roof vent cover
Skip itA small market ($52K/yr) — this niche doesn't clear our bar today.
Avg price
Great$22.69avg listing price — sweet spot $15–$100
Price range
Great$4.01–$68.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great37%top-5 click share — an open shelf
Brand share
Great58%top-5 brand share — no brand owns this niche
Review moat
Good1,254.79avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.7%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+10.4%90-day search growth — must beat 0% to launch
Conversion
Bad2.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$52K$52K/yr · 115K searches
According to Flapen's Amazon United States niche tracking, roof vent cover is a $52K/yr Amazon United States market (115K searches/yr). The top 5 brands hold 58% of demand. Verdict: Skip it — 49/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
roof vent cover market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $68K–$91K
- units × avg price
- Conversion rate
- 2.0%
- Avg BSR
- #1,879
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 82%
- Out of stock
- 1.8%
- Avg brand age
- 45 months
- Avg seller age
- 167 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
34 falling
Sellers
201
Top-5 brand share
58%
Top 20: 90%
Top-5 click share
37%
Top 20: 68%
Open market
37%
- Oatey17%
- Wonderjune13%
- Hon&Guan12%
- Broan-NuTone10%
- Camco6%
- Kittmip5%
Demand
Weekly Amazon search volume, last 36 weeks — +10.4% search growth over the last 90 days.Top roof vent cover search terms
- roof vent cap31K/yr
- roof vent cover24K/yr
- sewer vent cap15K/yr
- vent cap14K/yr
- rat caps for roof vents9K/yr
- roof exhaust vent cap5K/yr
- mushroom vent cap4K/yr
- plumbing vent cap5K/yr
- roof cap4K/yr
- roof vent covers4K/yr
Top roof vent cover 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
Oatey 3 In./4 In. PVC Mushroom Vent Cap - 1 Each
Oatey$12.274.6★655 rev
Wonderjune 2pack PVC Furnace Flue Pipe Vent Cap for 1.5 2 3 Pipe Hemispherical Flue Roof Vent Cap Keep Small Animals Out of Exterior Exhaust Cover (Black)
Wonderjune$21.974.1★83 rev
Broan-NuTone 636 Steel Roof Vent Cap for 3 and 4 Round Duct For Bathroom Ventilation Fans Black
Broan-NuTone$20.104.5★775 rev
Roof Vent Cap - Hon&Guan Roof Vents 4 Inch Galvanized Steel Bathroom 4 Roof Exhaust Vent for Ventilation System-with Damper Black
Hon&Guan$27.654.4★332 rev
Camco 40034 Replacement Plumbing Vent Cap (Polar White)
Camco$7.364.7★2,398 rev
Newest
by launch date
Kittmip 2 Pcs 3 in. or 4 in. Mushroom Vent Cap PVC Roof Vent Cap for Keep Out Leaves Debris Flying Insects Animals Fits 3 or 4 Pipe Bolts onto Pipe (Black)
Kittmip$19.9811 rev
Kittmip 2 Pcs 3 in. or 4 in. Mushroom Vent Cap PVC Roof Vent Cap for Keep Out Leaves Debris Flying Insects Animals Fits 3 or 4 Pipe Bolts onto Pipe(White)
Kittmip$20.2711 rev
Wonderjune 4pack PVC Furnace Flue Pipe Vent Cap for 1.5 2 3 Pipe Hemispherical Flue Roof Vent Cap Keep Small Animals Out of Exterior Exhaust Cover (Black)
Wonderjune$38.7283 rev
3 Radon Vent Cap for Schedule 40 3 inch PVC Vent Cap 76001 Roof Vent Cover for Radon Fan Pipe/Flue Pipe/Roof Pipe Protects Radon Fan Motor and Pipe Protects from Rain Snow Leaves and Animals
Bghdas$16.9965 rev
Wonderjune 2pack PVC Furnace Flue Pipe Vent Cap for 1.5 2 3 Pipe Hemispherical Flue Roof Vent Cap Keep Small Animals Out of Exterior Exhaust Cover (Black)
Wonderjune$21.9783 rev
Trending
90-day click momentumKittmip 2 Pcs 3 in. or 4 in. Mushroom Vent Cap PVC Roof Vent Cap for Keep Out Leaves Debris Flying Insects Animals Fits 3 or 4 Pipe Bolts onto Pipe (Black)
Kittmip$19.984.4★
Roof Vent Cap - Hon&Guan 6 Inch Roof Vents for Houses Galvanized Steel 6 Exhaust Vent Wall Vent with Damper for Ventilation System Black
Hon&Guan$33.594.4★
Water-Tite 81695 Multi-Cap Type B Vent Cap Fits 5 to 7 Pipes
Water-Tite$31.264.3★
Broan-NuTone 634M Steel Roof Cap for 6 Round Duct For Range Hoods LoSone Fans and Bath Ventilation Fans Black
Broan-NuTone$44.974.5★
Kittmip 2 Pcs 3 in. or 4 in. Mushroom Vent Cap PVC Roof Vent Cap for Keep Out Leaves Debris Flying Insects Animals Fits 3 or 4 Pipe Bolts onto Pipe(White)
Kittmip$20.274.4★
What buyers say about roof vent cover
What buyers praise and complain about, mined from review topics.What buyers love
“Easy fit”
“This vent looks ok in terms of quality”
“As described”
“Easy to install”
“Worth every penny”
“Worked like a champ”
“Easy to use”
“Good design”
“The construction feels sturdy”
“seems durable”
What buyers complain about
“Too small”
“I barely had enough room to mount”
“Too much assembly required”
“flimsy”
“wont last”
“it seems misleading to me”
“The felt a little cheap feeling”
“The screen clogs”
“Included screw driver wouldn't do 1 screw”
“Not noisy”
Top return reasons
Common questions
- Is roof vent cover profitable to sell on Amazon United States?
- The niche generates $52K/yr across 57 tracked products. 2 of 9 products launched in the last 360 days are still selling. 90-day search growth is +10.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the roof vent cover niche?
- 34 brands and 201 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in roof vent cover?
- Top complaints mined from reviews: Size-Overall, Mounting, Assembly/Installation. The return rate is 3.7%.
- What does it cost to enter the roof vent cover niche?
- Listings span $4.01–$68.83; the average listing price is $22.69 (sweet spot $15–$100). The average incumbent carries 1,255 reviews — the moat a new listing must climb.