---
title: "Honeywell 16x25x4 Furnace Filter — $893K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/honeywell-16x25x4-furnace-filter"
last_updated: "2026-08-07T19:57:40.598Z"
locale: en
meta:
description: "Niche score 52/100 · $893K/yr market · 85K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $893K/yr market · 85K searches/yr. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Honeywell 16x25x4 Furnace Filter — $893K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Incredible****14.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.4%**
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**
**Okay****1,622.58**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+7.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/honeywell-16x25x4-furnace-filter/trend)
## **Top honeywell 16x25x4 furnace filter search terms**
- **honeywell 16x25x4 furnace filter**16K/yr+23.3%9.2% conv. - **honeywell filter 16x25x4**10K/yr+33.5%12.4% conv. - **honeywell air filter 16x25x4**8K/yr+31.1%12.8% conv. - **fc100a1029**7K/yr+21.4%9.7% conv. - **honeywell home air filter 16x25x4**7K/yr-0.9%17.0% conv. - **honeywell fc100a1029**6K/yr+3.1%17.4% conv. - **fc100a1029 honeywell air filter 16x25x4**5K/yr-4.3%18.0% conv. - **honeywell furnace filters 16x25x4**6K/yr-22.8%12.1% conv. - **honeywell 16x25x4**5K/yr+9.6%12.7% conv. - **honeywell 16x25x4 merv 11**4K/yr+5.6%16.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/honeywell-16x25x4-furnace-filter/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Honeywell FC100A1029 (2 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$65.96**4.8★385 rev](https://www.amazon.com/dp/B0D68B7LYS) [2**Honeywell FC100A1029 16 x 25 x 4 Media Air Filter (MERV 11)**Honeywell Home**$35.63**4.7★3,434 rev](https://www.amazon.com/dp/B003IGNRPI) [3**16x25x4 Air Filter Replacement MERV 11 FC100A1029 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 5-Pack (Actual Size: 15.94 x 24.86 x 4.38 Inches)**Wholesalehome**$141.44**4.9★26 rev](https://www.amazon.com/dp/B0G3QX3RBV) [4**Honeywell Home 16x25x4 MERV 8 AC Furnace Air Filter 3 PACK (CF408F1625-3PKAM) (Actual Dimensions: 15.63 x 24.75 x 4.38 in.)**Honeywell Home**$87.15**4.7★837 rev](https://www.amazon.com/dp/B098ZLN5GW) [5**Honeywell FC100A1029 (5 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$144.45**4.8★385 rev](https://www.amazon.com/dp/B0D68JYYSR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**16x25x4 Air Filter Replacement MERV 11 FC100A1029 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 5-Pack (Actual Size: 15.94 x 24.86 x 4.38 Inches)**Wholesalehome**$141.44**26 rev8mo ago](https://www.amazon.com/dp/B0G3QX3RBV) [**2 Pack 16x25x4 Pleated Furnace Filter - Replacement for Honeywell FC100A1029 Foldable Design Actual Size 15.94 x 24.86 x 4.38 Inches**Henmfely**$52.14**3 rev8mo ago](https://www.amazon.com/dp/B0GL8NVHCR) [**BETTFILTER 16x25x4 AC Furnace Air Filter Compatible with Honeywell FC100A1029 MERV 11 HAVC Filter Replacement Actual Size:15.94x24.86x4.38 Pack of 2**BETTFILTER**$51.10**55 rev1y ago](https://www.amazon.com/dp/B0FNQ2G9WY) [**Honeywell FC100A1029 (2 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$65.96**385 rev2y ago](https://www.amazon.com/dp/B0D68B7LYS) [**Honeywell FC100A1029 (5 Pack) - 16 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$144.45**385 rev2y ago](https://www.amazon.com/dp/B0D68JYYSR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**16x25x4 Air Filter Replacement MERV 11 FC100A1029 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 5-Pack (Actual Size: 15.94 x 24.86 x 4.38 Inches)**Wholesalehome**$141.44**4.9★**▲ 232%**](https://www.amazon.com/dp/B0G3QX3RBV) [**2 Pack 16x25x4 Pleated Furnace Filter - Replacement for Honeywell FC100A1029 Foldable Design Actual Size 15.94 x 24.86 x 4.38 Inches**Henmfely**$52.14**4.6★**▲ 180%**](https://www.amazon.com/dp/B0GL8NVHCR) [**Furnace Filters 16x25x4 - HVAC Air Filter Replacement FC100A1029 Merv 11 with Homequip Easy Disposal Bag (2 Pack)**Homequip**$76.13**4.8★**▲ 21%**](https://www.amazon.com/dp/B00HL1XS5U) [**Honeywell FC100A1029 Air Filter - 16x25x4 - 2-Pack**Honeywell**$55.64**4.8★**— 2%**](https://www.amazon.com/dp/B003VCI7RW) [**Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)**Filtrete**$43.58**4.6★**— 1%**](https://www.amazon.com/dp/B09RQCMR5V)
**~~View all trending →~~**
## **What buyers say about honeywell 16x25x4 furnace filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**23%
*“Perfect replacement filters”*
**Size-Overall**21%
*“Exact fit”*
**Quality-Overall**17%
*“Good quality”*
**Value For Money**14%
*“Good Price”*
**Advertised Vs Actual Product**12%
*“As advertised”*
**Assembly/Installation**1%
*“Easy install”*
**Durability**1%
*“lasts a while”*
**Compatibility-Overall**1%
*“Perfect fit for Honeywell”*
**Ease Of Use**1%
*“Very nice convenient”*
**Maintenance And Repair**0%
*“but they are easy to replace”*
### **What buyers complain about **
**Size-Overall**49%
*“To small”*
**Filtration**15%
*“Filter didn't fit”*
**Advertised Vs Actual Product**8%
*“False advertising”*
**Quality-Overall**6%
*“Why such a poor quality control”*
**Value For Money**3%
*“They are pricey”*
**Ease Of Use**2%
*“then getting it out took quite a bit of effort”*
**Compatibility-Overall**2%
*“Do not fit Honeywell”*
**Allergies**2%
*“As a year-around allergy sufferer”*
**Strength**2%
*“so also not sturdy enough”*
**Compactness**1%
*“It does take up a lot of space”*
### **Top return reasons **
**Size-Overall**66%
**Filtration**17%
**Compatibility-Overall**7%
**Value For Money**3%
**Advertised Vs Actual Product**2%
**Defective Material/Parts**1%
**Thickness**1%
**Functionality-Overall**1%
**Maintenance And Repair**1%
**Product Condition**0%
## **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.
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