---
title: "Crawl Space Fan — $194K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/crawl-space-fan"
last_updated: "2026-08-08T22:39:24.204Z"
locale: en
meta:
description: "Niche score 48/100 · $194K/yr market · 118K searches/yr · $88.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $194K/yr market · 118K searches/yr · $88.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Crawl Space Fan — $194K/yr Amazon US Niche (2026) - Flapen"
---
# **crawl space fan**
**Skip it**
Weak search conversion (1.8%) — this niche doesn't clear our bar today.
Market size 38Growth 78Conversion 23Competition 39Returns 23Price range 45Avg price 79Brand share 34Review moat 88Quality gap 60
**Review moat**
**Great****245**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$88.59**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+67.1%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$59.69–$148.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$194K**
$194K/yr · 118K searches
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****5.5%**
return rate — above 5% kills the launch gate
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, crawl space fan is a $194K/yr Amazon United States market (118K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **crawl space fan market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$221K–$266K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#557**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**23**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**9%**
- CADPXS32% - ALORAIR25% - Abestorm13% - AC Infinity8% - Pewoaoa8% - Tjernlund6% - Open — no brand owns it (3 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +67.1% search growth over the last 90 days.
5K4KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/crawl-space-fan/trend)
## **Top crawl space fan search terms**
- **crawl space fan**30K/yr+87.1%1.7% conv. - **crawlspace fan**14K/yr+103.8%1.0% conv. - **crawl space vent fan**19K/yr+46.8%1.7% conv. - **crawlspace ventilation fan**15K/yr+23.6%1.4% conv. - **basement ventilation fan**9K/yr+92.6%0.4% conv. - **crawlspace vent fan**5K/yr+103.2%3.1% conv. - **basement exhaust fan**8K/yr+47.8%0.2% conv. - **crawlspace fan with humidistat**4K/yr+35.8%1.7% conv. - **foundation vent fan**4K/yr+106.4%1.5% conv. - **crawl space exhaust fan**4K/yr+18.1%0.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/crawl-space-fan/search-terms)
## **Top crawl space fan 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%$19K20%$39K30%$58K40%$77K1101001K 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**CADPXS Crawlspace Ventilation Fan Crawlspace Fan Vent with Humidistat Dehumidistat & Freeze Protection Thermostat for Crawl Spaces/Basement/Garage/Attic/Hydroponics Grow Tents (220 CFM Air Out)**CADPXS**$107.33**4.5★412 rev](https://www.amazon.com/dp/B089ZVKV8L) [2**ALORAIR 540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat 8.7 inches Basement Vent Fans with Isolation Mesh Ventilator Fan for Crawl Space Basement Attic Garage Exhaust**ALORAIR**$77.11**4.4★152 rev](https://www.amazon.com/dp/B0BNKX457T) [3**Pewoaoa 240 CFM Crawlspace Vent Fan With Thermostat Humidistat For Moisture Reduction Radon Mitigation Freeze Protection Ideal for Basement Attic Crawl Space Fan Vent(Air Out) 3-year warranty**Pewoaoa**$89.18**4.5★31 rev](https://www.amazon.com/dp/B0FHWFRSN1) [4**Tjernlund V2D Underaire Crawlspace Ventilator Fan Moisture Reducing 220 CFM**Tjernlund**$115.98**4.5★838 rev](https://www.amazon.com/dp/B000N4WOWK) [5**Abestorm 260CFM Crawlspace Ventilation Fans IP-55 Rated Exhaust Fan with Humidistat Thermostat 6.7 Inch Basement Vent Fan with Isolation Mesh for Crawl Space Garage Attic Exhaust Commercial**Abestorm**$59.69**4.3★262 rev](https://www.amazon.com/dp/B0D5HZ6VKV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WARMOASIS 220 CFM Crawl Space Vent Fan with Dehumidistat & Thermostat Dual Knobs for Speed & Humidity Control 3000 RPM Reduces Indoor Radon Humidity & Odors High-Efficiency Ventilation**WARMOASIS**$70.21**21 rev11mo ago](https://www.amazon.com/dp/B0FN7JG1SR) [**SUNSHORE Crawlspace Fan 220 CFM Basement Ventilation Fan with Humidistat Dehumidistat & Freeze Protection Thermostat for Crawl Spaces Basement Garage Attic Hydroponics**SUNSHORE**$63.40**3 rev11mo ago](https://www.amazon.com/dp/B0FMNC665T) [**Pewoaoa 240 CFM Crawlspace Vent Fan With Thermostat Humidistat For Moisture Reduction Radon Mitigation Freeze Protection Ideal for Basement Attic Crawl Space Fan Vent(Air Out) 3-year warranty**Pewoaoa**$89.18**31 rev11mo ago](https://www.amazon.com/dp/B0FHWFRSN1) [**ALORAIR 260 CFM Stainless Steel Crawl Space Ventilation Fan with Humidistat Dehumidistat IP55 Rated Crawlspace Vent Fan for Foundation Basements Garage Attic**ALORAIR**$69.13**142 rev2y ago](https://www.amazon.com/dp/B0D9NX3F4B) [**Abestorm 260CFM Crawlspace Ventilation Fans IP-55 Rated Exhaust Fan with Humidistat Thermostat 6.7 Inch Basement Vent Fan with Isolation Mesh for Crawl Space Garage Attic Exhaust Commercial**Abestorm**$59.69**262 rev2y ago](https://www.amazon.com/dp/B0D5HZ6VKV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SUNSHORE Crawlspace Fan 220 CFM Basement Ventilation Fan with Humidistat Dehumidistat & Freeze Protection Thermostat for Crawl Spaces Basement Garage Attic Hydroponics**SUNSHORE**$63.40**5.0★**▲ 114%**](https://www.amazon.com/dp/B0FMNC665T) [**Abestorm 260CFM Crawlspace Ventilation Fans IP-55 Rated Exhaust Fan with Humidistat Thermostat 6.7 Inch Basement Vent Fan with Isolation Mesh for Crawl Space Garage Attic Exhaust Commercial**Abestorm**$59.69**4.3★**▲ 88%**](https://www.amazon.com/dp/B0D5HZ6VKV) [**Durablow 220 CFM Air-Out Stainless Steel Crawl Space Vent Fan Dual Fans Foundation Vent Radon Mitigation for Crawl Space Basement with Freeze Protection Thermostat (Stainless steel M2)**Durablow**$78.58**4.6★**▲ 68%**](https://www.amazon.com/dp/B07H25SYBL) [**Abestorm 540CFM Crawlspace Ventilation Fans IP-55 Grade Basements Vent Fan 8.7 inches Ventilator Fan with Freeze Protection Thermostat Dehumidistat for Crawl Space Basement Attic Garage Exhaust**Abestorm**$81.50**4.2★**▲ 67%**](https://www.amazon.com/dp/B0BXB3F745) [**ALORAIR 570 CFM Crawlspace Ventilator Fan with Humidistat Stainless Steel Exhaust Vent Fans with Digital Display Timing Cycle Freeze Protection Thermostat for Basement Garage Attic Grow Tent**ALORAIR**$89.36**4.4★**▲ 60%**](https://www.amazon.com/dp/B0CDPK61CL)
**~~View all trending →~~**
## **What buyers say about crawl space fan**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Noise Level**17%
*“It is quiet and nice,”*
**Assembly/Installation**15%
*“easy to install”*
**Value For Money**12%
*“Great value for the money”*
**Quality-Overall**12%
*“Great quality and easy installation”*
**Advertised Vs Actual Product**8%
*“The fan operates as stated”*
**Moist/Dry**4%
*“Moisture removal fan”*
**Smell**4%
*“Our crawl space is drier, cleaner and the dank odor is gone”*
**Functionality-Overall**4%
*“Great item works good”*
**Strength**2%
*“feels really solidly made”*
**Temperature Control**2%
*“Helps to keep the garage temperature down”*
### **What buyers complain about **
**Functionality-Overall**19%
*“Stopped working”*
**Noise Level**14%
*“the fan is loud”*
**Quality-Overall**9%
*“Junk”*
**Size-Overall**8%
*“the dimensions just didn't work for my project”*
**Strength**7%
*“Not strong enough”*
**Durability**7%
*“will not last”*
**Storage Capacity**6%
*“Was not adequate for my 450 sq ft she shed crawl space”*
**Maintenance And Repair**5%
*“Installed and maintained professionally yet still failed”*
**Water Resistance**3%
*“Looks waterlogged as the screen Has water dropplets in it”*
**Instructions/User Manual/Troubleshooting**3%
*“It is a to complex control panel and/or not good enough instructions”*
### **Top return reasons **
**Size-Overall**44%
**Functionality-Overall**16%
**Advertised Vs Actual Product**9%
**Noise Level**7%
**Defective Material/Parts**4%
**Compatibility-Overall**3%
**Durability**3%
**Value For Money**3%
**Assembly/Installation**2%
**Connectivity-Overall**1%
## **Common questions**
- **Is crawl space fan profitable to sell on Amazon United States?**
- The niche generates $194K/yr across 19 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +67.1%. Flapen's verdict: Skip it (48/100).
- **How competitive is the crawl space fan niche?**
- 9 brands and 23 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in crawl space fan?**
- Top complaints mined from reviews: Functionality-Overall, Noise Level, Quality-Overall. The return rate is 5.5% — above our launch gate.
- **When does demand for crawl space fan peak?**
- Demand peaks in Jun–Jul–Aug; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the crawl space fan niche?**
- Listings span $59.69–$148.84; the average listing price is $88.59 (sweet spot $15–$100). The average incumbent carries 245 reviews — the moat a new listing must climb.
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