whole house fan
Worth a lookShows demand growing +90.8% this quarter, but pricing outside the sweet spot ($822.51 avg) keeps it on the watch list.
Growth
Great+90.8%90-day search growth — must beat 0% to launch
Review moat
Great274.36avg incumbent reviews — the moat a new listing must climb
Competition
Great39%top-5 click share — an open shelf
Market size
Great$864K$864K/yr · 233K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.8%return rate — above 5% kills the launch gate
Brand share
Bad95%top-5 brand share — brand-locked demand
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Price range
Bad$76.97–$2014.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad$822.51avg listing price — sweet spot $15–$100
According to Flapen's Amazon United States niche tracking, whole house fan is a $864K/yr Amazon United States market (233K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 54/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
whole house fan market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $617K–$823K
- units × avg price
- Conversion rate
- 0.4%
- Avg BSR
- #765
- Page quality
- 0%
- Prime
- 61%
- Sponsored
- 82%
- Out of stock
- 7.0%
- Avg brand age
- 45 months
- Avg seller age
- 172 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
10 flat
Sellers
87
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
39%
Top 20: 89%
Open market
4%
- Quietcool62%
- Master Flow11%
- Centric Air11%
- AC Infinity7%
- Air King5%
- iLiving1%
- Open — no brand owns it (4 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +90.8% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 6.9×
Top whole house fan search terms
- whole house fan143K/yr
- quiet cool whole house fan22K/yr
- whole house fans for attic15K/yr
- whole house attic fan14K/yr
- quietcool whole house fan11K/yr
- whole-house fan7K/yr
- whole house fans9K/yr
- whole house exhaust fan6K/yr
- whole house attic fan ceiling mount6K/yr
Top whole house 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Quietcool QC CL-4700 RF Classic Advanced Whole House Fan with Wireless Control - Up to 4415 CFM - Two Speed - Covers up to 2 208 SQFT - 10 Year Warranty - Removable Grille
Quietcool$1071.444.7★215 rev
Quietcool QC ES-7000 RF Energy Saver Advanced Whole House Fan with Wireless Control - Up to 6878 CFM - As low as 164 watts - Two Speed - Covers up to 3 439 SQFT - 10 Year Warranty
Quietcool$1735.694.5★106 rev
Quietcool QC ES-4700 RF Energy Saver Advanced Whole House Fan with Wireless Control - Up to 4195 CFM - As low as 75 watts - Two Speed - Covers up to 2 098 SQFT - 10 Year Warranty - Removable Grille
Quietcool$1335.284.4★159 rev
Quietcool GA PRO-2.0 Garage Whole House Fan - Up to 1834 CFM - As low as 133 Watts - Integrated Fire Damper - Wireless RF Control - 20ft Power Cord - Plug-and-play - Covers up to Four Car Garage
Quietcool$347.584.3★118 rev
Master Flow GAF 24 Direct Drive 4500 CFM Whole House Fan with Shutter - 1/4 HP Permanent split-capictor Motor - Pull Chain Operation - WHFS24M
Master Flow$341.244.1★21 rev
Newest
by launch dateQuietcool QC ES-7000 RF Energy Saver Advanced Whole House Fan with Wireless Control - Up to 6878 CFM - As low as 164 watts - Two Speed - Covers up to 3 439 SQFT - 10 Year Warranty
Quietcool$1735.69106 rev
Air King 20 1/6 HP Whole House Window Fan with 3-Speeds and Storm Guards for Circulation and Exhausting Air 9166 Black
Air King$235.8851 rev
Quietcool QC CL-4700 RF Classic Advanced Whole House Fan with Wireless Control - Up to 4415 CFM - Two Speed - Covers up to 2 208 SQFT - 10 Year Warranty - Removable Grille
Quietcool$1071.44215 rev
Quietcool QC ES-5400 RF Energy Saver Advanced Whole House Fan with Wireless Control - Up to 5003 CFM - As low as 89 watts - Two Speed - Covers up to 2 502 SQFT - 10 Year Warranty
Quietcool$1446.5510 rev
Quietcool QC ES-2250 Energy Saver Advanced Whole House Fan - Up to 2465 CFM - As low as 80 watts - Two Speed - Covers up to 1 246 SQFT - 10 Year Warranty - Removable Grille - R5 Insulated Dampers
Quietcool$992.8459 rev
Trending
90-day click momentum
Cool Attic CX24DDWT Direct Drive 2-Speed Whole House Attic Fan with Shutter 24 Inch
Cool Attic$406.624.1★
Quietcool GA PRO-2.0 Garage Whole House Fan - Up to 1834 CFM - As low as 133 Watts - Integrated Fire Damper - Wireless RF Control - 20ft Power Cord - Plug-and-play - Covers up to Four Car Garage
Quietcool$347.584.3★
Master Flow GAF 24 Direct Drive 4500 CFM Whole House Fan with Shutter - 1/4 HP Permanent split-capictor Motor - Pull Chain Operation - WHFS24M
Master Flow$341.244.1★
AC Infinity CLOUDWAY Whole House EC Fan T12 1600 CFM with Temperature Humidity Controller WiFi Integrated App Control Ceiling Mount House Attic Vent Fan Exhaust Home Ventilation System
AC Infinity$537.704.1★
Quietcool QC ES-2250 Energy Saver Advanced Whole House Fan - Up to 2465 CFM - As low as 80 watts - Two Speed - Covers up to 1 246 SQFT - 10 Year Warranty - Removable Grille - R5 Insulated Dampers
Quietcool$992.844.2★
What buyers say about whole house fan
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality fan”
“very quiet”
“Fast install”
“Good value”
“Love it, very efficient”
“It works as advertised”
“fan is very powerful”
“let the fan automatically turn on when the space heats up is incredibly convenient”
“After 6 months, it still works great”
“Cool house”
What buyers complain about
“It is very noisy”
“Not worth the price”
“very poor quality”
“Not fully wifi capable as I thought it would be”
“the installation is NONSENSE”
“Relatively small”
“usually broke down quickly”
“Does not work as it should”
“It has a plastic frame that seemed flimsy”
“Waste of money and time, thermostat never worked”
Top return reasons
Common questions
- Is whole house fan profitable to sell on Amazon United States?
- The niche generates $864K/yr across 33 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +90.8%. Flapen's verdict: Worth a look (54/100).
- How competitive is the whole house fan niche?
- 10 brands and 87 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in whole house fan?
- Top complaints mined from reviews: Noise Level, Value For Money, Quality-Overall. The return rate is 2.8%.
- When does demand for whole house fan peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 6.9× the quietest.
- What does it cost to enter the whole house fan niche?
- Listings span $76.97–$2014.46; the average listing price is $822.51 (sweet spot $15–$100). The average incumbent carries 274 reviews — the moat a new listing must climb.