thermal door cover
Skip itSoft demand (-74.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$22.64avg listing price — sweet spot $15–$100
Brand share
Great48%top-5 brand share — no brand owns this niche
Price range
Great$6.67–$42.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay4.7%return rate — above 5% kills the launch gate
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$96K$96K/yr · 203K searches
Review moat
Bad5,739.19avg incumbent reviews — the moat a new listing must climb
Growth
Bad-74.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, thermal door cover is a $96K/yr Amazon United States market (203K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 42/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
thermal door cover market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $113K–$136K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #154
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 84%
- Out of stock
- 17.4%
- Avg brand age
- 37 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
30 falling
Sellers
33
Top-5 brand share
48%
Top 20: 92%
Top-5 click share
43%
Top 20: 76%
Open market
47%
- Elytsemoh14%
- Odocovo11%
- Flux Phenom9%
- Iduontis8%
- BONLACES7%
- CHIYUNS5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -74.3% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 17.6×
Top thermal door cover search terms
- thermal door cover42K/yr
- insulated door cover45K/yr
- door insulation cover40K/yr
- privacy screen for door6K/yr
- door insulation curtain10K/yr
- thermal insulated door cover13K/yr
- thermal door cover for winter37K/yr
- insulated door curtain for winter8K/yr
- insulated door cover for winter2K/yr
Top thermal door 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
Magnetic Thermal Insulated Door Curtain Cover Block fit 36x82inch Door Curtains Itself Size 38x84inch Cotton Thermal Curtain for Winter Thermal Doors Curtain for Doors Blocking Wind and Snow
Elytsemoh$22.214.5★1,214 rev
Upgraded Magnetic Thermal Insulated Door Curtain Thicken Polyester Fiberfill & Thicker Oxford Fabric Temporary Magnetic Screen Door Folding Doors Insulation Cover Window Insulation Kit for Winter
Odocovo$33.274.6★1,276 rev
Thermal Insulated Magnetic Door Curtain for Winter Fits Opening 36x82 in (Actual 38x83) Thicker Cotton Draft Stopper Weatherproof Windproof Soundproof Door Cover Keeps Cold Out Energy Saving
Iduontis$17.994.6★499 rev
Flux Phenom Magnetic Screen Door - Bugs Out Breeze in - 9min Install Auto-Sealing Heavy Duty Double Stitched Mesh 50 Magnets Hands Free Sliding & Patio Doors Net Pet & Kid Friendly 40 x 82 Inch
Flux Phenom$19.724.4★84,679 rev
Insulated Magnetic Door Curtain for Winter Thermal Door Cover with Triple-Layer Oxford Fabric Windproof Cold Draft Blocker Energy Saving Waterproof Curtain for Indoor Outdoor
BONLACES$28.064.5★673 rev
Newest
by launch date
Magnetic Thermal Insulated Door Curtain Thermal Cover for Winter Blanket(Curtain Size 38x83) Thickened & Windproof & Automatic Closing Winter Insulation Cover (Gray Fit Door 36x82)
CJCXXYFM$13.4140 rev
Reversible Wide Magnetic Thermal Insulated Door Curtain for Winter Thicken Polyester Fiberfill & Heavy Duty Oxford Cloth Temporary Window Insulation Cover Curtain for French Sliding Door 62x81
HxLmn$36.92663 rev
Magnetic Thermal Insulated Door Curtain Cover Made of Oxford and Cotton Fit Door Size 36 x 82 Insulated Curtains for Winter Thicker Layered Fabric Doorway Curtains Keep Cold Drafts Out
RELATA$22.0134 rev
Thermal Insulated Magnetic Door Curtain for Winter Fits Opening 36x82 in (Actual 38x83) Thicker Cotton Draft Stopper Weatherproof Windproof Soundproof Door Cover Keeps Cold Out Energy Saving
Iduontis$17.99499 rev
Magnetic Screen Door with Privacy Protection Thick PET Mesh Screen Fit for Door Size 36x80 Inch(Product Size 38x81 Inch) Pet Friendly Screen Curatin for Doorway to Keeps Bugs Out
Fillis$22.82327 rev
Trending
90-day click momentum
Magnetic Thermal Door Curtain Insulated Door Curtain Temporary Door Door Cover Durable Upgraded Oxford Cloth & Thicken Cotton Fill Soundproof and Windproof (Gray Fits Door Size 36 x 82)
Amzjjle$18.094.4★
Magnetic Screen Door with Privacy Protection Thick PET Mesh Screen Fit for Door Size 36x80 Inch(Product Size 38x81 Inch) Pet Friendly Screen Curatin for Doorway to Keeps Bugs Out
Fillis$22.824.6★
Magnetic Thermal Insulated Door Curtain Cover Made of Oxford and Cotton Fit Door Size 36 x 82 Insulated Curtains for Winter Thicker Layered Fabric Doorway Curtains Keep Cold Drafts Out
RELATA$22.014.4★
Insulated Magnetic Door Curtain for Winter Thermal Door Cover with Triple-Layer Oxford Fabric Windproof Cold Draft Blocker Energy Saving Waterproof Curtain for Indoor Outdoor
BONLACES$26.044.5★
Magnetic Thermal Insulated Door Curtain Thermal Cover for Winter Blanket(Curtain Size 38x83) Thickened & Windproof & Automatic Closing Winter Insulation Cover (Gray Fit Door 36x82)
CJCXXYFM$13.414.4★
What buyers say about thermal door cover
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to put up”
“Good quality, arrived quickly and does what I needed”
“Great value”
“Strong magnet strength”
“As Advertised”
“Works Great”
“Fits great”
“Easy to use”
“Very durable”
“Works well for privacy”
What buyers complain about
“Weak Adhesive”
“To big”
“Magnets kinda weak”
“Poor quality control”
“Its a bit thin”
“came off very quickly”
“look expensive”
“As you can see, the material is thinner than you would think based on the pictures”
“Doesn't work”
“difficult to get out of the door”
Top return reasons
Common questions
- Is thermal door cover profitable to sell on Amazon United States?
- The niche generates $96K/yr across 43 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -74.3%. Flapen's verdict: Skip it (42/100).
- How competitive is the thermal door cover niche?
- 30 brands and 33 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 48% of demand.
- What do buyers complain about in thermal door cover?
- Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Magnetic Strength/Adsorption. The return rate is 4.7%.
- When does demand for thermal door cover peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 17.6× the quietest.
- What does it cost to enter the thermal door cover niche?
- Listings span $6.67–$42.00; the average listing price is $22.64 (sweet spot $15–$100). The average incumbent carries 5,739 reviews — the moat a new listing must climb.