Is inline extractor fan profitable to sell on Amazon United Kingdom?

The niche generates £133K/yr across 27 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Worth a look (53/100).

How competitive is the inline extractor fan niche?

21 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in inline extractor fan?

Top complaints mined from reviews: Durability, Noise Level, Quality-Overall. The return rate is 2.3%.

When does demand for inline extractor fan peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the inline extractor fan niche?

Listings span £17.05–£82.22; the average listing price is £36.50 (sweet spot $15–$100). The average incumbent carries 666 reviews — the moat a new listing must climb.

inline extractor fan

Worth a look

Shows a sweet-spot price point ($36.50 avg), but soft demand (-21.6% this quarter) keeps it on the watch list.

Avg price

Incredible£36.50

avg listing price — sweet spot $15–$100

Price range

Incredible£17.05–£82.22

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good62%

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

Review moat

Good666.11

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.3%

return rate — above 5% kills the launch gate

Competition

Okay55%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay3.7%

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

Market size

Okay£133K

£133K/yr · 100K searches

Growth

Bad-21.6%

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

According to Flapen's Amazon United Kingdom niche tracking, inline extractor fan is a £133K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

inline extractor fan market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £146K–£183K; units × avg price
Conversion rate: 3.7%
Avg BSR: #79
Page quality: 0%
Prime: 81%
Sponsored: 81%
Out of stock: 1.1%
Avg brand age: 41 months
Avg seller age: 191 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

62%

Top 20: 99%

Top-5 click share

55%

Top 20: 92%

Open market

33%

Manrose23%
Fantronix14%
Anesty11%
DOSYEN7%
FanGoFast7%
VENTS UK5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top inline extractor fan search terms

inline extractor fan42K/yr -41.6%2.9% conv.
inline fan16K/yr +44.4%2.9% conv.
manrose mf100t14K/yr -43.7%7.4% conv.
inline duct fan5K/yr +86.9%1.1% conv.
duct fan5K/yr +99.6%1.4% conv.
4 inch inline fan3K/yr +30.3%2.8% conv.
inline bathroom extractor fan4K/yr -26.2%4.7% conv.
in line extractor fan 100mm with timer4K/yr -55.9%4.9% conv.
inline extractor fan with timer4K/yr -66.3%4.9% conv.
manrose inline extractor fan3K/yr -54.5%5.8% conv.

All search terms

Top inline extractor 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

Manrose MF100T 100 mm Inline Bathroom Extractor Fan with Timer Black

Manrose£50.674.6★2,779 rev

Inline Bathroom Extractor Fan 100mm /4 Inch In Line Duct Fan Mixed Flow 220m/hr - Grow Room Fan Tent Hydroponic Ventilation System

Anesty£20.674.3★203 rev

Fantronix 100 mm (4) Inline Bathroom Extractor Fan with Run-On Timer Quiet Loft-Mounted Ventilation for Shower Toilet & Damp Control

Fantronix£35.284.5★1,494 rev

DOSYEN Inline Bathroom Extractor Fan 100mm/4 Inch In-line duct fan mixed flow 220m3/hour

DOSYEN£19.094.3★33 rev

FanGoFast Inline Extractor Fan 100mm/4 inch with Adjustable Speed Controller and UK Plug Quiet Ventilation Fan for Bathroom Kitchen Office Grow Rooms (Black 100mm)

FanGoFast£35.344.3★776 rev

Newest

by launch date

GreenWhim Inline Extractor Fan with Variable Speed Controller Fan Tent Hydroponic Ventilation UK Plug

GreenWhim£17.832 rev

3mo ago

TVOOD 4 inch Inline Extractor Fan: 220m/h 40W 100mm Duct Inline Bathroom Extractor Fan Quiet Operation Inlines Fans for Kitchen Grow Tent Ventilation System

TVOOD£21.536 rev

6mo ago

Lifegogo 4 inch Inline Extractor Fan: 220m/h 40W Inlines Fan Quiet Operation 100mm Duct Inline Bathroom Extractor Fans for Grow Room Tent Hydroponic Ventilation System

Lifegogo£20.457 rev

7mo ago

Dryzone In-Line Extractor Fan Kit with Timer (100mm White) | For Lofts or Ceiling Voids | Includes External & Internal Vents Flexible Ducting

Dryzone£70.9744 rev

8mo ago

CubeTECH CTi100t 100mm (4) Inline Bathroom Extractor Fan w/Timer Two-Speed

CubeTECH£31.2159 rev

1y ago

What buyers say about inline extractor fan

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

What buyers love

Value For Money16%

“Good, worth the money”

Assembly/Installation15%

“It just came installed”

Quality-Overall10%

“Excellent product”

Size-Overall9%

“Fitted today works as it should”

Advertised Vs Actual Product9%

“Works exactly how it should”

Noise Level7%

“quieter than expected”

Strength6%

“Very powerful and easy to install”

Spray/Flow3%

“it had good airflow”

Ease Of Use3%

“Perfectly easy”

Efficiency3%

“Does the job nicely”

What buyers complain about

Durability23%

“Failed within a month”

Noise Level19%

“has become very noisy in only 6 months”

Quality-Overall13%

“I suspect the use of poor quality bearing parts as the units become very noise”

Size-Overall5%

“The electrical connector could do with being a bit bigger”

Functionality-Overall5%

“Recieved item for a job at customers house only to find it didn't work”

Value For Money3%

“it costs £100 more so I think that tells you what you need to know”

Leak-Proof3%

“Body leaks fumes/smoke”

Motor Issues3%

“Low power”

Connectivity-Overall1%

“The only observation is the connection block is very small”

Adhesion/Stickiness1%

“AWKWARD TO SCREW IN PLACE”

Top return reasons

Size-Overall22%

Functionality-Overall22%

Compatibility-Overall8%

Strength8%

Noise Level7%

Defective Material/Parts7%

Durability5%

Alarm/Timer Accuracy4%

Connectivity-Overall2%

Advertised Vs Actual Product2%

Common questions

Is inline extractor fan profitable to sell on Amazon United Kingdom?: The niche generates £133K/yr across 27 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Worth a look (53/100).
How competitive is the inline extractor fan niche?: 21 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in inline extractor fan?: Top complaints mined from reviews: Durability, Noise Level, Quality-Overall. The return rate is 2.3%.
When does demand for inline extractor fan peak?: Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the inline extractor fan niche?: Listings span £17.05–£82.22; the average listing price is £36.50 (sweet spot $15–$100). The average incumbent carries 666 reviews — the moat a new listing must climb.