whole house fan switch
Skip itA small market ($43K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$35.47avg listing price — sweet spot $15–$100
Price range
Great$13.65–$124.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good669.39avg incumbent reviews — the moat a new listing must climb
Growth
Good+32.9%90-day search growth — must beat 0% to launch
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay3.5%return rate — above 5% kills the launch gate
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Bad$43K$43K/yr · 27K searches
According to Flapen's Amazon United States niche tracking, whole house fan switch is a $43K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun–Aug. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
whole house fan switch market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $53K–$71K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #139
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 33%
- Out of stock
- 5.0%
- Avg brand age
- 91 months
- Avg seller age
- 147 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
76
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
2%
- Intermatic39%
- Quietcool15%
- KB ELECTRONICS13%
- Woods11%
- Leviton10%
- Master Flow10%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — +32.9% search growth over the last 90 days.Peak months: Jun, Aug · busiest ÷ quietest = 3.3×
Top whole house fan switch search terms
- whole house fan switch10K/yr
- attic fan switch7K/yr
- quiet cool timer switch6K/yr
- whole house fan timer switch5K/yr
Top whole house fan switch 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Intermatic EI220W-1 in-Wall Countdown Timer Switch Whole House Fan White
Intermatic$31.074.7★216 rev
QuietCool Whole House Fan Wireless Switch - No Hard Wiring Required - Three Speed Capable - 1/2/4/8/12 Hour Countdown Timer - up to 100ft Range - Batteries Included (IT-RFGLSSWITCH-01)
Quietcool$57.534.1★41 rev
GAF Master Flow Speed Fan Control Switch for Whole House Fans - Control Low/High Speed & Off 12-Hour Timer Compatible Easy Installation
Master Flow$27.634.5★43 rev
KB Electronics 8811007 Solid State Variable Speed AC Electric Motor Control 6.0 Max amp 115V # K177-1006
KB ELECTRONICS$29.024.3★466 rev
Southwire Woods In-Wall 8-Hour Digital Countdown Timer - Automatic Shut-Off Timer - Energy-Efficient Wall-Mounted Timer - Durable Digital Timer - Easy-Installation Indoor Timer
Woods$15.134.6★484 rev
Newest
by launch dateQuietCool Whole House Fan Wireless Switch - No Hard Wiring Required - Three Speed Capable - 1/2/4/8/12 Hour Countdown Timer - up to 100ft Range - Batteries Included (IT-RFGLSSWITCH-01)
Quietcool$57.5341 rev
Intermatic EI220W-1 in-Wall Countdown Timer Switch Whole House Fan White
Intermatic$31.07216 rev
Leviton Countdown Timer Switch for household lights heaters and exhaust fans 30 min 1-2-4 hour No Neutral Wire Required Single Pole 15A 1/2 HP/9.8A Fan/Motor DT104-1LW White
Leviton$23.621,445 rev
Quietcool Smart Attic Fan Control - Thermostat and Humidistat - App Control - Built-in Presets - Fire Safety Shut-Off - Perfect Replacement for Existing Attic Fan Thermostats
Quietcool$67.3876 rev
Quietcool Whole House Fan Wireless Control Kit - No Hard Wiring Required for Wall Switch - Three Speed Capable - 1/2/4/8/12 Hour Countdown Timer - Up to 100ft Range - Batteries Included (Glass)
Quietcool$124.6224 rev
Trending
90-day click momentum
KB Electronics Model KBWC-15K (UR) Variable Speed Fan Control Wall Mount Rated 5.0 Amps @ 120 VAC for use with Shaded Pole and PSC Motors
KB ELECTRONICS$31.844.4★
KB Electronics Model KBWC-18K (UL) Variable Speed Fan Control Wall Mount Rated 8.0 Amps @ 120 VAC for use with Shaded Pole and PSC Motors
KB ELECTRONICS$48.444.3★
Quietcool Smart Attic Fan Control - Thermostat and Humidistat - App Control - Built-in Presets - Fire Safety Shut-Off - Perfect Replacement for Existing Attic Fan Thermostats
Quietcool$67.384.0★
Southwire Woods In-Wall 60-Minute Digital Countdown Timer - Automatic Shut-Off Timer - Energy-Efficient Wall-Mounted Timer - Durable Digital Timer - Easy-Installation Indoor Timer
Woods$13.654.4★
QuietCool Whole House Fan Wireless Switch - No Hard Wiring Required - Three Speed Capable - 1/2/4/8/12 Hour Countdown Timer - up to 100ft Range - Batteries Included (IT-RFGLSSWITCH-01)
Quietcool$57.534.1★
What buyers say about whole house fan switch
What buyers praise and complain about, mined from review topics.What buyers love
“Installation was no problem”
“Works as advertised”
“Just as described, great timer”
“well worth the money”
“Quality products”
“it works very well”
“It's easy to use”
“Always linked up with no issues”
“There is no discernible noise”
“seems very durable”
What buyers complain about
“does not last”
“Cheap”
“Also included instruction's are inadequate for sure”
“Didn't work for me”
“Does not fit a standard all plate”
“Bad timer”
“It makes my ceiling fan produce a humming noise so I got rid of it”
“Not that easy to install”
“It appears to be a fire hazard as shown in the photos”
“this 8amp switch still got hot to the touch”
Top return reasons
Common questions
- Is whole house fan switch profitable to sell on Amazon United States?
- The niche generates $43K/yr across 18 tracked products. 90-day search growth is +32.9%. Flapen's verdict: Skip it (46/100).
- How competitive is the whole house fan switch niche?
- 7 brands and 76 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in whole house fan switch?
- Top complaints mined from reviews: Durability, Quality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 3.5%.
- When does demand for whole house fan switch peak?
- Demand peaks in Jun–Aug; the busiest month runs 3.3× the quietest.
- What does it cost to enter the whole house fan switch niche?
- Listings span $13.65–$124.62; the average listing price is $35.47 (sweet spot $15–$100). The average incumbent carries 669 reviews — the moat a new listing must climb.