Window Heat Blocker Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Window Heat Blocker sales on Amazon US totaled 270,000 units in July 2026 (▲ 5.5% vs. the prior month), generating an estimated $3,615,450 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 40.7% of unit volume and 34.4% of revenue, while a typical listing is priced at $14.25. The keyword itself pulled 14,426 Amazon queries over the same period (▼ 36.0% MoM).
Zooming out to the 12-month window ending July 2026, the window heat blocker Top 50 moved 1,964,700 units and $27,004,328 in cumulative sales — an average of 163,725 units and $2,250,361 per month. Monthly throughput topped out at 270,000 units in July 2026 and dipped to 105,000 in May 2026, leaving the latest reading 55.6% higher than August 2025.
Window Heat Blocker Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
270K
▲ 5.5% MoM
Monthly Revenue 2026/07
$3.6M
▲ 2.3% MoM
Top 10 Market Share 2026/07
40.7%
Window Heat Blocker Market Share & Sales Concentration on Amazon US — July 2026
The most-sold window heat blocker listing on Amazon US in July 2026 is ASIN B01CS31R94 (Brand: NICETOWN), which sold 20,000 units at $9.98 apiece — equal to 7.4% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 110,000 units and $1,244,600 in July 2026 — 40.7% of unit volume and 34.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Window Heat Blocker' on Amazon
July 2026
Is 40.7% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B01CS31R94
NICETOWN Black Blackout Curtains for Bedroom 42" Wide x 63" Long 2 Panels | Solid Grommet Thermal Insulated Drapes, Noise Reducing, Light Blocking, Room Darkening Decor for Kitchen Window Treatments
20K
▼ 33.3%vs. prior month
$199.8K
latest month
12-month trend
B00WH7Y7TY
Munchkin Brica Sun Safety Car Window Shade with Heat Alert, Helps Block UVA/UVB Rays, 2 Pack, Black
10K
▲ 0.0%vs. prior month
$104.3K
latest month
12-month trend
B01N20YR6B
rabbitgoo Rainbow Window Privacy Film, Stained Glass Cling, 17.5" x 78.7" | Decorative Static Sticker, Non-Adhesive Reusable Window Tint, Heat Control UV Blocking Coverings for Home Doors, Living Room
10K
▲ 0.0%vs. prior month
$72.8K
latest month
12-month trend
B074DLQ2YM
Magnelex Car Windshield Sunshade – Double-Layer Design for 2X Heat Blocking, Blocks UV Rays, Foldable Sun Shade for Cars, Trucks & SUVs, Keeps Interior Cooler, Medium (59 x 31 in)
10K
▲ 0.0%vs. prior month
$152.3K
latest month
12-month trend
B07P7FKW8X
KESPEN Window Privacy Film One Way Static Cling Tint, Black, 17.5InX6.5Ft | Reflective Sun Heat Blocking Daytime Privacy Anti UV Window Tint for Home Office
10K
▲ 0.0%vs. prior month
$65.8K
latest month
12-month trend
B08BLRGWGY
2026 Windshield Sun Shade Umbrella, Foldable Car Sunshade, 99% UV Block | Car Front Window Shield(Heat Insulation Protection) for Auto Windshield Covers Blackout Trucks Cars(Large)
10K
▲ 0.0%vs. prior month
$160.1K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Window Heat Blocker Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
NICETOWN is the best-performing window heat blocker brand in July 2026, moving 20,000 units across 1 ASIN for 18.2% of Top 10 volume. Dwersty follows with 20,000 units (18.2%), ahead of Munchkin on 10,000 units (9.1%).
Volume is spread across 9 brands, with the top three holding 45.5% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $5.95 to $14.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
NICETOWN
1 ASIN in Top 10
18.2%
Units
20K
Revenue
$199.8K
Avg. price
$9.98
B01CS31R94
$9.98·★4.6·132.7K revsNICETOWN Black Blackout Curtains for Bedroom 42" Wide x 63" Long 2 Panels | Solid Grommet Thermal Insulated Drapes, Noise Reducing, Light Blocking, Room Darkening Decor for Kitchen Window Treatments
Units sold20K
Dwersty
2 ASINs in Top 10
18.2%
Units
20K
Revenue
$116K
Avg. price
$5.95
B0CRF6K82X
$5.97·★4.3·5.1K revsDwersty Frosted Glass Window Privacy Film Decorative, 17.5" x 78.74" | Bathroom Window Tint for Home Glass Windows Cover, Static Cling, Removable, Reusable, Anti-UV, Anti-Glare, White
Units sold10KB0FJRLY2NT
$5.93·★4.3·5.5K revsUpgraded One Way Window Privacy Film Sun Heat Blocking, 17.5" x 78.7" | Reflective Mirror Window Tint for Home Glass Windows Cover See Out Not In, Static Cling, Anti-UV, Anti-Glare, Black-Silver
Units sold10K
Munchkin
1 ASIN in Top 10
9.1%
Units
10K
Revenue
$104.3K
Avg. price
$14.99
B00WH7Y7TY
$14.99·★4.3·13.6K revsMunchkin Brica Sun Safety Car Window Shade with Heat Alert, Helps Block UVA/UVB Rays, 2 Pack, Black
Units sold10K
Trending Window Heat Blocker Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0881QG5WK booked 10K units at $11.69, with ▲ 25.0% MoM change. On the growth side, B073TVRQ5D leads positive momentum with ▲ 200.0% MoM growth on 3K units, with B0BN88M7K5 close behind at ▲ 200.0% MoM on 3K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0881QG5WK
ChrisDowa Blackout Curtains for Bedroom and Living Room 63 Inches Long | 2 Panels Set, Thermal Insulated, Light Blocking, Room Darkening, Grommet, Window Drapes, Dark Grey, 42 x 63 Inch
Price
$11.69
Rating
4.6
Reviews
31.1K
Latest month sales
B073TVRQ5D
VELIMAX Static Cling Total Blackout Window Film Privacy Room Darkening Window Tint Black Window Cover 100% Light Blocking No Glue (17.7 x 78.7 inches)
Price
$6.99
Rating
4.3
Reviews
26.9K
Latest month sales
B0BN88M7K5
Coavas One Way Privacy Window Film Heat & Glare Control, 17.5"x78.7" Black | Static Cling No Glue Window Tint for Home, Daytime See Out Not In Mirror Privacy for Home Glass
Unlock to view ASIN details and product titles
Price
$5.38
Rating
4.2
Reviews
12.8K
Latest month sales
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