--- title: "Is King Duvet Insert Cooling Worth Selling on Amazon US?" canonical_url: "https://flapen.com/research/us/home-kitchen/king-duvet-insert-cooling" last_updated: "2026-09-18T19:52:26.215Z" locale: en meta: description: "King Duvet Insert Cooling Amazon US estimated sales data: $26,700/month, +22.7% growth. Worth selling? See the verdict." "og:description": "King Duvet Insert Cooling Amazon US estimated sales data: $26,700/month, +22.7% growth. Worth selling? See the verdict." "og:title": "Is King Duvet Insert Cooling Worth Selling on Amazon US?" --- OverviewNichesProductsSearch terms Flapen Score ## King Duvet Insert Cooling against its category The dotted line is the Home & Kitchen average. Past it, King Duvet Insert Cooling is stronger. Inside it, weaker.Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality GapThis niche Category average [**See the method **](https://flapen.com/science) Market ## The King Duvet Insert Cooling market on Amazon at a glance Shoppers on Amazon United States searched for King Duvet Insert Cooling 128K times last year and spent an estimated $320K. The top 5 brands take 80% of clicks. Demand peaks in Jun–Jul. Flapen scores it 50 out of 100, a Maybe. 01 · Demand ### An estimated 4.0% of those searches ended in a purchase. Shoppers searched for this 128K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.0% of those searches ended in a purchase. Searches in the last 90 days moved +22.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $320K a year.
Searches, last 12 months
128K
Growth, 90 days vs prior 90
+22.7%
Conversion, latest week
4.0%
Market size, estimated
$320Ka year
Peak month
July1.8× the quietest month
Top search term
king duvet insert cooling20K searches a year
02 · Price ### A sale here is worth $62.35. Listings sell for $62.35 on average, from $26.50 to $156.35. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At $62.35 that is $6K to $16K a year per listing.
Average price
$62.35inside the $15 to $100 sweet spot
Price range
$26.50–$156.35
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
$6K–$16K
Returns
2.9%of orders · Amazon United States median 2.1%
03 · Entry bar ### The bar here is ads and reviews. 96% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #27 within Comforters & Sets. It carries 26,658 reviews at 4.55 stars, so a new listing needs social proof before a better product.
Sponsored listings
96%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#27in Comforters & Sets
Average rating
4.55 starsAmazon United States average 4.42 stars
Average reviews
26,658per listing
Listings tracked
25
04 · Newcomers ### 2 of last year's 2 launches cleared the first-year sales bar. 2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
46 months
Products ## Top King Duvet Insert Cooling products & what they sell for Every tracked product: its share of the shelf, its reviews, and its price.**Sign in to see the products** The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone. [Sign in](https://flapen.com/auth/login) Competition ## Competition: brands, sellers & click share The top 5 products take 52% of clicks. Leaders hold, but buyers still shop past them. Brands**16 **▲rising Sellers**22** Top-5 brand share**80%** Top 20: 100% Top-5 click share**52%** Top 20: 96% Open market**15%**- Brand 130% - Brand 215% - Brand 314% - Brand 411% - Brand 510% - Brand 65% - Open — no brand owns it (10 brands, 15%) Demand ## King Duvet Insert Cooling search demand Weekly searches over the year, seasonality beneath. Pick a range.3M6M1YAll5K4KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay Peak months: Jun, Jul · busiest ÷ quietest = 1.8× Search terms ## Top King Duvet Insert Cooling search terms shoppers use The exact words shoppers type, with yearly volume, growth, and conversion.90D1Y - **king duvet insert cooling**20K/yr+43.5%4.8% conv. - **cooling duvet insert king**14K/yr+29.9%2.1% conv. - **duvet insert king cooling**12K/yr+36.5%3.1% conv. - **lightweight duvet insert king**12K/yr+10.0%4.0% conv. - **summer duvet insert king**7K/yr+49.5%3.0% conv. - **king insert for duvet cover**9K/yr+2.2%5.5% conv. - **lightweight king duvet insert**5K/yr+116.5%4.9% conv. - **thin duvet insert king**7K/yr+15.2%4.0% conv. - **king size duvet insert cooling**7K/yr+33.1%3.8% conv. - **king duvet insert lightweight**5K/yr+14.8%5.5% conv. Reviews and returns ## What reviews say buyers love and hate about King Duvet Insert Cooling We read the reviews and the return reasons for every product selling here.**15%**of positive reviews mention “Comfort-Overall”**10%**of negative reviews mention “Size-Overall”**2.9%**of orders come back > **“it was too big” **_A buyer, on “Size-Overall”10% of negative reviews mention the same topic_ Every topic ### Every topic buyers talk about, one row each. Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote. 15 topics**Negative****Positive****Comfort-Overall**+1.254%15%7% of returns“Very comfortable to sleep”**Quality-Overall**−0.027%10%3% of returns“Amazing quality”**Size-Overall**−0.0310%6%33% of returns“it was too big”**Warmth**+0.663%12%7% of returns“Comfortable and warm”**Soft Feel**—11%“Extremely soft”**Value For Money**+0.303%7%4% of returns“Amazing price”**Weight Light**+0.859%“Lightweight for sure”**Thickness**−0.037%2%2% of returns“Not thick as advertised”**Fluffiness**—5%4%“Not fluffy”**Advertised Vs Actual Product**—3%3%6% of returns“As advertised”**Heating**−0.035%“heat never goes on”**Smell**−0.023%“this smell is rancid”**Thin**—8% of returnsReturn reason only. No review mentions it.**Material Quality**—7% of returnsReturn reason only. No review mentions it.**Weight Heavy**—5% of returnsReturn reason only. No review mentions it.Expand all rows Keep looking ## Related niches Niches in the same category that score near this one. Research these next. [All Home & Kitchen niches](https://flapen.com/research/us/home-kitchen/niches) [

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