Is greenhouse fan profitable to sell on Amazon United States?

The niche generates $1.0M/yr across 119 tracked products. 19 of 21 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (54/100).

How competitive is the greenhouse fan niche?

31 brands and 75 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in greenhouse fan?

Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 2.0%.

When does demand for greenhouse fan peak?

Demand peaks in Apr–May; the busiest month runs 4.5× the quietest.

What does it cost to enter the greenhouse fan niche?

Listings span $6.22–$723.51; the average listing price is $107.83 (sweet spot $15–$100). The average incumbent carries 4,242 reviews — the moat a new listing must climb.

greenhouse fan

Worth a look

Shows a fragmented shelf (top 5 take 18% of clicks), but prices mostly outside the sweet spot ($6.22–$723.51) keeps it on the watch list.

Competition

Incredible18%

top-5 click share — an open shelf

Market size

Great$1.0M

$1.0M/yr · 619K searches

Returns

Good2.0%

return rate — above 5% kills the launch gate

Avg price

Good$107.83

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Review moat

Bad4,241.96

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-1.8%

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

Conversion

Bad1.6%

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

Price range

Bad$6.22–$723.51

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

Signals High Price

According to Flapen's Amazon United States niche tracking, greenhouse fan is a $1.0M/yr Amazon United States market (619K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 54/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

greenhouse fan market data

Units sold / yr: 10K–13K; avg 0–100/product
Revenue / yr: $1.1M–$1.3M; units × avg price
Conversion rate: 1.6%
Avg BSR: #338
Page quality: 0%
Prime: 96%
Sponsored: 95%
Out of stock: 3.9%
Avg brand age: 37 months
Avg seller age: 168 days

Competition & brand share

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

Brands

31 falling

Sellers

Top-5 brand share

84%

Top 20: 97%

Top-5 click share

18%

Top 20: 47%

Open market

14%

VIVOSUN71%
erifyng4%
Amico3%
iLiving3%
VEVOR3%
DAOTAILI2%
Open — no brand owns it (25 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.8% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 4.5×

Open Trend

Top greenhouse fan search terms

vivosun368K/yr -10.6%1.1% conv.
greenhouse fan89K/yr +38.7%1.2% conv.
grow tent accessories86K/yr -21.7%0.8% conv.
green house fan11K/yr +43.0%0.8% conv.
greenhouse fans13K/yr +17.1%0.8% conv.
fan for greenhouse8K/yr +41.3%0.9% conv.
garden fan5K/yr +63.1%0.9% conv.
small greenhouse fan7K/yr -21.8%1.6% conv.
grow equipment10K/yr -29.9%0.3% conv.
v cure vivosun5K/yr -10.8%0.1% conv.

All search terms

Top greenhouse 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.

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

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

VIVOSUN AeroWave E6 Gen2 Grow Tent Clip Fan 6 EC Motor Smart Control Powerful Oscillating Fan Local Timer Weatherproof IP54 for Hydroponics Circulation Cooling Black

VIVOSUN$42.374.3★3,170 rev

VIVOSUN GrowCam C4 2K QHD WiFi Smart Camera for Grow Tent & VGrow Smart Grow Box Supports 2.4GHz WiFi (Not 5GHz/6GHz) Timelapse Night Vision SD Card Storage 2-Way Audio App Control

VIVOSUN$47.324.3★487 rev

VIVOSUN AeroWave D4 4 Grow Tent Clip Fan with Detachable Hook 3-Speed Strong & Quiet Airflow Adjustable Airflow Angle for Hydroponics Circulation & Cooling Black 2-Pack

VIVOSUN$34.354.3★1,175 rev

Grow Tent Fan 5in Two Fans for Greenhouse Plant All Direction Ventilation Circulation Instead of Oscillating Can Work with Timer and Thermostat 3 Speeds IP54 Waterproof 8ft Cord Power Adapter

erifyng$35.934.2★202 rev

VIVOSUN Herbal Decarboxylation and Infusion Machine Botanical Extractor and Infuser for Making Butter Oil and Tinctures Includes Recipes and Complete Accessories

VIVOSUN$131.814.4★322 rev

Newest

by launch date

Amico 12 Smart Shutter Exhaust Fan with Thermostat & 8 Speed 1282 CFM (Up To 1600 Sq.Ft) 25W Energy Saving Brushless DC Motor Wall Mount Garage/Attic/Greenhouse Vent Fan Plug & Play FCC

Amico$77.3267 rev

4mo ago

Amico 10 Shutter Exhaust Fan with Remote 9-Speed Energy Efficient & Quiet 13W DC Motor 1000 CFM Wall Mount Ventilation Fan for Garage Greenhouse Attic & Chicken Coop Plug & Play 8-Hour Timer FCC

Amico$48.0487 rev

4mo ago

Grow Tent Fan 5in Two Fans for Greenhouse Plant All Direction Ventilation Circulation Instead of Oscillating Can Work with Timer and Thermostat 3 Speeds IP54 Waterproof 8ft Cord Power Adapter

erifyng$35.93202 rev

11mo ago

pqins Solar Greenhouse Fan 3 Kit 30W Large Solar Powered Exhaust and Intake Fan Outdoor Waterproof Strong Airflow 16.5ft Cord for Chicken Coop Shed Air Ventilation and Circulation No Battery

pqins$41.38530 rev

1y ago

VIVOSUN Automatic Drip Irrigation Kit Smart Watering System with 16 Drip Emitters 4mm Fast Flow App-Controlled A10 GrowHub Quiet 15W Pump Anti-Siphon & Filtered for Indoor & Outdoor Plants

VIVOSUN$47.68917 rev

1y ago

What buyers say about greenhouse fan

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

What buyers love

Quality-Overall13%

“Build quality is great”

Value For Money11%

“not too expensive”

Advertised Vs Actual Product7%

“As Advertised”

Plant Growth6%

“Very good for starting seeds indoors”

Ease Of Use6%

“easy to adjust”

Strength6%

“It is sturdy”

Assembly/Installation5%

“Super easy assembly”

Size-Overall3%

“Fit tent perfectly”

Durability3%

“Durable and easy to put together”

Heating3%

“Good heat output”

What buyers complain about

Durability12%

“Broke within a week”

Quality-Overall9%

“Low quality control”

Size-Overall7%

“somewhat large”

Functionality-Overall7%

“Dose not work”

Heating5%

“Not hot enough”

Noise Level4%

“Motor made a lot of noise”

Value For Money4%

“Just a little cheaper”

Assembly/Installation3%

“Assembly is annoying”

Strength3%

“Not strong enough”

Advertised Vs Actual Product2%

“Misleading description”

Top return reasons

Size-Overall32%

Functionality-Overall13%