---
title: "16x25x3 Furnace Filter — $145K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/16x25x3-furnace-filter"
last_updated: "2026-08-07T20:11:26.676Z"
locale: en
meta:
description: "Niche score 52/100 · $145K/yr market · 22K searches/yr. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $145K/yr market · 22K searches/yr. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "16x25x3 Furnace Filter — $145K/yr Amazon US Niche (2026) - Flapen"
---
# **16x25x3 furnace filter**
**Worth a look**
Shows low returns (0.5%), but brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list.
Market size 31Growth 51Conversion 91Competition 36Returns 98Price range 95Avg price 90Brand share 3Review moat 46Quality gap 37
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Price range**
**Incredible****$34.21–$73.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****11.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$58.77**
avg listing price — sweet spot $15–$100
**Growth**
**Good****+21.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,930**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$145K**
$145K/yr · 22K searches
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 16x25x3 furnace filter is a $145K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jul. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **16x25x3 furnace filter market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$147K–$176K**
- units × avg price
- **Conversion rate**
- **11.0%**
- **Avg BSR**
- **#978**
- **Page quality**
- **0%**
- **Prime**
- **21%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **82 months**
- **Avg seller age**
- **202 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **—flat
**Sellers**
**20**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**0%**
- AIRx Filters50% - Filterbuy26% - Trion11% - Aerostar7% - BestAir4% - filvita1% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +21.9% search growth over the last 90 days.
700500Spike '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/16x25x3-furnace-filter/trend)
## **Top 16x25x3 furnace filter search terms**
- **16x25x3 furnace filter**11K/yr+5.8%10.6% conv. - **16x25x3 air filter**4K/yr+59.3%10.9% conv. - **16x25x3**3K/yr+44.9%6.2% conv. - **furnace filters 16x25x3**3K/yr+14.9%8.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/16x25x3-furnace-filter/search-terms)
## **Top 16x25x3 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%10%$14K20%$29K30%$43K40%$58K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**AIRx Filters 16x25x3 Furnace Filter MERV 8 Compatible with ReservePro 4521 Easy Installation For Allergens Dust Pollen & Dander Control 3-Pack**AIRx Filters**$55.26**4.4★19 rev](https://www.amazon.com/dp/B0CF7NKQ46) [2**AIRX FILTERS WICKED CLEAN AIR. 16x25x3 Air Filter MERV 13 Compatible with Air Bear 255649-101 Furnace Filter 3 Pack**AIRx Filters**$65.20**4.1★17 rev](https://www.amazon.com/dp/B0CF7VXY4H) [3**Filterbuy 16x25x3 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters for Trion Air Bear Lennox X0581 & More (Actual Size: 15.63 x 24.13 x 3.00)**Filterbuy**$57.32**4.6★19,747 rev](https://www.amazon.com/dp/B00NS2P6LA) [4**Filterbuy 16x25x3 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters for Trion Air Bear Lennox X0581 & More (Actual Size: 15.63 x 24.13 x 3.00)**Filterbuy**$60.40**4.6★13,433 rev](https://www.amazon.com/dp/B07QWHJD49) [5**16x25x3 Air Bear Cub HVAC Air Filter MERV 8 (4-Pack) (Actual Size: 15.75 x 24.75 x 3.06 Inches)**Trion**$66.71**4.4★23 rev](https://www.amazon.com/dp/B0F9BCRXT9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**16x25x3 Pleated HVAC Air Filter Replacement Compatible With Lennox X0581 BMAC-12 255649-101 MERV 13(Actual Size 15 3/4 x24 1/4x3) 1-Pack**filvita**$39.81**3 rev2mo ago](https://www.amazon.com/dp/B0GZJY9FGM) [**16x25x3 Air Filter MERV 11 (3-Pack) TRION Air Bear Pleated HVAC Air Filter Replacement (Actual Size: 15.75 x 24.25 x 3.0625 Inches)**Trion**$62.89**4 rev1y ago](https://www.amazon.com/dp/B0FFBMRKJ7) [**16x25x3 Air Bear Cub HVAC Air Filter MERV 8 (4-Pack) (Actual Size: 15.75 x 24.75 x 3.06 Inches)**Trion**$66.71**23 rev1y ago](https://www.amazon.com/dp/B0F9BCRXT9) [**AIRx Filters 16x25x3 Furnace Filter MERV 8 Compatible with ReservePro 4521 Easy Installation For Allergens Dust Pollen & Dander Control 3-Pack**AIRx Filters**$55.26**19 rev2y ago](https://www.amazon.com/dp/B0CF7NKQ46) [**AIRX FILTERS WICKED CLEAN AIR. 16x25x3 Air Filter MERV 13 Compatible with Air Bear 255649-101 Furnace Filter 3 Pack**AIRx Filters**$65.20**17 rev2y ago](https://www.amazon.com/dp/B0CF7VXY4H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**16x25x3 Pleated HVAC Air Filter Replacement Compatible With Lennox X0581 BMAC-12 255649-101 MERV 13(Actual Size 15 3/4 x24 1/4x3) 1-Pack**filvita**$39.81**5.0★**▲ 239%**](https://www.amazon.com/dp/B0GZJY9FGM) [**AIRX FILTERS WICKED CLEAN AIR. 16x25x3 Air Filter MERV 11 Compatible with White Rodgers FR1200TM-100 Furnace Filter 3 Pack**AIRx Filters**$52.77**4.5★**▲ 185%**](https://www.amazon.com/dp/B0CF827LVV) [**AIRx Filters 16x25x3 Furnace Filter MERV 8 Compatible with ReservePro 4521 Easy Installation For Allergens Dust Pollen & Dander Control 3-Pack**AIRx Filters**$55.26**4.4★**▲ 177%**](https://www.amazon.com/dp/B0CF7NKQ46) [**AIRx Filters 16x25x3 Furnace Filter MERV 8 HVAC AC Air Filter Replacement for Air Bear Trion 255649-101 Contaminant Reducing Moisture Resistant 3-Pack**AIRx Filters**$61.09**4.6★**▲ 165%**](https://www.amazon.com/dp/B079TFH3SD) [**AIRx Filters 16x25x3 MERV 11 HVAC AC Furnace Air Filter Replacement for Lennox X0581 X5427 Allergy 3-Pack Made in the USA**AIRx Filters**$62.58**4.6★**▲ 96%**](https://www.amazon.com/dp/B079TBCBBN)
**~~View all trending →~~**
## **What buyers say about 16x25x3 furnace filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**32%
*“Great quality filter”*
**Quality-Overall**28%
*“The product seems well made”*
**Value For Money**12%
*“Nice price for the package”*
**Size-Overall**8%
*“Perfect fit”*
**Efficiency**6%
*“Works”*
**Advertised Vs Actual Product**3%
*“Exactly what I needed”*
**Strength**2%
*“are sturdy enough to slide in”*
**Leak-Proof**2%
*“no leaks around the filter due to foam seals around filter”*
### **What buyers complain about **
**Size-Overall**35%
*“Wont fit”*
**Filtration**19%
*“One of the filters was damaged”*
**Allergies**13%
*“Grate filters for allergies”*
**Height**10%
*“the exterior height dimension should be just a bit shorter”*
**Value For Money**6%
*“Expensive”*
**Thickness**6%
*“Just thin plastic around the bare filters”*
### **Top return reasons **
**Size-Overall**63%
**Filtration**18%
**Compatibility-Overall**6%
**Functionality-Overall**3%
**Defective Material/Parts**2%
**Assembly/Installation**2%
**Material Quality**1%
**Thickness**1%
**Quality-Overall**1%
**Value For Money**1%
## **Common questions**
- **Is 16x25x3 furnace filter profitable to sell on Amazon United States?**
- The niche generates $145K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +21.9%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the 16x25x3 furnace filter niche?**
- 6 brands and 20 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in 16x25x3 furnace filter?**
- Top complaints mined from reviews: Size-Overall, Filtration, Allergies. The return rate is 0.5%.
- **When does demand for 16x25x3 furnace filter peak?**
- Demand peaks in Jul; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the 16x25x3 furnace filter niche?**
- Listings span $34.21–$73.29; the average listing price is $58.77 (sweet spot $15–$100). The average incumbent carries 1,930 reviews — the moat a new listing must climb.
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