8 Inch Inline Duct Fan
FailShoppers spend an estimated $120K a year here, so 8 Inch Inline Duct Fan is a Fail.
- Flapen Score
- 45 / 100Ranks 7,263 of 8,839 Patio, Lawn & Garden niches · −11 vs the category median of 5645
- Market size
- $120K/yr50K searches / yr
- 90-day growth
- +10.9%search demand this quarter
- Competition
- 52%top-5 click share · 14 brands · 21 sellers
Flapen Score
8 Inch Inline Duct Fan against its category
The dotted line is the Patio, Lawn & Garden average. Past it, 8 Inch Inline Duct Fan is stronger. Inside it, weaker.
Market
The 8 Inch Inline Duct Fan market on Amazon at a glance
Shoppers on Amazon United States searched for 8 Inch Inline Duct Fan 50K times last year and spent an estimated $120K. The top 5 brands take 86% of clicks. Demand peaks in Jul. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 3.0% of those searches ended in a purchase.
Shoppers searched for this 50K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.0% of those searches ended in a purchase. Searches in the last 90 days moved +10.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $120K a year.
- Searches, last 12 months
- 50K
- Growth, 90 days vs prior 90
- +10.9%
- Conversion, latest week
- 3.0%
- Market size, estimated
- $120Ka year
- Peak month
- July1.6× the quietest month
- Top search term
- 8 inch inline duct fan10K searches a year
02 · Price
A sale here is worth $78.06.
Listings sell for $78.06 on average, from $20.44 to $195.99. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $78.06 that is $0 to $8K a year per listing.
- Average price
- $78.06inside the $15 to $100 sweet spot
- Price range
- $20.44–$195.99
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$8K
- Returns
- 4.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
83% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 8.6% of listings are out of stock. The average listing ranks #266 within Hydroponics. It carries 1,595 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 97%
- Out of stock, average day
- 8.6%
- Average rank
- #266in Hydroponics
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 1,595per listing
- Listings tracked
- 29
04 · Newcomers
3 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 6
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top 8 Inch Inline Duct Fan products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 14, 2026. The live listing can differ.
Top sellers
by estimated 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
estimated 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 date
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

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
Competition: brands, sellers & click share
The top 5 products take an estimated 52% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
21
Est. top-5 brand share
86%
Top 20: 100%
Est. 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%)
Demand
8 Inch Inline Duct Fan search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.6×
Search terms
Top 8 Inch Inline Duct Fan search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about 8 Inch Inline Duct Fan
We read the reviews and the return reasons for every product selling here.
“Little loud,”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 8 Inch Inline Duct Fan questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









