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16x25x4 Furnace Filter

Maybe

Shoppers spend $6.6M a year here. But the top 5 brands take 99% of clicks, so 16x25x4 Furnace Filter is a Maybe.

Flapen Score
57
57 / 100
Top 15% of 9,536 Tools & Home Improvement niches · +9 vs the category median of 48
Market size
$6.6M/yr892K searches / yr
90-day growth
+8.5%search demand this quarter
Competition
70%top-5 click share · 6 brands · 40 sellers

Flapen Score

16x25x4 Furnace Filter against its category

The dotted line is the Tools & Home Improvement average. Past it, 16x25x4 Furnace Filter is stronger. Inside it, weaker.

57Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 16x25x4 Furnace Filter market on Amazon at a glance

Shoppers on Amazon United States searched for 16x25x4 Furnace Filter 892K times last year and spent an estimated $6.6M. The top 5 brands take 99% of clicks. Demand peaks in Oct. Flapen scores it 57 out of 100, a Maybe.

01 · Demand

12.5% of searches ended in a purchase last week.

Shoppers searched for this 892K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 12.5% of those searches ended in a purchase. Searches in the last 90 days moved +8.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $6.6M a year.

Searches, last 12 months
892K
Growth, 90 days vs prior 90
+8.5%
Conversion, latest week
12.5%
Market size, estimated
$6.6Ma year
Peak month
October1.7× the quietest month
Top search term
16x25x4 furnace filter257K searches a year

02 · Price

A sale here is worth $59.14.

Listings sell for $59.14 on average, from $36.04 to $90.60. Amazon reports units sold in ranges. This niche sold 100K to 125K a year. The average listing sells 4,000 to 5,000 of them. At $59.14 that is $237K to $296K a year per listing.

Average price
$59.14inside the $15 to $100 sweet spot
Price range
$36.04–$90.60
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
100K–125K
Units per listing a year
4,000–5,000
Revenue per listing a year
$237K–$296K
Returns
0.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

69% of listings pay for placement with sponsored ads. 56% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #49 within Furnace Parts & Accessories. It carries 12,639 reviews at 4.54 stars, so a new listing needs social proof before a better product.

Sponsored listings
69%
Prime listings
56%
Out of stock, average day
0.0%
Average rank
#49in Furnace Parts & Accessories
Average rating
4.54 starsAmazon United States average 4.42 stars
Average reviews
12,639per listing
Listings tracked
16

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 51 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
51 months

Products

Top 16x25x4 Furnace Filter products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 70% of clicks. Leaders hold, but buyers still shop past them.

$0$329K$659K$988K$1.3M101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

40

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

0%

  • Filtrete50%
  • Filterbuy38%
  • Simply7%
  • Nordic Pure3%
  • Honeywell1%
  • MANN+HUMMEL1%
  • Open — no brand owns it (0%)

Demand

16x25x4 Furnace Filter search demand

Weekly searches over the year, seasonality beneath. Pick a range.

25K15KSpike '24Holiday '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.7×

Search terms

Top 16x25x4 Furnace Filter search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 16x25x4 furnace filter257K/yr
  • 16x25x4 air filter195K/yr
  • furnace filters 16x25x4156K/yr
  • air filter 16x25x449K/yr
  • 16x25x436K/yr
  • filtrete 16x25x430K/yr
  • 16 x 25 x 4 air filter21K/yr
  • furnace filter 16x25x426K/yr
  • 16x25x4 filter16K/yr
  • filter 16x25x416K/yr

Reviews and returns

What reviews say buyers love and hate about 16x25x4 Furnace Filter

We read the reviews and the return reasons for every product selling here.

21%of positive reviews mention “Size-Overall”
54%of negative reviews mention “Size-Overall”
0.9%of orders come back
“DOES NOT FIT”
A buyer, on “Size-Overall”54% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common 16x25x4 Furnace Filter questions

Answered from the same tracked data.