furnace and HVAC air filter prices per filter on Amazon. Compare the same size and MERV rating.

Compare Furnace Filter Prices Per Filter

What's the typical cost per filter for furnace & HVAC air filters?

Right now, the median price per filter for furnace & HVAC air filters is $6.74 across 9 listings Dealophant is tracking on Amazon. The cheapest is Amazon Basics MERV 5 AC Furnace Air Filter, 16x25x1 inches, 6-Pack (Actual size: 15.75" x 24.75" x 0.75") at $4.50 per filter ($26.97 total).

How Furnace & HVAC Air Filters pricing is compared on Dealophant

Listings are ranked by price per filter. Marketing terms like "double roll", "mega pack", or "family size" are unwound, what matters is the actual filter count, which Dealophant extracts from the product title.

We calculate cost per filter, counting every filter across multi-pack listings.

Furnace & HVAC Air Filters prices right now

The middle half of the 9 furnace & HVAC air filters listings Dealophant is tracking cost between $5.73 and $10.99 per filter.

Bigger packs are cheaper here. Listings of 6 Filters or more cost a median $5.73 per filter, against $11.49 for 4 Filters or less.

Top furnace & HVAC air filters picks by price per filter

Amazon Basics MERV 5 AC Furnace Air Filter, 16x25x1 inches, 6-Pack (Actual size: 15.75" x 24.75" x 0.75"), $4.50 per filter ($26.97 total)
Filtrete 16x25x1 Air Filter, MERV 5, MPR 300, 6 HVAC Filters | Basic Dust & Lint, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow (Act. Size 15.69x24.69x0.81 in), $5.00 per filter ($29.97 total)
Amazon Basics 16x25x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Removes Dust, Pet, Allergen Control , Electrostatic, Removes Lint and Pollen (Actual Size: 15.75" x 24.75" x 0.75"), $5.73 per filter ($34.38 total)
Filterbuy 16x25x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75), $5.88 per filter ($35.27 total)
Simply 16x25x1 Air Filter, Merv 8, MPR 600, 4 Pack, Furnace Air Filter for HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control, $6.74 per filter ($26.97 total)

Prices as of Nov 13, 5:30 PM UTC.

The live ranking with filters is at https://dealophant.com/compare/furnace-filters.

Search Furnace & HVAC Air Filters by price per unit

Buyer's tips for furnace & HVAC air filters

Compare the same size and the same MERV rating: a higher rating filters more and usually costs more
Check the size printed on your current filter before you buy
Larger packs usually cost less per filter, but filters need replacing on a schedule, so only buy what you will use

Frequently asked questions about furnace & HVAC air filters

How does Dealophant rank furnace filters?: By price per filter, lowest first. Ranking never depends on affiliate links or partners.
Why compare the same MERV rating?: MERV measures how fine a filter captures particles. A higher rating costs more, so a fair comparison keeps it the same.
Are humidifier, water and vacuum filters included?: No. Those are kept off the ranking so only furnace and HVAC air filters are compared.
What's the cheapest furnace & HVAC air filters per filter on Amazon right now?: Dealophant ranks every furnace & HVAC air filters listing on Amazon by live price per filter, recalculated from the Amazon Product Advertising API on each search. The cheapest in-stock listing appears at the top of https://dealophant.com/compare/furnace-filters. Prices change frequently. Verify on Amazon before buying.
How does Dealophant calculate price per filter for furnace & HVAC air filters?: Total listing price is divided by the canonical filter count extracted from the product title. furnace & HVAC air filters is best compared by filter count, not by pack size or weight. Marketing labels like a "family size", a "value pack", or a "mega" box hide the real filter count, so Dealophant extracts the true number of filters from each title before dividing price by it. Cross-unit listings (for example a serving-count tub mixed in with weight-based tubs) are shown separately under "Other formats" so the price-per-filter ranking stays apples-to-apples.
Is bulk furnace & HVAC air filters actually cheaper per filter?: Usually yes, but not always. Dealophant has seen single-pack furnace & HVAC air filters undercut bulk on a per-filter basis when the smaller size is on sale or has a Subscribe & Save discount the bulk listing doesn't. That's why Dealophant always recomputes per-filter price live rather than assuming bigger = cheaper.
What's the typical price range per filter for furnace & HVAC air filters?: Across the 9 furnace & HVAC air filters listings Dealophant tracked on Amazon in the last two weeks, the median price per filter is $6.74 and the cheapest is $4.50. The live ranking is at https://dealophant.com/compare/furnace-filters.