Furnace Filter 20x25x1 Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Furnace Filter 20x25x1 sales on Amazon US totaled 104,600 units in July 2026 (▲ 6.1% vs. the prior month), generating an estimated $4,036,712 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 68.8% of unit volume and 61.8% of revenue, while a typical listing is priced at $46.83. The keyword itself pulled 9,825 Amazon queries over the same period (▼ 20.0% MoM).
Zooming out to the 12-month window ending July 2026, the furnace filter 20x25x1 Top 50 moved 935,750 units and $38,090,787 in cumulative sales — an average of 77,979 units and $3,174,232 per month. Monthly throughput topped out at 104,600 units in July 2026 and dipped to 43,900 in May 2026, leaving the latest reading 39.0% higher than August 2025.
Furnace Filter 20x25x1 Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
104.6K
▲ 6.1% MoM
Monthly Revenue 2026/07
$4M
▲ 3.8% MoM
Top 10 Market Share 2026/07
68.8%
Furnace Filter 20x25x1 Market Share & Sales Concentration on Amazon US — July 2026
The most-sold furnace filter 20x25x1 listing on Amazon US in July 2026 is ASIN B004Q69HIU (Brand: Filtrete), which sold 10,000 units at $22.99 apiece — equal to 9.6% of every unit tracked in this report.
The Top 10 ASINs account for 72,000 units and $2,492,880 in July 2026 — 68.8% of unit volume and 61.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Furnace Filter 20x25x1' on Amazon
July 2026
Is 68.8% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B004Q69HIU
Filtrete 20x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 24.68 x 0.81 in)
10K
▲ 0.0%vs. prior month
$220.2K
latest month
12-month trend
B00CJZ8PGU
Filterbuy 20x25x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)
10K
▲ 42.9%vs. prior month
$373.5K
latest month
12-month trend
B07FNXPGLG
Filtrete 20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)
10K
▲ 11.1%vs. prior month
$340.5K
latest month
12-month trend
B088BZ3BDX
Amazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
10K
▲ 0.0%vs. prior month
$314.5K
latest month
12-month trend
B0BVXDDZH7
Filtrete 20x25x5 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 19.63 x 24.75 x 4.31 in)
8K
▲ 14.3%vs. prior month
$387.3K
latest month
12-month trend
B07G2KSYZ7
Simply 20x25x1 Air Filter, Merv 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 19.75"x24.75"x0.75") DUST, Pet, & Allergy Control
7K
▼ 30.0%vs. prior month
$247K
latest month
12-month trend
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Best Furnace Filter 20x25x1 Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Filtrete is the best-performing furnace filter 20x25x1 brand in July 2026, moving 40,000 units across 6 ASINs for 55.6% of Top 10 volume. Amazon Basics follows with 15,000 units (20.8%), ahead of Filterbuy on 10,000 units (13.9%).
With 4 brands splitting the Top 10 and 90.3% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $35.64 to $37.96, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Filtrete
6 ASINs in Top 10
55.6%
Units
40K
Revenue
$1.4M
Avg. price
$36.24
B004Q69HIU
$22.99·★4.8·58.2K revsFiltrete 20x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 24.68 x 0.81 in)
Units sold10KB07FNXPGLG
$27.96·★4.8·26K revsFiltrete 20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 19.69x24.69x0.81 in)
Units sold10KB0BVXDDZH7
$49.99·★4.6·2.4K revsFiltrete 20x25x5 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 19.63 x 24.75 x 4.31 in)
Units sold8KB00TUDHVO6
$29.49·★4.8·33.2K revsFiltrete 20x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.62 x 24.62 x 0.78 in)
Units sold4KB07FNXPKYS
$55.99·★4.8·1.1K revsFiltrete 20x25x1 Air Filter, MERV 11, MPR 1000, Allergens and Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 6 HVAC Filters, Actual Size 19.68 x 24.68 x 0.81"
Units sold4KB00TUDHC0O
$30.99·★4.8·17.3K revsFiltrete 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)
Units sold4K
Amazon Basics
2 ASINs in Top 10
20.8%
Units
15K
Revenue
$456.6K
Avg. price
$35.64
B088BZ3BDX
$42.52·★4.6·9.9K revsAmazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
Units sold10KB0DQPD5693
$28.75·★4.6·1.3K revsAmazon Basics MERV 5 AC Furnace Air Filter, 20x20x1 inches, 6-Pack (Actual size: 19.75" x 19.75" x 0.75")
Units sold5K
Filterbuy
1 ASIN in Top 10
13.9%
Units
10K
Revenue
$373.5K
Avg. price
$37.96
B00CJZ8PGU
$37.96·★4.7·10.3K revsFilterbuy 20x25x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)
Units sold10K
Trending Furnace Filter 20x25x1 Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B07YYJTSF3 leads positive momentum with ▲ 300.0% MoM growth on 400 units, with B0C2Y262YK close behind at ▲ 200.0% MoM on 3K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B07YYJTSF3
Aerostar Air Filter 20x25x1 MERV 8 AC Filter, HVAC, Furnace Filter, 4 Pack | ACTUAL SIZE (19.75 x 24.75 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 (MPR 600)
Price
$32.96
Rating
4.6
Reviews
4K
Latest month sales
B0C2Y262YK
BNX TruFilter 20x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Dust, Pet, Smoke, Allergy MPR 1200 FPR 7
Price
$39.99
Rating
4.7
Reviews
6.5K
Latest month sales
B00CK027SG
Filterbuy 20x25x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)
Unlock to view ASIN details and product titles
Price
$44.98
Rating
4.8
Reviews
2.2K
Latest month sales
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