8 Inch Inline Duct Fan
a small market ($120K/yr) — 8 Inch Inline Duct Fan doesn't clear our bar today.
Flapen Score
Ranks 7,263 of 8,839 Patio, Lawn & Garden niches · −11 vs the category median of 56
Is 8 Inch Inline Duct Fan profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 8 Inch Inline Duct Fan is a $120K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jul. Verdict: Skip it — 45/100.
8 Inch Inline Duct Fan: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +10.9% over the last 90 days and 3.0% of searches end in a purchase.
$120K
revenue / yr
Who owns the niche?
The top 5 brands hold 86% of demand, so 14% of the market is open.
14%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 29 products
Top 8 Inch Inline Duct Fan products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
VIVOSUN 8 Inch Inline Duct Fan 420 CFM HVAC Exhaust Ventilation Fan with Low Noise for Basements Bathrooms Kitchens and Attics Silver
- Price
- $34.68
- Rating
- 4.2/5
- Reviews
- 9,767
- Age
- 10y ago
AC Infinity CLOUDLINE S8 PRO Quiet 8 Inline Duct Fan with 10-Speed Controller EC-Motor Ventilation Exhaust Fan for Heating Cooling Booster Grow Tents Hydroponics
- Price
- $158.04
- Rating
- 4.7/5
- Reviews
- 1,228
- Age
- 7y ago
Hon&Guan 8 Inch Inline Booster Duct Fan with Speed Controller - 623 CFM Airflow with 44W Ultra-Low Power and Low Noise
- Price
- $56.70
- Rating
- 4.3/5
- Reviews
- 2,961
- Age
- 2y ago
VEVOR Inline Duct Fan 8-Inch 750 CFM with Variable Speed Controller Quiet AC-Motor Ventilation Exhaust Fan for Cooling Booster Grow Tents Hydroponics
- Price
- $56.48
- Rating
- 4.2/5
- Reviews
- 211
- Age
- 3y ago
AC Infinity CLOUDLINE A8 Quiet 8 Inline Duct Fan with Speed Controller EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster Grow Tents Hydroponics
- Price
- $136.54
- Rating
- 4.6/5
- Reviews
- 140
- Age
- 3y ago
Trending
90-day click momentum
YOZON 8-Inch Duct Fan with EC Motor Inline Fan with Speed Controller - 700 CFM Quiet and Energy-Efficient Ventilation Exhaust Equipment for Grow Tents Hydroponics Cooling Booster and Basements
- Price
- $63.97
- Rating
- 3.0/5
- Reviews
- 2
- Age
- 3mo ago
VEVOR Inline Duct Fan 807 CFM 8 inch EC Motor Exhaust Ventilation Fan with 10-Speed PWM Controller App Control Temperature Humidity Sensor Cooling for Grow Tent Indoor Gardening Hydroponics
- Price
- $106.24
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago
Toolazy 8 Inch Inline Booster Duct Fan with Speed Controller 640 CFM 45W EC Motor 2600RPM 0-100% Variable Speed 171Pa High Pressure 118in Total Controller Cord Grow Room HVAC Ventilation Fan
- Price
- $46.01
- Rating
- 3.7/5
- Reviews
- 26
- Age
- 6mo ago
VIVOSUN 8 Inline Booster Duct Fan with Speed Regulator 640 CFM Quiet Exhaust Fan for HVAC Ventilation in Grow Tents Basements Bathrooms Kitchens and Attics
- Price
- $50.09
- Rating
- 4.3/5
- Reviews
- 6,092
- Age
- 7mo ago
VIVOSUN Inline Booster Duct Fan 8 420 CFM HVAC Exhaust Ventilation Fan with Low Noise for Basements Bathrooms Kitchens Attics Grow Tents Black
- Price
- $31.79
- Rating
- 4.3/5
- Reviews
- 155
- Age
- 3y ago
Newest
by launch dateVEVOR Inline Duct Fan 807 CFM 8 inch EC Motor Exhaust Ventilation Fan with 10-Speed PWM Controller App Control Temperature Humidity Sensor Cooling for Grow Tent Indoor Gardening Hydroponics
- Price
- $106.24
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago
YOZON 8-Inch Duct Fan with EC Motor Inline Fan with Speed Controller - 700 CFM Quiet and Energy-Efficient Ventilation Exhaust Equipment for Grow Tents Hydroponics Cooling Booster and Basements
- Price
- $63.97
- Rating
- 3.0/5
- Reviews
- 2
- Age
- 3mo ago
Toolazy 8 Inch Inline Booster Duct Fan with Speed Controller 640 CFM 45W EC Motor 2600RPM 0-100% Variable Speed 171Pa High Pressure 118in Total Controller Cord Grow Room HVAC Ventilation Fan
- Price
- $46.01
- Rating
- 3.7/5
- Reviews
- 26
- Age
- 6mo ago
VIVOSUN 8 Inline Booster Duct Fan with Speed Regulator 640 CFM Quiet Exhaust Fan for HVAC Ventilation in Grow Tents Basements Bathrooms Kitchens and Attics
- Price
- $50.09
- Rating
- 4.3/5
- Reviews
- 6,092
- Age
- 7mo ago
VEVOR Inline Duct Fan 8-Inch 720 CFM with Power Cord Quiet AC-Motor Ventilation Exhaust Fan for Cooling Booster Grow Tents Hydroponics
- Price
- $55.94
- Rating
- 4.0/5
- Reviews
- 11
- Age
- 7mo ago
Competition: brands, sellers & click share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
Brands
14 rising
Sellers
21
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
52%
Top 20: 92%
Open market
10%
- VIVOSUN28%
- AC Infinity22%
- VEVOR17%
- Toolazy9%
- Hon&Guan9%
- Aydomer4%
- Open — no brand owns it (8 brands, 10%)
8 Inch Inline Duct Fan demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jul · busiest ÷ quietest = 1.6×
Top 8 Inch Inline Duct Fan search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- 8 inch inline duct fan10K/yr
- 8 inch duct fan8K/yr
- 8 duct fan7K/yr
- 8 inline duct fan6K/yr
- 8 inch inline fan5K/yr
- inline duct fan 8 inch4K/yr
- 8 inline fan4K/yr
- inline fan 8 inch3K/yr
- duct fan 8 inch4K/yr
What reviews say buyers love and hate about 8 Inch Inline Duct Fan
What buyers mention most, as a share of all reviews.
What buyers love
71% of reviews“its Vevor quality so its going to be reliable”
“Great price”
“the housing is sturdy”
“Easy to install”
“not bad, works as I needed”
What buyers complain about
85% of reviews“Little loud,”
“It will break”
“the thermometer controller does not work”
“bad quality control”
“So the specs grossly overstated”
8 Inch Inline Duct Fan return rate & reasons
Why buyers send it back, as a share of all return requests.
4.4%
Return rate
49%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 8 Inch Inline Duct Fan questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
