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Heatmiser

Fail

Demand is soft, at -60.9% this quarter, so Heatmiser is a Fail.

Flapen Score
35
35 / 100
Ranks 2,091 of 2,225 DIY & Tools niches · −14 vs the category median of 49
Market size
£72K/yr25K searches / yr
90-day growth
-60.9%search demand this quarter
Competition
63%top-5 click share · 6 brands · 21 sellers

Flapen Score

Heatmiser against its category

The dotted line is the DIY & Tools average. Past it, Heatmiser is stronger. Inside it, weaker.

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Heatmiser market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Heatmiser 25K times last year and spent an estimated £72K. The top 5 brands take 95% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 35 out of 100, a Fail.

01 · Demand

An estimated 5.0% of those searches ended in a purchase.

Shoppers searched for this 25K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved -60.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £72K a year.

Searches, last 12 months
25K
Growth, 90 days vs prior 90
-60.9%
Conversion, latest week
5.0%
Market size, estimated
£72Ka year
Peak month
November6.0× the quietest month
Top search term
heatmiser9K searches a year

02 · Price

A sale here is worth £58.46.

Listings sell for £58.46 on average, from £9.50 to £124.17. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At £58.46 that is £0 to £6K a year per listing.

Average price
£58.46inside the $15 to $100 sweet spot
Price range
£9.50–£124.17
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
2K–2K
Units per listing a year
0–100
Revenue per listing a year
£0–£6K
Returns
5.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

44% of listings pay for placement with sponsored ads. 83% ship with Prime. On an average day, 13.8% of listings are out of stock. The average listing ranks #98 within Building Supplies. It carries 39 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
44%
Prime listings
83%
Out of stock, average day
13.8%
Average rank
#98in Building Supplies
Average rating
4.50 starsAmazon United Kingdom average 4.36 stars
Average reviews
39per listing
Listings tracked
18

04 · Newcomers

2 of last year's 5 launches cleared the first-year sales bar.

5 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 63 months on average, so the names here are established.

Launched, last 12 months
5
Successful launches
2Amazon's first-year sales bar
Average brand age
63 months

Products

Top Heatmiser products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£7K£11K£14K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

6 rising

Sellers

21

Est. top-5 brand share

95%

Top 20: 100%

Est. top-5 click share

63%

Top 20: 100%

Open market

0%

  • Heatmiser32%
  • EVO27%
  • Kudos-Trading16%
  • LavaTap11%
  • Fastwarm8%
  • The Floor Heating Warehouse5%

Demand

Heatmiser search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K750Spike '24Black Friday '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 6.0×

Search terms

Top Heatmiser search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • heatmiser9K/yr
  • heatmiser thermostat7K/yr
  • heatmiser neo stat v29K/yr

Reviews and returns

What reviews say buyers love and hate about Heatmiser

We read the reviews and the return reasons for every product selling here.

18%of positive reviews mention “Quality-Overall”
33%of negative reviews mention “Advertised Vs Actual Product”
5.3%of orders come back
“NO PROBE! Advertised to be sold with a probe. Probe not supplied!”
A buyer, on “Advertised Vs Actual Product”33% 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.

17 topics

NegativePositive

FAQ

Common Heatmiser questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data