Is radon fan profitable to sell on Amazon United States?

The niche generates $1.0M/yr across 23 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -28.4%. Flapen's verdict: Skip it (43/100).

How competitive is the radon fan niche?

11 brands and 44 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in radon fan?

Top complaints mined from reviews: Noise Level, Durability, Value For Money. The return rate is 3.9%.

When does demand for radon fan peak?

Demand peaks in Feb–Mar; the busiest month runs 1.7× the quietest.

What does it cost to enter the radon fan niche?

Listings span $73.32–$488.82; the average listing price is $179.92 (sweet spot $15–$100). The average incumbent carries 223 reviews — the moat a new listing must climb.

radon fan

Skip it

Prices mostly outside the sweet spot ($73.32–$488.82) — this niche doesn't clear our bar today.

Review moat

Great223.43

avg incumbent reviews — the moat a new listing must climb

Market size

Great$1.0M

$1.0M/yr · 212K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Okay$179.92

avg listing price — sweet spot $15–$100

Competition

Okay61%

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

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Brand share

Okay82%

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

Conversion

Okay2.6%

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

Growth

Bad-28.4%

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

Price range

Bad$73.32–$488.82

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

Signals High Price

According to Flapen's Amazon United States niche tracking, radon fan is a $1.0M/yr Amazon United States market (212K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 43/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

radon fan market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $900K–$1.1M; units × avg price
Conversion rate: 2.6%
Avg BSR: #555
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 17.7%
Avg brand age: 51 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

61%

Top 20: 97%

Open market

14%

Festa AMG Radon Fans26%
RadonAway21%
MIDCVFRUN21%
FixOasis9%
Rysmirs6%
PCLINE4%
Open — no brand owns it (5 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -28.4% search growth over the last 90 days.

Peak months: Feb, Mar · busiest ÷ quietest = 1.7×

Open Trend

Top radon fan search terms

radon fan73K/yr -22.2%2.5% conv.
radon mitigation system45K/yr -33.4%1.2% conv.
radon mitigation system kit13K/yr -19.4%1.3% conv.
radon fan kit9K/yr -35.5%3.0% conv.
radonaway rp1458K/yr -41.0%7.3% conv.
radon fan 4 inch7K/yr -38.1%5.0% conv.
radon removal system8K/yr -34.6%0.6% conv.
radon mitigation fan7K/yr -30.3%1.5% conv.
radon fan 3 inch5K/yr -20.8%4.0% conv.
radon pump4K/yr -19.1%2.4% conv.

All search terms

Top radon 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MIDCVFRUN 4 inch Radon Fan Installation Kit - 2 Speed Radon Mitigation Fan 260/188CFM Inline Centrifugal Fan with Rubber Couplers (4 inch x 3 inch) and Air Pressure Indicator

MIDCVFRUN$165.454.4★140 rev

RadonAway RP145C Radon Fan P/N 23030-1 Inlet/outlet Diameter of 4.5

RadonAway$146.054.4★1,393 rev

Festa AMG Maverick Radon Fan 3 Installation Kit - Quiet and Energy Efficient Radon Mitigation Inline Fans High Performance 4 Duct Fan

Festa AMG Radon Fans$192.814.7★349 rev

Radon Fan Kit with Rubber Couplers (4 to 3 Inchfits 3 PVC) Quiet 260 CFM Quickly Mitigate Radon Air Pressure Indicator Ip67 Waterproof Radon Mitigation System Kit

FixOasis$125.124.4★11 rev

Festa AMG Maverick Radon Fan - Quiet and Energy Efficient 260 CFM Radon Mitigation System Inline Duct Fan - 4 Electric Inline - Made with Sturdy Glass Reinforced Poly-Resin White

Festa AMG Radon Fans$144.244.5★454 rev

Newest

by launch date

RadonAway RP145c Radon Mitigation Fan Kit Includes U-Tube Manometer + (2) 4 x 3 White PVC Couplings Quiet Energy-Efficient Active Soil Depressurization Fan

RadonAway$207.473 rev

5mo ago

Rysmirs 4 to 3 inch Radon Mitigation System Kit - 2 Speed Radon Fan 240CFM | 168CFM with Rubber Couplings and Air Pressure Indicator Quiet and Energy Efficient Fits 3 Piping

Rysmirs$164.4136 rev

6mo ago

MIDCVFRUN 4 inch Radon Fan 2 speed 260/188CFM Radon Mitigation System Quickly Mitigate Radon Quiet and Energy Efficient IP67 Waterproof Indoor Outdoor Installation

MIDCVFRUN$139.1028 rev

9mo ago

PCLINE 4 Radon Mitigation Fan 190 CFM Quiet Inline Duct Fan | IP67 Waterproof Energy-Saving Motor Easy Install with Rubber Couplers (4 inch x 3 inch) and Air Pressure Indicator

PCLINE$145.084 rev

9mo ago

Rysmirs 2 Speed Radon Fan 4 inch Radon Mitigation System Fan 240CFM|168CFM Selectable Quiet and Energy Efficient IP67 Waterproof Indoor Outdoor Installation

Rysmirs$137.2328 rev

9mo ago

What buyers say about radon fan

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

What buyers love

Quality-Overall22%

“The build quality is exceptional, period”

Assembly/Installation9%

“Easy installation”

Value For Money9%

“Great deal”

Size-Overall8%

“Perfect fit”

Efficiency6%

“Works well and was pretty complete”

Noise Level6%

“Quiet”

Durability6%

“It actually maintains a very consistent”

Strength5%

“Solid construction”

Advertised Vs Actual Product4%

“As advertised”

Design-Overall4%

“Seems well made”

What buyers complain about

Noise Level24%

“Very loud”

Durability16%

“The new fan didnt seem to last as long as I would have liked”

Value For Money7%

“The fan cost less than $230”

Assembly/Installation6%

“make install difficult”

Size-Overall5%

“To small for 4 in couplers”

Heating5%

“it is still damp so an outdoor rated fan was desirable”

Product Condition3%

“Appears to be a used product”

Advertised Vs Actual Product2%

“Haven't seen one advertised for outdoor usage”

Quality-Overall2%

“Radon fan”

Material Quality1%

“though it is all plastic”

Top return reasons

Size-Overall44%

Advertised Vs Actual Product7%

Noise Level7%

Defective Material/Parts7%

Functionality-Overall6%

Product Condition5%

Compatibility-Overall5%

Assembly/Installation4%

Value For Money3%

Mounting2%

Common questions

Is radon fan profitable to sell on Amazon United States?: The niche generates $1.0M/yr across 23 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -28.4%. Flapen's verdict: Skip it (43/100).
How competitive is the radon fan niche?: 11 brands and 44 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in radon fan?: Top complaints mined from reviews: Noise Level, Durability, Value For Money. The return rate is 3.9%.
When does demand for radon fan peak?: Demand peaks in Feb–Mar; the busiest month runs 1.7× the quietest.
What does it cost to enter the radon fan niche?: Listings span $73.32–$488.82; the average listing price is $179.92 (sweet spot $15–$100). The average incumbent carries 223 reviews — the moat a new listing must climb.

radon fan

radon fan market data

Competition & brand share

Demand & seasonality

Top radon fan search terms

Top radon fan products on Amazon

Top sellers

Newest

Trending

What buyers say about radon fan

What buyers love

What buyers complain about

Top return reasons

Common questions

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