Carbon Monoxide Detector
Carbon Monoxide Detector shows searches that convert (16.6% search→purchase), but soft demand (-23.6% this quarter) keeps it on the watch list.
Flapen Score
Is Carbon Monoxide Detector profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Carbon Monoxide Detector is a £5.0M/yr Amazon United Kingdom market (2.4M searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Oct–Nov. Verdict: Worth a look — 52/100.
Carbon Monoxide Detector: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -23.6% over the last 90 days and 16.6% of searches end in a purchase.
£5.0M
revenue / yr
Who owns the niche?
The top 5 brands hold 81% of demand, so 19% of the market is open.
19%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 14 products
Top Carbon Monoxide Detector products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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: brands, sellers & click share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
Brands
9 rising
Sellers
29
Top-5 brand share
81%
Top 20: 100%
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%)
Carbon Monoxide Detector demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Oct, Nov · busiest ÷ quietest = 1.9×
Top Carbon Monoxide Detector search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about Carbon Monoxide Detector
What buyers mention most, as a share of all reviews.
What buyers love
82% of reviews“Good value for money”
“Good quality device”
“As advertised”
“Easily installed”
“Easy to read”
What buyers complain about
63% of reviews“stopped working after 1.5 years of barely being used”
“battery only lasted 10 weeks”
“think the unit isn't working”
“Very loud”
“Poor quality control”
Carbon Monoxide Detector return rate & reasons
Why buyers send it back, as a share of all return requests.
0.5%
Return rate
7%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Carbon Monoxide Detector questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.








