thermal window coverings for winter
Skip itSoft demand (-68.7% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$21.23avg listing price — sweet spot $15–$100
Brand share
Great52%top-5 brand share — no brand owns this niche
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Price range
Good$7.21–$35.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Good776.62avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.6%return rate — above 5% kills the launch gate
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Market size
Bad$24K$24K/yr · 90K searches
Growth
Bad-68.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, thermal window coverings for winter is a $24K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 52% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
thermal window coverings for winter market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $32K–$42K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #97
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 5.1%
- Avg brand age
- 39 months
- Avg seller age
- 139 days
Competition & brand share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
26 falling
Sellers
29
Top-5 brand share
52%
Top 20: 95%
Top-5 click share
42%
Top 20: 78%
Open market
41%
- FONUNO18%
- LSGCQ11%
- AGHITG9%
- Skloopearg8%
- Sumobaby7%
- ZUNGOUMC7%
Demand & seasonality
Weekly Amazon search volume, last 87 weeks — -68.7% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 24.4×
Top thermal window coverings for winter search terms
- insulated window cover44K/yr
- insulated window coverings19K/yr
- thermal window cover for winter26K/yr
- mellroom window insulation kit2K/yr
Top thermal window coverings for winter 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
Reflective Bubble Insulation Sheet Double Side Aluminum Foil Bubble Shield Aluminum Foil Thermal Insulation Radiant Barrier for Windows RV Roof Garage Door (23.6IN X 10FT)
FONUNO$13.864.6★1,980 rev
AGHITG Reflective Insulation Foam 48 x 10 Ft Window Insulation for Summer Heat Aluminum Foil Bubble Insulation Roll for Keep Heat Window Insulation Kit for RV Thermal Insulation Cover for Window.
AGHITG$26.024.4★1,948 rev
Window Insulation for Winter Thermal Curtains Insulated Window Blanket Cover to Keep Cold Out Weatherproofing Insulation Kits for Home (27 x 39 Black)
LSGCQ$23.974.4★34 rev
Black Out Window Cover Portable Blacout Curtain for Bedroom Blackout Blinds No Drill Cuttable Blackout Shades Adhesive Thermal Portable Temporary Darkening Kitchen Travel Skylight RV Dorm 40x57 inch
ZUNGOUMC$7.214.4★1,512 rev
Reflective Foil Insulation Double Reflective Bubble Insulation Sheet Aluminum Foil Bubble Shield Radiant Barrier Roll for RV Windows Weatherproofing (23.6x 10Ft)
LSGCQ$12.994.6★1,361 rev
Newest
by launch date
Window Insulation for Winter Insulated Window Cover Thermal Curtains Weatherproofing Insulated Curtains Cover with Outer Oxford Cloth Thicken Cotton Layer for Home RV Basement (27x 39 Black)
FONUNO$23.6227 rev
Window Insulation for Winter Thermal Curtains Insulated Window Blanket Cover to Keep Cold Out Weatherproofing Insulation Kits for Home (27 x 39 Black)
LSGCQ$23.9734 rev
BLOCE Window Insulation Kit for Winter Thermal Window Cover for Winter Thicken Warm Winter Waterproof Attic Insulation Cover (Grey 63 L x 47 W)
BLOCE$15.5018 rev
Skloopearg Winter Visible Insulated Window Curtain 39x63 Oxford Cloth Thermal Insulated Window Cover with Buckles Heavy Duty Window Insulation Kit Fits Windows up to 38x62 Grey
Skloopearg$17.38120 rev
Skloopearg Winter Insulated Window Curtain 39x63 Oxford Cloth Thermal Insulated Window Cover with Buckles Heavy Duty Window Insulation Kit Fits Windows up to 38x62 Brown Red
Skloopearg$17.13120 rev
Trending
90-day click momentum
Window Insulation kit 3-Layer Cotton Thermal Insulated Window Cover 47 Inch x 63 Inch Oxford Winter Window Covering Velcro Insulation Curtain for Cold Weather to Keep Warm (47X63inch)
Hlimior$23.084.3★
Frienda Rv Window Reflective Insulation Roll 47.2inchx10ft Double Aluminum Foil Heat Bubble Thermal Window Shade Door Cover Blackout for Garage Roof Travel Camper Skylight Shield
Frienda$33.564.1★
BLOCE Window Insulation Kit for Winter Thermal Window Cover for Winter Thicken Warm Winter Waterproof Attic Insulation Cover (Grey 63 L x 47 W)
BLOCE$15.504.9★
Tonature No Drill Cellular Shades for Indoor Windows Thermal Insulating & Noise Reducing Honeycomb Blinds Free Stop Cordless Blackout Shades Grey 22 W x 64 H
Tonature$30.904.6★
YoleShy Double Reflective Insulation 48 in X 10 FT RV Window Insulation for Summer Heat Reflective Window Film for Roof Car Garage Doors
YoleShy$23.444.5★
What buyers say about thermal window coverings for winter
What buyers praise and complain about, mined from review topics.What buyers love
“Ease to install”
“Excellent product”
“Easy to use”
“As advertised”
“Good value for the money”
“Works very well”
“It fit the window”
“The material feels durable”
“good adhesion”
“Great for sleeping”
What buyers complain about
“Bad adhesive”
“It is thick”
“so it just barely fit”
“Garbage”
“Not as advertised”
“Overpriced”
“which reduces its effectiveness”
“Totally blocks heat”
“Installation sucks”
“Really pungent chemical smell”
Top return reasons
Common questions
- Is thermal window coverings for winter profitable to sell on Amazon United States?
- The niche generates $24K/yr across 37 tracked products. 2 of 15 products launched in the last 360 days are still selling. 90-day search growth is -68.7%. Flapen's verdict: Skip it (44/100).
- How competitive is the thermal window coverings for winter niche?
- 26 brands and 29 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in thermal window coverings for winter?
- Top complaints mined from reviews: Adhesion/Stickiness, Thickness, Size-Overall. The return rate is 3.6%.
- When does demand for thermal window coverings for winter peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 24.4× the quietest.
- What does it cost to enter the thermal window coverings for winter niche?
- Listings span $7.21–$35.33; the average listing price is $21.23 (sweet spot $15–$100). The average incumbent carries 777 reviews — the moat a new listing must climb.