Carbon Monoxide Detector
MaybeBuyers convert on 16.6% of searches. But demand is soft, at -23.6% this quarter, so Carbon Monoxide Detector is a Maybe.
- Flapen Score
- 52 / 100Top 33% of 2,225 DIY & Tools niches · +3 vs the category median of 4952
- Market size
- £5.0M/yr2.4M searches / yr
- 90-day growth
- -23.6%search demand this quarter
- Competition
- 72%top-5 click share · 9 brands · 29 sellers
Flapen Score
Carbon Monoxide Detector against its category
The dotted line is the DIY & Tools average. Past it, Carbon Monoxide Detector is stronger. Inside it, weaker.
Market
The Carbon Monoxide Detector market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Carbon Monoxide Detector 2.4M times last year and spent an estimated £5.0M. The top 5 brands take 81% of clicks. Demand peaks in Jan–Oct–Nov. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 16.6% of those searches ended in a purchase.
Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.6% of those searches ended in a purchase. Searches in the last 90 days moved -23.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £5.0M a year.
- Searches, last 12 months
- 2.4M
- Growth, 90 days vs prior 90
- -23.6%
- Conversion, latest week
- 16.6%
- Market size, estimated
- £5.0Ma year
- Peak month
- October1.9× the quietest month
- Top search term
- carbon monoxide detector1.3M searches a year
02 · Price
A sale here is worth £12.51.
Listings sell for £12.51 on average, from £6.75 to £20.01. Amazon reports units sold in ranges. This niche sold 300K to 400K a year. The average listing sells 20,000 to 25,000 of them. At £12.51 that is £250K to £313K a year per listing.
- Average price
- £12.51under the $15 to $100 sweet spot
- Price range
- £6.75–£20.01
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 300K–400K
- Units per listing a year
- 20,000–25,000
- Revenue per listing a year
- £250K–£313K
- Returns
- 0.5%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. 86% ship with Prime. On an average day, 6.3% of listings are out of stock. The average listing ranks #10 within Safety & Security. It carries 4,426 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 86%
- Out of stock, average day
- 6.3%
- Average rank
- #10in Safety & Security
- Average rating
- 4.59 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 4,426per listing
- Listings tracked
- 14
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 42 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
- 42 months
Products
Top Carbon Monoxide Detector 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.
Top sellers
by estimated 90-day click share
FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button Single
- Price
- £11.94
- Rating
- 4.7/5
- Reviews
- 9,145
- Age
- 2y ago

Kidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home
- Price
- £11.08
- Rating
- 4.6/5
- Reviews
- 33,828
- Age
- 6y ago

Carbon Monoxide Detector with Digital Display CO Alarm with Replaceable Battery - 10 Year Sensor Life Portable Carbon Monoxide Alarm for Home with Memory Alarm Function 1 Pack(White).
- Price
- £11.03
- Rating
- 4.7/5
- Reviews
- 610
- Age
- 11mo ago

X-Sense Carbon Monoxide Detector Replaceable Battery Powered CO Alarm with Digital Display Portable Carbon Monoxide Alarm for Home with CO Peak Value Memory XC0C-SR 1-Pack
- Price
- £10.80
- Rating
- 4.7/5
- Reviews
- 4,929
- Age
- 2y ago

Carbon Monoxide Detector Carbon Monoxide Alarm with PPM Display CO Alarm with Test Button Battery Powered CO Detector Monitor with 85 dB Audible for Home and Holiday(Batteries NOT Included)
- Price
- £7.94
- Rating
- 4.5/5
- Reviews
- 794
- Age
- 1y ago
Trending
estimated 90-day click momentum
FUMIXTEX Carbon Monoxide Detector with LCD Display CO Alarms Replaceable Battery Powered 10 Year Sensor Life Portable CO Detectors for Travel 1 PCS
- Price
- £10.31
- Rating
- 4.6/5
- Reviews
- 55
- Age
- 7mo ago

Carbon Monoxide Detector with LCD Digital Display CE Certified CO Alarm with Sealed in 10 Year Battery Standalone Audible CO Detector for Home White 1 Pack
- Price
- £13.88
- Rating
- 4.6/5
- Reviews
- 1,163
- Age
- 3y ago

Carbon Monoxide Detector with Digital Display CO Alarm with Replaceable Battery - 10 Year Sensor Life Portable Carbon Monoxide Alarm for Home with Memory Alarm Function 1 Pack(White).
- Price
- £11.03
- Rating
- 4.7/5
- Reviews
- 610
- Age
- 11mo ago

Carbon Monoxide Detector with LCD Digital Display CE Certified CO Alarm with Sealed in 10 Year Battery Standalone Audible CO Detector for Home Black 1 Pack
- Price
- £14.41
- Rating
- 4.6/5
- Reviews
- 1,163
- Age
- 3y ago

FireAngel FA3820 Carbon Monoxide Detector 10-Year Life Sealed Battery Carbon Monoxide Alarm for Home and Travel Portable CO Alarm Monitor 1-Pack
- Price
- £18.73
- Rating
- 4.6/5
- Reviews
- 3,377
- Age
- 3y ago
Newest
by launch date
FUMIXTEX Carbon Monoxide Detector with LCD Display CO Alarms Replaceable Battery Powered 10 Year Sensor Life Portable CO Detectors for Travel 1 PCS
- Price
- £10.31
- Rating
- 4.6/5
- Reviews
- 55
- Age
- 7mo ago

Carbon Monoxide Detector with Digital Display CO Alarm with Replaceable Battery - 10 Year Sensor Life Portable Carbon Monoxide Alarm for Home with Memory Alarm Function 1 Pack(White).
- Price
- £11.03
- Rating
- 4.7/5
- Reviews
- 610
- Age
- 11mo ago

FireAngel FA6812 Digital Carbon Monoxide Detector with LCD Screen 10-Year CO Alarm Sensor Portable Carbon Monoxide Alarm for Home Travel Caravan
- Price
- £18.56
- Rating
- 4.8/5
- Reviews
- 1,727
- Age
- 1y ago

EIBEST Carbon Monoxide Detector Carbon Monoxide Alarm CO Detector With LED display And 85 Decibel Sound And Light Alarm
- Price
- £6.75
- Rating
- 4.2/5
- Reviews
- 251
- Age
- 1y ago

Carbon Monoxide Detector Carbon Monoxide Alarm with PPM Display CO Alarm with Test Button Battery Powered CO Detector Monitor with 85 dB Audible for Home and Holiday(Batteries NOT Included)
- Price
- £7.94
- Rating
- 4.5/5
- Reviews
- 794
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
9 rising
Sellers
29
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
13%
- Fireangel36%
- Kidde20%
- Safeliveo9%
- XINDUM8%
- X-Sense8%
- Fenary6%
- Open — no brand owns it (3 brands, 13%)
Demand
Carbon Monoxide Detector search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Oct, Nov · busiest ÷ quietest = 1.9×
Search terms
Top Carbon Monoxide Detector search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- carbon monoxide detector1.3M/yr
- carbon monoxide alarm391K/yr
- carbon monoxide alarms for home146K/yr
- co2 detector110K/yr
- fire angel carbon monoxide alarm56K/yr
- carbon monoxide detectors52K/yr
- fireangel carbon monoxide detector23K/yr
- co2 monitor48K/yr
- co alarm38K/yr
- co2 alarm41K/yr
Reviews and returns
What reviews say buyers love and hate about Carbon Monoxide Detector
We read the reviews and the return reasons for every product selling here.
“stopped working after 1.5 years of barely being used”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Carbon Monoxide Detector 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








