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52

honeywell 16x25x4 furnace filter

Worth a look

Shows searches that convert (14.3% search→purchase), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Market size 76Growth 34Conversion 96Competition 23Returns 88Price range 59Avg price 85Brand share 19Review moat 49Quality gap 20

Conversion

Incredible14.3%

search→purchase rate — share of searches ending in a sale

Returns

Great1.4%

return rate — above 5% kills the launch gate

Avg price

Great$73.03

avg listing price — sweet spot $15–$100

Market size

Great$893K

$893K/yr · 85K searches

Price range

Good$35.63–$144.45

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay1,622.58

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+7.4%

90-day search growth — must beat 0% to launch

Competition

Bad73%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, honeywell 16x25x4 furnace filter is a $893K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

honeywell 16x25x4 furnace filter market data

Units sold / yr
10K–13K
avg 1,000–1,250/product
Revenue / yr
$730K–$913K
units × avg price
Conversion rate
14.3%
Avg BSR
#276
Page quality
0%
Prime
67%
Sponsored
50%
Out of stock
0.0%
Avg brand age
58 months
Avg seller age
184 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

55

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

4%

  • Honeywell56%
  • Honeywell Home15%
  • Filtrete11%
  • Wholesalehome6%
  • Homequip4%
  • Henmfely4%
  • Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +7.4% search growth over the last 90 days.
2K2KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top honeywell 16x25x4 furnace filter search terms

  • honeywell 16x25x4 furnace filter16K/yr
  • honeywell filter 16x25x410K/yr
  • honeywell air filter 16x25x48K/yr
  • fc100a10297K/yr
  • honeywell home air filter 16x25x47K/yr
  • honeywell fc100a10296K/yr
  • fc100a1029 honeywell air filter 16x25x45K/yr
  • honeywell furnace filters 16x25x46K/yr
  • honeywell 16x25x45K/yr
  • honeywell 16x25x4 merv 114K/yr
All search terms

Top honeywell 16x25x4 furnace filter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$134K30%$268K45%$402K60%$536K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about honeywell 16x25x4 furnace filter

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration23%

“Perfect replacement filters”

Size-Overall21%

“Exact fit”

Quality-Overall17%

“Good quality”

Value For Money14%

“Good Price”

Advertised Vs Actual Product12%

“As advertised”

Assembly/Installation1%

“Easy install”

Durability1%

“lasts a while”

Compatibility-Overall1%

“Perfect fit for Honeywell”

Ease Of Use1%

“Very nice convenient”

Maintenance And Repair0%

“but they are easy to replace”

What buyers complain about

Size-Overall49%

“To small”

Filtration15%

“Filter didn't fit”

Advertised Vs Actual Product8%

“False advertising”

Quality-Overall6%

“Why such a poor quality control”

Value For Money3%

“They are pricey”

Ease Of Use2%

“then getting it out took quite a bit of effort”

Compatibility-Overall2%

“Do not fit Honeywell”

Allergies2%

“As a year-around allergy sufferer”

Strength2%

“so also not sturdy enough”

Compactness1%

“It does take up a lot of space”

Top return reasons

Size-Overall66%
Filtration17%
Compatibility-Overall7%
Value For Money3%
Advertised Vs Actual Product2%
Defective Material/Parts1%
Thickness1%
Functionality-Overall1%
Maintenance And Repair1%
Product Condition0%

Common questions

Is honeywell 16x25x4 furnace filter profitable to sell on Amazon United States?
The niche generates $893K/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +7.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the honeywell 16x25x4 furnace filter niche?
7 brands and 55 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in honeywell 16x25x4 furnace filter?
Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 1.4%.
When does demand for honeywell 16x25x4 furnace filter peak?
Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the honeywell 16x25x4 furnace filter niche?
Listings span $35.63–$144.45; the average listing price is $73.03 (sweet spot $15–$100). The average incumbent carries 1,623 reviews — the moat a new listing must climb.