radiator fan
Skip itSoft demand (-88.5% this quarter) — this niche doesn't clear our bar today.
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible£39.11avg listing price — sweet spot $15–$100
Price range
Incredible£22.93–£85.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good535.27avg incumbent reviews — the moat a new listing must climb
Market size
Okay£219K£219K/yr · 608K searches
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Bad80%top-5 click share — a locked-up shelf
Returns
Bad8.3%return rate — above 5% kills the launch gate
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Growth
Bad-88.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, radiator fan is a £219K/yr Amazon United Kingdom market (608K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 37/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
radiator fan market data
- Units sold / yr
- 13K–15K
- avg 750–1,000/product
- Revenue / yr
- £489K–£587K
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #708
- Page quality
- 0%
- Prime
- 64%
- Sponsored
- 64%
- Out of stock
- 35.2%
- Avg brand age
- 30 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
14
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
8%
- Valiant Fun35%
- Technaxx20%
- High Street TV13%
- SpeedComfort11%
- SURAIELEC8%
- 4YourHome6%
- Open — no brand owns it (3 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -88.5% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 54.1×
Top radiator fan search terms
- radiator fan252K/yr
- radiator fan booster75K/yr
- radiator fans38K/yr
- radiator fans for home21K/yr
- smart air boost radiator fan33K/yr
- radiator booster fan21K/yr
- speedcomfort radiator fan5K/yr
- radiator booster34K/yr
- smartair boost radiator fan18K/yr
- radiator booster fans for home7K/yr
Top radiator 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Valiant Radiator Fan Triple Fan Heat Booster Quiet Rechargeable Magnetic Fit
Valiant Fun£25.204.4★54 rev

Technaxx Radiator Fan Mono Set for 5070 cm Radiators Radiator Booster with Temperature Sensor Automatic On/Off Ultra Quiet <20 dB Power Consumption 1 W - TX-302
Technaxx£28.013.7★58 rev

Smart Air BOOST Radiator Fan - Portable Radiator Fan - Cordless Rechargeable & Automatic - Heat Sensor - Improve Heat Distribution & Circulation - Compact Heat Booster - Reduce Energy Wastage
High Street TV£33.774.0★3,124 rev

4YourHome Electric Radiator Fan Low Power Low Noise 12W White
4YourHome£32.643.9★872 rev

SpeedComfort Radiator Fan Trio Set Set of 3 radiator fans - Energy efficient 2x faster heating - Up to 22% energy savings Easy to install Whisper quiet - Dutch product
SpeedComfort£85.524.2★692 rev
Newest
by launch date
Risveglio Smart Radiator Fan Booster with Auto Thermostat Quiet 50CFM Heater Extender for Even Heat Distribution White(MONO-SET)
Risveglio£36.230 rev

Valiant Radiator Fan Triple Fan Heat Booster Quiet Rechargeable Magnetic Fit
Valiant Fun£25.2054 rev

SURAIELEC Radiator Fan 2-Pack with 3 Fans Each Smart Radiator Fan Booster with 3 Speeds Auto Mode & Timer 5200mAh Battery USB-C Temperature Display Magnetic Mount White CE Certified
SURAIELEC£64.6950 rev

SURAIELEC Radiator Fan with 3 Fans Smart Radiator Fan Booster with 3 Speeds & Auto Mode 5200mAh Rechargeable Battery USB-C Temperature Display Magnetic Mount White CE Certified
SURAIELEC£37.5296 rev

UrbanHui Radiator Magnetic Cooling Fan 3-Fan Set with Temperature Sensor Quiet Low Noise Heater Air Circulator for Fireplace and Indoor Heating
UrbanHui£22.9339 rev
Trending
90-day click momentum
Risveglio Smart Radiator Fan Booster with Auto Thermostat Quiet 50CFM Heater Extender for Even Heat Distribution White(MONO-SET)
Risveglio£36.230.0★

Valiant Radiator Fan Triple Fan Heat Booster Quiet Rechargeable Magnetic Fit
Valiant Fun£25.204.4★

Technaxx Radiator Fan Mono Set for 5070 cm Radiators Radiator Booster with Temperature Sensor Automatic On/Off Ultra Quiet <20 dB Power Consumption 1 W - TX-302
Technaxx£28.013.7★

SURAIELEC Radiator Fan 2-Pack with 3 Fans Each Smart Radiator Fan Booster with 3 Speeds Auto Mode & Timer 5200mAh Battery USB-C Temperature Display Magnetic Mount White CE Certified
SURAIELEC£64.694.1★

UrbanHui Radiator Magnetic Cooling Fan 3-Fan Set with Temperature Sensor Quiet Low Noise Heater Air Circulator for Fireplace and Indoor Heating
UrbanHui£22.933.9★
What buyers say about radiator fan
What buyers praise and complain about, mined from review topics.What buyers love
“It's a useful addition to warm the room”
“Good Product gives our rooms a boost”
“Best value”
“Good piece of kit works as advertised”
“Easy to use”
“When does work it does an okay-ish job”
“Works well and easy to install”
“Quiet and easy to install too”
“Charge gives a good life”
“Works and easy fit”
What buyers complain about
“Fan heater did not work”
“does not recharge”
“Broken after 3 months”
“Didn't work”
“Poor battery”
“Poor performance for the price”
“Poor performance”
“It doesn't fit on the radiator after instructions says fits all”
“not powerful enough”
“cannot fit new charger”
Top return reasons
Common questions
- Is radiator fan profitable to sell on Amazon United Kingdom?
- The niche generates £219K/yr across 11 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -88.5%. Flapen's verdict: Skip it (37/100).
- How competitive is the radiator fan niche?
- 9 brands and 14 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in radiator fan?
- Top complaints mined from reviews: Heating, Charging, Durability. The return rate is 8.3% — above our launch gate.
- When does demand for radiator fan peak?
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 54.1× the quietest.
- What does it cost to enter the radiator fan niche?
- Listings span £22.93–£85.52; the average listing price is £39.11 (sweet spot $15–$100). The average incumbent carries 535 reviews — the moat a new listing must climb.