---
title: "20x24x1 Air Filter — $2.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/20x24x1-air-filter"
last_updated: "2026-08-06T21:08:28.344Z"
locale: en
meta:
  description: "Niche score 60/100 · $2.1M/yr market · 350K searches/yr · $44.45 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · $2.1M/yr market · 350K searches/yr · $44.45 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "20x24x1 Air Filter — $2.1M/yr Amazon US Niche (2026) - Flapen"
---

# **20x24x1 air filter**

**Launch it**

A $2.1M/yr market growing +37.0% this quarter with returns at 0.7% — clears our launch bar.

Market size 95Growth 61Conversion 96Competition 30Returns 97Price range 95Avg price 95Brand share 11Review moat 15Quality gap 21

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****13.6%**

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

**Market size**

**Incredible****$2.1M**

$2.1M/yr · 350K searches

**Avg price**

**Incredible****$44.45**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$27.33–$79.67**

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

**Growth**

**Good****+37.0%**

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

**Competition**

**Okay****67%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****22,963.06**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****96%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 20x24x1 air filter is a $2.1M/yr Amazon United States market (350K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Launch it — 60/100.

Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **20x24x1 air filter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**40K–50K**</dd><dd>avg 2,000–2,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.8M–$2.2M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**13.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#45**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**67%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**1.5%**</dd>

<dt>**Avg brand age**</dt><dd>**61 months**</dd>

<dt>**Avg seller age**</dt><dd>**168 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**49**

**Top-5 brand share**

**96%**

Top 20: 100%

**Top-5 click share**

**67%**

Top 20: 100%

**Open market**

**2%**

- Filtrete42% - Filterbuy29% - Simply18% - BNX4% - Flanders3% - TRIGHTFILTERS2% - Open — no brand owns it (2 brands, 2%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +37.0% search growth over the last 90 days.

10K6KSpike '25Prime Day '25Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 1.9×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/20x24x1-air-filter/trend)

## **Top 20x24x1 air filter search terms**

- **20x24x1 air filter**168K/yr+35.9%12.8% conv. - **air filter 20x24x1**36K/yr+35.8%12.0% conv. - **ac filter 20x24x1**17K/yr+80.5%9.3% conv. - **20 x 24 x 1 air filter**16K/yr+7.8%9.8% conv. - **24x20x1 air filter**15K/yr+32.6%10.9% conv. - **20x24x1 air filter 6 pack**11K/yr+25.6%16.7% conv. - **20x24x1**10K/yr+40.0%12.0% conv. - **20 x 24 x 1 air filters for home**10K/yr+86.0%14.3% conv. - **furnace filters 20x24x1**10K/yr+3.0%8.0% conv. - **air filters 20x24x1**8K/yr+38.6%15.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/20x24x1-air-filter/search-terms)

## **Top 20x24x1 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%5%$106K10%$212K15%$319K20%$425K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Filtrete 20x24x1 Air Filter MERV 5 6-Pack AC Furnace Filters for Home HVAC MPR 300 Basic Dust Defense Removes Lint & Household Dust 3-Month Pleated Electrostatic (Actual Size 19.81x23.81x0.81 in)](https://m.media-amazon.com/images/I/41iYCc+asFL.jpg)**Filtrete 20x24x1 Air Filter MERV 5 6-Pack AC Furnace Filters for Home HVAC MPR 300 Basic Dust Defense Removes Lint & Household Dust 3-Month Pleated Electrostatic (Actual Size 19.81x23.81x0.81 in)**Filtrete**$35.67**4.7★160,547 rev](https://www.amazon.com/dp/B07FNW9VTV) [2![Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/51GTAYPWOoL.jpg)**Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$37.70**4.6★3,940 rev](https://www.amazon.com/dp/B00CJZ8P5Q) [3![Simply 20x24x1 Air Filter Merv 8 6 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x23.75x0.75) DUST Pet & Allergy Control](https://m.media-amazon.com/images/I/51ji51X3JOL.jpg)**Simply 20x24x1 Air Filter Merv 8 6 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x23.75x0.75) DUST Pet & Allergy Control**Simply**$36.30**4.7★53,363 rev](https://www.amazon.com/dp/B09RHLKQJ2) [4![Filtrete 20x24x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters (Actual Size 19.68 x 23.68 x 0.81 in)](https://m.media-amazon.com/images/I/41nmk-QYIlL.jpg)**Filtrete 20x24x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters (Actual Size 19.68 x 23.68 x 0.81 in)**Filtrete**$28.31**4.8★57,731 rev](https://www.amazon.com/dp/B00TUDHMB8) [5![Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/51-8RQtFmYL.jpg)**Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$45.64**4.7★51,098 rev](https://www.amazon.com/dp/B00CK027IQ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Filtrete 20x24x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6-Pack (Actual Size 19.81 x 23.81 x 0.81 in)](https://m.media-amazon.com/images/I/41sp0UBU1aL.jpg)**Filtrete 20x24x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6-Pack (Actual Size 19.81 x 23.81 x 0.81 in)**Filtrete**$27.33**627 rev1y ago](https://www.amazon.com/dp/B0DMTG6FPV) [![TRIGHTFILTERS 20x24x1 Air Filter 4 Pack MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter Durable and Lightweight](https://m.media-amazon.com/images/I/41oD-HwmmJL.jpg)**TRIGHTFILTERS 20x24x1 Air Filter 4 Pack MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter Durable and Lightweight**TRIGHTFILTERS**$32.84**1,900 rev2y ago](https://www.amazon.com/dp/B0D5ML5GQJ) [![BNX TruFilter 20x24x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7](https://m.media-amazon.com/images/I/51nBMRf0RqL.jpg)**BNX TruFilter 20x24x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7**BNX**$54.28**6,309 rev3y ago](https://www.amazon.com/dp/B0CB24D33N) [![Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/51Cq6HtpbdL.jpg)**Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$79.67**363 rev3y ago](https://www.amazon.com/dp/B01M2321HC) [![BNX TruFilter 20x24x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Pollen Mold Bacteria Smoke Allergen MPR 1900 FPR 10](https://m.media-amazon.com/images/I/516we0dKuaL.jpg)**BNX TruFilter 20x24x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Pollen Mold Bacteria Smoke Allergen MPR 1900 FPR 10**BNX**$59.62**7,885 rev3y ago](https://www.amazon.com/dp/B0C6RQLZYD)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Filtrete 20x24x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6-Pack (Actual Size 19.81 x 23.81 x 0.81 in)](https://m.media-amazon.com/images/I/41sp0UBU1aL.jpg)**Filtrete 20x24x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6-Pack (Actual Size 19.81 x 23.81 x 0.81 in)**Filtrete**$27.33**4.6★**▲ 202%**](https://www.amazon.com/dp/B0DMTG6FPV) [![Simply 20x24x1 Air Filter Merv 8 4 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x23.75x0.75) DUST Pet & Allergy Control](https://m.media-amazon.com/images/I/51w-5rjRrFL.jpg)**Simply 20x24x1 Air Filter Merv 8 4 Pack For Home AC Furnace & HVAC (Actual Size: 19.75x23.75x0.75) DUST Pet & Allergy Control**Simply**$28.96**4.6★**▲ 128%**](https://www.amazon.com/dp/B09R4YW71T) [![Filterbuy 20x24x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/517M+dc13hL.jpg)**Filterbuy 20x24x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$55.11**4.4★**▲ 43%**](https://www.amazon.com/dp/B00CK03O2O) [![Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/51-8RQtFmYL.jpg)**Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$45.64**4.7★**▲ 20%**](https://www.amazon.com/dp/B00CK027IQ) [![Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)](https://m.media-amazon.com/images/I/51Cq6HtpbdL.jpg)**Filterbuy 20x24x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.38 x 23.38 x 0.75)**Filterbuy**$79.67**4.6★**— 4%**](https://www.amazon.com/dp/B01M2321HC)

**~~View all trending →~~**

## **What buyers say about 20x24x1 air filter**

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

### **What buyers love **

**Size-Overall**21%

*“Great fit”*

**Value For Money**20%

*“fair price”*

**Filtration**20%

*“Great filters”*

**Quality-Overall**14%

*“Good quality”*

**Advertised Vs Actual Product**13%

*“As Described”*

**Assembly/Installation**2%

*“Easy installation”*

**Ease Of Use**2%

*“Practical”*

**Material Quality**2%

*“Nice solid product, easy to install, looks great”*

**Efficiency**2%

*“Works perfectly”*

**Noise Level**1%

*“dogs hair heavy dust allergies airflow super good noise level excellent”*

### **What buyers complain about **

**Size-Overall**46%

*“Not true to size”*

**Filtration**20%

*“The worse filters ever”*

**Quality-Overall**7%

*“Cheaply made”*

**Value For Money**7%

*“It will cost you way more than the few dollars of savings”*

**Advertised Vs Actual Product**4%

*“Actual size does not match printed size”*

**Strength**3%

*“some were slightly bent”*

**Smell**1%

*“Dirty smell”*

**Ease Of Cleaning**1%

*“Absolute garbage, do not buy this, they smell, not clean”*

**Durability**1%

*“However these arent holding up a week”*

**Design-Overall**1%

*“poor casing construction”*

### **Top return reasons **

**Size-Overall**84%

**Filtration**8%

**Compatibility-Overall**4%

**Advertised Vs Actual Product**1%

**Certifications**1%

**Defective Material/Parts**1%

**Value For Money**1%

**Quality-Overall**1%

**Thickness**0%

**Functionality-Overall**0%

## **Common questions**

<dl>

<dt>**Is 20x24x1 air filter profitable to sell on Amazon United States?**</dt><dd>The niche generates $2.1M/yr across 18 tracked products. 90-day search growth is +37.0%. Flapen's verdict: Launch it (60/100).</dd>

<dt>**How competitive is the 20x24x1 air filter niche?**</dt><dd>8 brands and 49 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 96% of demand.</dd>

<dt>**What do buyers complain about in 20x24x1 air filter?**</dt><dd>Top complaints mined from reviews: Size-Overall, Filtration, Quality-Overall. The return rate is 0.7%.</dd>

<dt>**When does demand for 20x24x1 air filter peak?**</dt><dd>Demand peaks in Jun–Jul–Aug; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the 20x24x1 air filter niche?**</dt><dd>Listings span $27.33–$79.67; the average listing price is $44.45 (sweet spot $15–$100). The average incumbent carries 22,963 reviews — the moat a new listing must climb.</dd>

</dl>

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