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20x20x5 Air Filter

Maybe

An estimated 0.8% of orders come back. But the top 5 brands take 93% of clicks, so 20x20x5 Air Filter is a Maybe.

Flapen Score
58
58 / 100
Top 12% of 9,536 Tools & Home Improvement niches · +10 vs the category median of 48
Market size
$681K/yr110K searches / yr
90-day growth
+25.5%search demand this quarter
Competition
66%top-5 click share · 8 brands · 18 sellers

Flapen Score

20x20x5 Air Filter against its category

The dotted line is the Tools & Home Improvement average. Past it, 20x20x5 Air Filter is stronger. Inside it, weaker.

58Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 20x20x5 Air Filter market on Amazon at a glance

Shoppers on Amazon United States searched for 20x20x5 Air Filter 110K times last year and spent an estimated $681K. The top 5 brands take 93% of clicks. Demand peaks in Aug–Sep. Flapen scores it 58 out of 100, a Maybe.

01 · Demand

An estimated 10.7% of those searches ended in a purchase.

Shoppers searched for this 110K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.7% of those searches ended in a purchase. Searches in the last 90 days moved +25.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $681K a year.

Searches, last 12 months
110K
Growth, 90 days vs prior 90
+25.5%
Conversion, latest week
10.7%
Market size, estimated
$681Ka year
Peak month
August7.6× the quietest month
Top search term
20x20x5 air filter52K searches a year

02 · Price

A sale here is worth $57.54.

Listings sell for $57.54 on average, from $28.83 to $88.51. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 750 to 1,000 of them. At $57.54 that is $43K to $58K a year per listing.

Average price
$57.54inside the $15 to $100 sweet spot
Price range
$28.83–$88.51
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
750–1,000
Revenue per listing a year
$43K–$58K
Returns
0.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

100% 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 #464 within Furnace Parts & Accessories. It carries 2,851 reviews at 4.51 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
56%
Out of stock, average day
0.0%
Average rank
#464in Furnace Parts & Accessories
Average rating
4.51 starsAmazon United States average 4.42 stars
Average reviews
2,851per listing
Listings tracked
16

04 · Newcomers

2 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 63 months on average, so the names here are established.

Launched, last 12 months
3
Successful launches
2Amazon's first-year sales bar
Average brand age
63 months

Products

Top 20x20x5 Air Filter products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.

$0$68K$136K$204K$272K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

18

Est. top-5 brand share

93%

Top 20: 100%

Est. top-5 click share

66%

Top 20: 100%

Open market

4%

  • Filterbuy41%
  • Nordic Pure24%
  • AIRx Filters18%
  • BNX5%
  • Lennox4%
  • Sikidink3%
  • Open — no brand owns it (2 brands, 4%)

Demand

20x20x5 Air Filter search demand

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

30K20KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26DecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 7.6×

Search terms

Top 20x20x5 Air Filter search terms shoppers use

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

  • 20x20x5 air filter52K/yr
  • 20x20x5 furnace filter14K/yr
  • 20x20x58K/yr
  • air filter 20x20x58K/yr
  • 20x20x5 air filter merv 116K/yr
  • 20 x 20 x 5 air filter4K/yr
  • 20x20x5 air filter merv 134K/yr
  • 20x20x5 filter4K/yr
  • furnace filters 20x20x54K/yr
  • furnace filter 20x20x54K/yr

Reviews and returns

What reviews say buyers love and hate about 20x20x5 Air Filter

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

28%of positive reviews mention “Filtration”
28%of negative reviews mention “Size-Overall”
0.8%of orders come back
“still could not get it to fit”
A buyer, on “Size-Overall”28% 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.

16 topics

NegativePositive

FAQ

Common 20x20x5 Air Filter questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data