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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

13.0% of searches ended in a purchase last week.

Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 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

Amazon counts 3 of last year's 3 launches as successful.

3 products launched here in the last 12 months. Amazon counts 3 of them as successful launches, new products that hit its first-year sales bar. 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

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 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

Top-5 brand share

100%

Top 20: 100%

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 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

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Durability33%−0.31

Failed within two years

Failed within 5 months

doesn't last

Battery Life29%−0.21

No battery life

Battery doesn't last

Battery Failure

Noise Level7%0.00

Most alarming

with a loud

-very loud alarm

Quality-Overall3%+1.03

Cheap Rubbish

Poor product

Rubbish

Functionality-Overall3%−0.02

contacted them again to say that it did not work cleaning it

Wont work

No longer functioning as it should

Love

Quality-Overall17%+1.03

it seems well made

Excellent product

This item is well constructed, with a quality look and feel

Size-Overall10%+0.65

Simple to fit

Easy to fit

Fits my original base plate

Assembly/Installation10%+0.70

Installation was quick

Easy set up

Easy to install

Alarm/Timer Accuracy9%+0.35

The alarm is nice

-very loud alarm

Good smoke alarm

Value For Money9%+0.58

Good value

Good value for money

Worth the money

Return

1.8% Return rate 16% Fixable by listing

Alarm/Timer Accuracy23%▆▇▆▆█▆

giving false alarms

Hate alarm

Too many false alarms

Functionality-Overall20%█▇█▇▄▆

contacted them again to say that it did not work cleaning it

Wont work

No longer functioning as it should

Size-Overall13%▅▆▄▇██
Compatibility-Overall9%▂▆▇▅▃█
Defective Material/Parts8%▆▃▄▅█▃

FAQ

Common Heat Alarm questions

Answered from the same tracked data.