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Heat Alarm

Fail

The top 5 brands take 100% of clicks, so Heat Alarm is a Fail.

Flapen Score
32
32 / 100
Ranks 2,167 of 2,225 DIY & Tools niches · −17 vs the category median of 49
Market size
£109K/yr70K searches / yr
90-day growth
-19.5%search demand this quarter
Competition
96%top-5 click share · 4 brands · 15 sellers

Flapen Score

Heat Alarm against its category

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

32Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Heat Alarm market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Heat Alarm 70K times last year and spent an estimated £109K. All 4 brands take every click. Flapen scores it 32 out of 100, a Fail.

01 · Demand

An estimated 13.0% of those searches ended in a purchase.

Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.0% of those searches ended in a purchase. Searches in the last 90 days moved -19.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £109K a year.

Searches, last 12 months
70K
Growth, 90 days vs prior 90
-19.5%
Conversion, latest week
13.0%
Market size, estimated
£109Ka year
Peak month
January1.5× the quietest month
Top search term
heat alarm for kitchen20K searches a year

02 · Price

A sale here is worth £12.00.

Listings sell for £12.00 on average, from £10.85 to £13.44. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 1,500 to 2,000 of them. At £12.00 that is £18K to £24K a year per listing.

Average price
£12.00under the $15 to $100 sweet spot
Price range
£10.85–£13.44
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
1,500–2,000
Revenue per listing a year
£18K–£24K
Returns
1.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% 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 #40 within Safety & Security. It carries 2,358 reviews at 4.55 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#40in Safety & Security
Average rating
4.55 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,358per listing
Listings tracked
6

04 · Newcomers

3 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 51 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
3Amazon's first-year sales bar
Average brand age
51 months

Products

Top Heat Alarm 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 96% of clicks. A locked shelf that new listings rarely crack.

£0£16K£33K£49K£65K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

15

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

96%

Top 20: 100%

Open market

0%

  • Fireangel54%
  • BLACK+DECKER25%
  • X-Sense12%
  • WISUALARM10%
  • Open — no brand owns it (0%)

Demand

Heat Alarm search demand

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

2K1KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Heat Alarm search terms shoppers use

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

  • heat alarm for kitchen20K/yr
  • heat alarm18K/yr
  • heat detector for kitchen11K/yr
  • heat detector10K/yr
  • fire angel heat alarm3K/yr
  • heat detector alarm3K/yr
  • heat sensor3K/yr
  • fireangel heat alarm3K/yr

Reviews and returns

What reviews say buyers love and hate about Heat Alarm

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

17%of positive reviews mention “Quality-Overall”
33%of negative reviews mention “Durability”
1.8%of orders come back
“Failed within two years”
A buyer, on “Durability”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.

19 topics

NegativePositive

FAQ

Common Heat Alarm 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