Co2 Monitor
MaybeReturns run at only 0.6% of orders. But demand is soft, at -31.3% this quarter, so Co2 Monitor is a Maybe.
- Flapen Score
- 50 / 100Top 43% of 2,225 DIY & Tools niches · +1 vs the category median of 4950
- Market size
- £86K/yr107K searches / yr
- 90-day growth
- -31.3%search demand this quarter
- Competition
- 62%top-5 click share · 15 brands · 32 sellers
Flapen Score
Co2 Monitor against its category
The dotted line is the DIY & Tools average. Past it, Co2 Monitor is stronger. Inside it, weaker.
Market
The Co2 Monitor market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Co2 Monitor 107K times last year and spent an estimated £86K. The top 5 brands take 66% of clicks. Demand peaks in Oct–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
3.7% of searches ended in a purchase last week.
Shoppers searched for this 107K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 3.7% of those searches ended in a purchase. Searches in the last 90 days moved -31.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £86K a year.
- Searches, last 12 months
- 107K
- Growth, 90 days vs prior 90
- -31.3%
- Conversion, latest week
- 3.7%
- Market size, estimated
- £86Ka year
- Peak month
- November3.1× the quietest month
- Top search term
- co2 monitor48K searches a year
02 · Price
A sale here is worth £21.55.
Listings sell for £21.55 on average, from £7.58 to £55.63. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £21.55 that is £5K to £11K a year per listing.
- Average price
- £21.55inside the $15 to $100 sweet spot
- Price range
- £7.58–£55.63
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £5K–£11K
- Returns
- 0.6%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. 95% ship with Prime. On an average day, 12.4% of listings are out of stock. The average listing ranks #15 within Safety & Security. It carries 2,944 reviews at 4.14 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 95%
- Out of stock, average day
- 12.4%
- Average rank
- #15in Safety & Security
- Average rating
- 4.14 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,944per listing
- Listings tracked
- 19
04 · Newcomers
Amazon counts 2 of last year's 8 launches as successful.
8 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 8
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top Co2 Monitor products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
SwitchBot CO2 detector with Built-in Hygrometer Temperature Humidity Monitor with carbon dioxide monitor Bluetooth CO2 Monitor 2-Year Data Storage SwitchBot Hub Required for WiFi Function
- Price
- £44.88
- Rating
- 4.5/5
- Reviews
- 1,113
- Age
- 1y ago

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

Air Quality Monitor Indoor Carbon Dioxide Monitor with LCD Display Carbon Dioxide Detector CO2 Monitor 5 In 1 Air Pollution Tester for Home Kitchen Office Car
- Price
- £14.43
- Rating
- 3.4/5
- Reviews
- 13
- Age
- 11mo 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

Temtop CO2 Monitor Indoor Air Quality Monitor Portable Carbon Dioxide Detector CO2 Temperature Humidity Meter for Home Office School
- Price
- £43.21
- Rating
- 4.4/5
- Reviews
- 766
- Age
- 2y ago
Trending
90-day click momentum
CO2 Monitor Detector focombance 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity SensMonitor LCD Display Home Office Gym Car Multi
- Price
- £15.53
- Rating
- 3.0/5
- Reviews
- 8
- Age
- 2mo ago

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

CO2 Monitor Detector
- Price
- £14.94
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 5mo ago

CO2 Monitor
- Price
- £14.94
- Rating
- 3.5/5
- Reviews
- 2
- Age
- 3mo ago

SONOFF AirGuard CO2 Smart Indoor Air Quality Monitor Matter Compatible 2.4GHz WiFi Carbon Dioxide Detector for CO2/Temp/Humidity Real-Time Display & Alarm for Bedroom Nusery room
- Price
- £36.12
- Rating
- 4.2/5
- Reviews
- 135
- Age
- 8mo ago
Newest
by launch date
CO2 Monitor Detector focombance 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity SensMonitor LCD Display Home Office Gym Car Multi
- Price
- £15.53
- Rating
- 3.0/5
- Reviews
- 8
- Age
- 2mo ago

CO2 Monitor
- Price
- £14.94
- Rating
- 3.5/5
- Reviews
- 2
- Age
- 3mo ago

CO2 Monitor Detector
- Price
- £14.94
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 5mo ago

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

SONOFF AirGuard CO2 Smart Indoor Air Quality Monitor Matter Compatible 2.4GHz WiFi Carbon Dioxide Detector for CO2/Temp/Humidity Real-Time Display & Alarm for Bedroom Nusery room
- Price
- £36.12
- Rating
- 4.2/5
- Reviews
- 135
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take 62% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 falling
Sellers
32
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
26%
- SwitchBot23%
- Fireangel14%
- HISUEKIG12%
- focombance9%
- Kidde8%
- Temtop8%
Demand
Co2 Monitor search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 3.1×
Search terms
Top Co2 Monitor search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- co2 monitor48K/yr
- carbon dioxide detector24K/yr
- carbon dioxide monitor13K/yr
- co2 meter6K/yr
- co2 sensor4K/yr
- co2 detectors3K/yr
- c02 monitor4K/yr
- co2 monitor for home4K/yr
- carbon dioxide2K/yr
Reviews and returns
What reviews say buyers love and hate about Co2 Monitor
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
then constantly said low battery even when the batteries were changed to new ones
The monitor is not battery operated
Poor battery life
stopped working after 1.5 years of barely being used
then died completely
Stopped working after 1 month
Stops working too frequently
Didn't work
Nothing on the screen, just malfunctioning
Neat device, poor documentation with incorrect information
There are no instructions on how to open it to insert the batteries -NONE
Im only giving it 3 stars because the instructions are very small to read I had to use UTube to see how to set it up
The temperature, HCHO, and HVOC readings seem inaccurate and not of any use
I can't test the accuracy of the unit at measuring CO concentrations
I dont trust the precision of the CO2 reading
Love
Very good well made product
Good quality device
Excellent product
Good value for money
Decent price
excellent value
As advertised
Just what I needed
As described
easy to mount
Easily installed
Easy to assemble
Easy to read
Easy to use
I found it very handy
Return
0.6% Return rate 6% Fixable by listing
Stops working too frequently
Didn't work
Nothing on the screen, just malfunctioning
Alarm not working
Very loud alarm
The unit is faulty it keeps alarming and reading high
then constantly said low battery even when the batteries were changed to new ones
The monitor is not battery operated
Poor battery life
the backplate did not fit the unit
really tiny
A bit large for what it is
Keep looking
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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 Co2 Monitor questions
Answered from the same tracked data.








