ventline
Skip itA small market ($45K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$37.01avg listing price — sweet spot $15–$100
Price range
Great$14.84–$118.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+63.8%90-day search growth — must beat 0% to launch
Review moat
Great492.19avg incumbent reviews — the moat a new listing must climb
Returns
Good2.6%return rate — above 5% kills the launch gate
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad94%top-5 brand share — brand-locked demand
Market size
Bad$45K$45K/yr · 33K searches
According to Flapen's Amazon United States niche tracking, ventline is a $45K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Skip it — 47/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
ventline market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $56K–$74K
- units × avg price
- Conversion rate
- 3.7%
- Avg BSR
- #258
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 37%
- Out of stock
- 0.4%
- Avg brand age
- 47 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
88
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
58%
Top 20: 94%
Open market
4%
- Ventline57%
- Zejoot16%
- Camco8%
- Ventadome7%
- classAcustoms6%
- RUSFOL2%
- Open — no brand owns it (4 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +63.8% search growth over the last 90 days.Peak months: Jul, Aug, Sep · busiest ÷ quietest = 2.7×
Top ventline search terms
- ventline vd04349K/yr
- ventline v20946K/yr
- ventline6K/yr
- ventline replacement parts6K/yr
- ventline rv roof vent6K/yr
Top ventline 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zejoot Roof Vent Frame Screen Replacement BVC0573-31 13.5X13.5 Compatible with Ventadome Roof Vent V2092 V2094 V2110 V2119 V2310 V2392 Birch White
Zejoot$26.744.6★121 rev
Ventline BVC0573-31 Ventadome Replacement Parts - Removable Birch White Screen
Ventline$26.364.8★89 rev
Ventline V2094SP-28 White 12V Ventadome
Ventline$35.494.3★110 rev
Camco 40151 Replacement Vent Lid - Ventlilne Models 2008 & Up
Camco$17.194.6★537 rev
Ventline RV Roof Vent White w/ 12 Volt Fan Putty & Screws
Ventadome$39.724.6★952 rev
Newest
by launch dateZejoot Roof Vent Frame Screen Replacement BVC0573-31 13.5X13.5 Compatible with Ventadome Roof Vent V2092 V2094 V2110 V2119 V2310 V2392 Birch White
Zejoot$26.74121 rev
classAcustoms Ventline Non Powered RV Roof Vent | White Lid | w Garnish RV Roof Vent Hatch Skylight (Putty & Screws Included)
classAcustoms$34.56106 rev
classAcustoms Ventline Non Powered RV Roof Vent | White Lid | w 4 Garnish RV Roof Vent Hatch Skylight
classAcustoms$34.8116 rev
Jack Boss 2 Pack Set RV Vent Covers for Roof 14 Inch Replacement Camper Vent Lid for Trailer and Motorhome 14 x 14 x 3.25 White
Jack Boss$29.18537 rev
O-N-L-Y Compatible with Ventline NOT HEGNS RV Roof Vent Motor Upgrade Kit
RVLOVENT$84.05650 rev
Trending
90-day click momentum
Ventline BVC0573-31R Frame with Removable Screen and Switch
Ventline$36.794.7★
VENTLINE/DEX BVD0449A01 White 14 Lid Regular
Ventline$35.324.7★
Ventline BVC0573-31 Ventadome Replacement Parts - Removable Birch White Screen
Ventline$26.364.8★
VENTLINE V2111-18 RV Trailer Camper Appliances Range Hood Vent Natural White (1)
Ventline$22.274.6★
Jack Boss 2 Pack Set RV Vent Covers for Roof 14 Inch Replacement Camper Vent Lid for Trailer and Motorhome 14 x 14 x 3.25 White
Jack Boss$29.184.5★
What buyers say about ventline
What buyers praise and complain about, mined from review topics.What buyers love
“it fits and is as described”
“Installed in minutes”
“the build quality is great”
“value were all excellent”
“It doesnt make noise”
“Just what we needed”
“Super easy”
“The fan works well”
“The fan works well”
“But it does work”
What buyers complain about
“Size is too large”
“will break once you touch it”
“A little loud”
“But we cant install ourselves so returning it”
“Made from cheap materials using cheap production methods”
“Plastic Gears to raise/lower the roof vent lid are poor quality”
“Different from pictures”
“Had to adapt mounting some”
“Needs a improved instructions”
“it is brittle”
Top return reasons
Common questions
- Is ventline profitable to sell on Amazon United States?
- The niche generates $45K/yr across 27 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +63.8%. Flapen's verdict: Skip it (47/100).
- How competitive is the ventline niche?
- 10 brands and 88 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in ventline?
- Top complaints mined from reviews: Size-Overall, Durability, Noise Level. The return rate is 2.6%.
- When does demand for ventline peak?
- Demand peaks in Jul–Aug–Sep; the busiest month runs 2.7× the quietest.
- What does it cost to enter the ventline niche?
- Listings span $14.84–$118.14; the average listing price is $37.01 (sweet spot $15–$100). The average incumbent carries 492 reviews — the moat a new listing must climb.