---
title: "Honeywell 20x20x4 Air Filter — $269K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/honeywell-20x20x4-air-filter"
last_updated: "2026-08-09T21:40:28.558Z"
locale: en
meta:
description: "Niche score 48/100 · $269K/yr market · 28K searches/yr · $78.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $269K/yr market · 28K searches/yr · $78.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Honeywell 20x20x4 Air Filter — $269K/yr Amazon US Niche (2026) - Flapen"
---
# **honeywell 20x20x4 air filter**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 49Growth 23Conversion 95Competition 31Returns 82Price range 52Avg price 83Brand share 25Review moat 73Quality gap 22
**Conversion**
**Incredible****12.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$78.24**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****573.8**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$36.65–$158.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$269K**
$269K/yr · 28K searches
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****90%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-4.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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 20x20x4 air filter is a $269K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **honeywell 20x20x4 air filter market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$313K–$391K**
- units × avg price
- **Conversion rate**
- **12.2%**
- **Avg BSR**
- **#373**
- **Page quality**
- **0%**
- **Prime**
- **40%**
- **Sponsored**
- **80%**
- **Out of stock**
- **10.6%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▲rising
**Sellers**
**40**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**6%**
- Honeywell31% - RESIDEO28% - Wholesalehome12% - Honeywell Home11% - Filtrete7% - DerBlue4% - Open — no brand owns it (2 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -4.2% search growth over the last 90 days.
700500Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/honeywell-20x20x4-air-filter/trend)
## **Top honeywell 20x20x4 air filter search terms**
- **honeywell 20x20x4 air filter**9K/yr+13.4%12.0% conv. - **honeywell filter 20x20x4**4K/yr-4.8%13.1% conv. - **fc100a1011**3K/yr+8.8%11.0% conv. - **20x20x4 air filter honeywell**4K/yr-29.3%13.1% conv. - **honeywell fc100a1011**3K/yr-21.6%17.3% conv. - **honeywell 20x20x4 air filter merv 11**3K/yr-17.4%19.8% conv. - **honeywell air filter 20x20x4**3K/yr+11.3%15.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/honeywell-20x20x4-air-filter/search-terms)
## **Top honeywell 20x20x4 air 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%$27K20%$54K30%$81K40%$108K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2-Pack)**RESIDEO**$67.99**4.9★59 rev](https://www.amazon.com/dp/B0G5B48QP3) [2**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2)**Honeywell**$67.20**4.7★109 rev](https://www.amazon.com/dp/B00NAAT27E) [3**20x20x4 Air Filter Replacement MERV 11 FC100A1011 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches)**Wholesalehome**$67.50**5.0★30 rev](https://www.amazon.com/dp/B0G3S1351H) [4**Honeywell FC100A1011 20 x 20 x 4 replacement media air furnace filter**Honeywell Home**$36.65**4.6★1,360 rev](https://www.amazon.com/dp/B007BL2CLG) [5**Honeywell FC100A1011 Replacement Media Air Furnace Filter MERV 11 20 x 20 x 4.5 in 4 Packages**Honeywell**$117.72**4.7★79 rev](https://www.amazon.com/dp/B07JBJDQCN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2-Pack)**RESIDEO**$67.99**59 rev7mo ago](https://www.amazon.com/dp/B0G5B48QP3) [**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (5-Pack)**RESIDEO**$157.03**59 rev7mo ago](https://www.amazon.com/dp/B0G5B6DMBF) [**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (1-Pack)**RESIDEO**$40.79**59 rev7mo ago](https://www.amazon.com/dp/B0G5B3F2JR) [**20x20x4 Air Filter Replacement MERV 11 FC100A1011 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches)**Wholesalehome**$67.50**30 rev8mo ago](https://www.amazon.com/dp/B0G3S1351H) [**BETTFILTER 20x20x4 AC Furnace Air Filter Compatible with Honeywell FC100A1011 MERV 11 HAVC Filter Replacement Actual Size:19.94x19.75x4.38 Pack of 2**BETTFILTER**$52.33**29 rev8mo ago](https://www.amazon.com/dp/B0G399BQYW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (5-Pack)**RESIDEO**$157.03**4.9★**▲ 107%**](https://www.amazon.com/dp/B0G5B6DMBF) [**Honeywell FC100A1011 Media GENUINE OEM 2-Pack Special**Honeywell**$58.19**4.7★**▲ 65%**](https://www.amazon.com/dp/B018V0GOXM) [**20x20x4 Air Filter Replacement MERV 11 FC100A1011 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches)**Wholesalehome**$67.50**5.0★**▲ 62%**](https://www.amazon.com/dp/B0G3S1351H) [**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (1-Pack)**RESIDEO**$40.79**4.9★**▲ 45%**](https://www.amazon.com/dp/B0G5B3F2JR) [**Honeywell FC100A1011-20 x 20 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2)**Honeywell**$67.20**4.7★**▲ 38%**](https://www.amazon.com/dp/B00NAAT27E)
**~~View all trending →~~**
## **What buyers say about honeywell 20x20x4 air filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“Exact fit”*
**Filtration**25%
*“Filters work great”*
**Advertised Vs Actual Product**15%
*“As advertised”*
**Quality-Overall**13%
*“The quality of the filter material is about on par with the mass market”*
**Value For Money**10%
*“Saves me money”*
**Efficiency**4%
*“Work great”*
**Charging**2%
*“Works, and a lot cheaper then what the ac company was going to charge me”*
**Durability**2%
*“Used them for years”*
**Assembly/Installation**1%
*“Easy to assemble”*
**Strength**1%
*“It is just sturdy enough to hold together”*
### **What buyers complain about **
**Size-Overall**41%
*“Larger than listed”*
**Filtration**15%
*“The filters do not fit”*
**Quality-Overall**13%
*“Does nor look as good as other brands”*
**Compatibility-Overall**7%
*“Will not fit”*
**Durability**4%
*“it barely lasted 6 months”*
**Assembly/Installation**4%
*“Also comes unassembled”*
**Functionality-Overall**2%
*“Didn't work for me”*
**Advertised Vs Actual Product**2%
*“This product was wider than advertised”*
**Heating**2%
*“Never operate in your heating”*
**Thickness**1%
*“the filter is one thin layer thick”*
### **Top return reasons **
**Size-Overall**71%
**Filtration**13%
**Compatibility-Overall**10%
**Advertised Vs Actual Product**3%
**Assembly/Installation**2%
**Thickness**1%
**Product Condition**0%
**Defective Material/Parts**0%
**Maintenance And Repair**0%
**Value For Money**0%
## **Common questions**
- **Is honeywell 20x20x4 air filter profitable to sell on Amazon United States?**
- The niche generates $269K/yr across 15 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -4.2%. Flapen's verdict: Skip it (48/100).
- **How competitive is the honeywell 20x20x4 air filter niche?**
- 8 brands and 40 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in honeywell 20x20x4 air filter?**
- Top complaints mined from reviews: Size-Overall, Filtration, Quality-Overall. The return rate is 1.6%.
- **When does demand for honeywell 20x20x4 air filter peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the honeywell 20x20x4 air filter niche?**
- Listings span $36.65–$158.45; the average listing price is $78.24 (sweet spot $15–$100). The average incumbent carries 574 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)