Carbon dioxide detectors in comparison
-
Find instead of search!
-
Data-based comparison - quick & easy
-
Last updated on 04.10.2026
SPONSORED
X-Sense Smoke and Carbon Monoxide Alarm, 10-Year Battery, SC07,1 Pack | Smoke Alarm for Home with LCD Display, Compliant with EN 14604 and EN 50291 Standards
X-Sense
30% off
free shipping
To the product (2 offers)
Offer ends in:
00Hour
09minutes
34seconds
Show on Amazon
SPONSORED
X-Sense Carbon Monoxide Alarm with LCD Display, 10-Year Product Life, CO03B | Replaceable Battery-Operated CO Alarm Detector with Digital Display
X-Sense
free shipping
To the product (2 offers)
Show on Amazon
SPONSORED
X-Sense Carbon Monoxide Detector, 10-Year Life, EN 50291 Standard, CO03D | Replaceable Battery Operated CO Alarm Detector with Digital Display
X-Sense
free shipping
To the product (2 offers)
Show on Amazon
SPONSORED
X-Sense Wi-Fi Carbon Monoxide Detector with APP Functions, XC04-WX, 1-Pack | Real-Time Push Notifications via X-Sense Home Security App, Replaceable Battery, Free-Standing Design
X-Sense
free shipping
To the product (2 offers)
Show on Amazon
SPONSORED
X-Sense Wi-Fi Carbon Monoxide Alarm with App Functions, XC0C-iR, 1 Pack
X-Sense
free shipping
To the product (1 offer)
Show on Amazon
1
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
SwitchBot
31% off
free shipping
To the product (1 offer)
9,9
Offer ends in:
02Days
23hours
45minutes
26seconds
Show on Amazon
2
Kidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home
Kidde
free shipping
To the product (8 offers)
9,8
Show on Amazon
3
XINDUM Carbon Monoxide Detector 10-Year Battery LCD Display CE Black 1Pack | EN50291 certified, Electrochemical sensor, 85dB alarm, mount wall/Stand, Portable Carbon Monoxide Alarm for home , Standalone
XINDUM
28% off
free shipping
To the product (2 offers)
9,7
Offer ends in:
00Hour
09minutes
34seconds
Show on Amazon
4
FireAngel FA6813 Portable Carbon Monoxide Detector/Alarm, 10 Year CO Alarm | 1-Pack, Battery Powered Carbon Monoxide Alarm for Home & Travel, CO Alarm Detector Monitor for Caravans, Campervans & Cars
FireAngel
free shipping
To the product (12 offers)
9,5
Show on Amazon
5
X-Sense Carbon Monoxide Detector, 10 Year Sensor Life, XC0C-SR, 1 Pack | CO Alarm with Replaceable Battery, Comforms to EN 50291 Standard, Digital Display, CO Peak Value Memory
X-Sense
free shipping
To the product (2 offers)
9,5
Show on Amazon
6
Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with Test/Silence Button,Carbon-Monoxide-Detector Comforms to EN 50291 Standard
WISUALARM
free shipping
To the product (4 offers)
9,4
Show on Amazon
7
Temtop CO2 Monitor Indoor Air Quality Monitor Portable Carbon Dioxide Detector CO2 Temperature Humidity Meter for Home Office School
Temtop
free shipping
To the product (1 offer)
9,4
Show on Amazon
8
Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector with LED Display (PPM Value Visible at All Times) and 85 dB Audible and Visual Alarm.
EiBEST
free shipping
To the product (1 offer)
9,4
Show on Amazon
9
Safeliveo Carbon Monoxide Detector with Replaceable Battery, White, 1Pack | EN50291 certified, CO Alarm with Digital Display - 10 Years Sensor Life, Portable for home & travel with CO Peak Value Memory
Safeliveo
free shipping
To the product (1 offer)
9,4
Show on Amazon
10
Heiman Carbon Monoxide Detector, EN 50291 Certified, 10-Year Life CO Alarm Detector with Digital Display, 5-Year Replaceable AA Battery Included
HEIMAN
free shipping
To the product (2 offers)
9,3
Show on Amazon
You might also be interested in these carbon dioxide detectors.
Carbon Dioxide Detector, 5-in-1 Air Quality Monitor Detector Indoor | Digital TVOC HCHO Monitor Temp Humidity Tester Backlight Display Indoor CO2 Monitor Detector for Home Office Gym Black
Easy to Use: CO2 air quality detector sensor module is highly accurate, stable and resistant to interference. The concentration of carbon dioxide can be displayed accurately.
£ 16.99
free shipping
To the product (1 offer)
INKBIRDPLUS Portable CO2 Detector, Air Quality Monitor with LCD Display | Rechargeable Battery, CO2 Monitor with Indicator Light, Alarm, Automatic Calibration, for Home, Office, Travel Camping
High Precision Sensor: This CO2 detector features an advanced NDIR sensor, using infrared technology for precise CO2 measurement.
£ 33.99
free shipping
To the product (1 offer)
Firehawk CO7B-10Y Carbon Monoxide Alarm Detector with 10 Year Battery
Sealed 10 year Lithium battery End of life indicator LED indicators Versatile mounting system Compact & stylish design
£ 19.42
free shipping
To the product (2 offers)
Mini Carbon Monoxide Detector, Battery Powered CO monoxide Alarm with LCD Digital Display for Home and Car Safety, CO Monitor Conforms to EN 50291 Standad (1pcs)
Accurate Detection: Our carbon monoxide alarm utilizes an advanced electrochemical sensitivity sensor, to accurately and quickly detect carbon monoxide gas leaks, effectively protecting you against potential hazards while minimizing false alarms.
£ 11.99
free shipping
To the product (1 offer)
Carbon Monoxide Detector – 10-Year Sealed Battery CO Alarm with LCD Display, Carbon Monoxide Alarms for Home, EN 50291 Certified – Alertlink VC22R
Certified Accuracy & Loud Alert – Complies with EN 50291 and UKCA standards, this reliable carbon monoxide alarm accurately monitors CO levels in ambient air.
£ 18.04
free shipping
To the product (1 offer)
focombance PA-008
Usage Steps: After fully charged, it needs to be left for 1 hour before use. Turn on the product and place it in a ventilated environment for 20-30 minutes, then place it in the environment that needs to be tested. If the CO2 data does not decrease to around 400PPM in a ventilated environment, please double-click the power button and let it sit for another 20 minutes before use.
£ 12.53
free shipping
To the product (1 offer)
Sicomne CO2 Monitor Detector, 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity SensMonitor LCD Display Home Office Gym Car Multi
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
£ 15.68
free shipping
To the product (1 offer)
LSENLTY Carbon Dioxide Detector Plug in Wall, 3 in 1 CO2 Meter(Temp, Humidity and CO2 Value), High Accuracy Carbon Dioxide Monitor with Alarm Function and Manual Calibration for Home Office RV
How to Rotate the Screen: When you receive the product and plug it into the socket, if the display screen is upside down, you can long press the "speaker" button to invert the screen 180°. CO2 Detector Wall Plug: This plug-in carbon dioxide detector is plug-and-play, so you won't have to worry about standby time.
£ 39.99
free shipping
To the product (1 offer)
UltraFire UBCO1 Battery Powered Travel Carbon Monoxide Alarm and Detector | For Homes, Caravans, Boats | Replaceable AAA Batteries and 10 Year Warranty | Certified to BS EN 50291-1 and 50291-2
PERFECT FOR TRAVEL: Stay safe whether you're at home or on the go with the UBCO1 Carbon Monoxide Alarm; Kitemarked to BS EN 50291-1 and 50291-2 making it suitable for use in the home, caravans and boats, and when camping or travelling
£ 15.95
free shipping
To the product (2 offers)
Carbon Monoxide Detectors Battery Powered, AGSMXSYG Carbon Monoxide Alarm with Digital Display, CO Detector Alarms Monitor Battery Operated for Home,RV & Kitchen
High-precision Electrochemical Sensors: imported sensors, high sensitivity, high reliability, real-time monitoring of carbon monoxide gas leakage in the environment.
£ 10.97
free shipping
To the product (1 offer)
13% off
BLACK+DECKER - Carbon Monoxide Alarm and Detector with 10 Year Battery | 10 Year Battery Included, CO Alarm with Quality Sensor. Easy-Install Carbon Monoxide Detector, Portable. White, Test Button
CARBON MONOXIDE ALARMS FOR HOME: High quality electrochemical sensor detects dangerous levels of carbon monoxide (co), which alerts you with 4 loud 85db(a) (at 3 metres) chirps and a flashing red led light
£ 15.99
free shipping
To the product (1 offer)
HOMELYLIFE Carbon Monoxide Detector, Battery Operated Carbon Monoxide Alarm | LCD Digital Display, EN50291 Standard, Light and 85dB Sound Alarm, CO Alarms Monitor for Home Safety, AA Battery NOT Included
[Safe & Reliable] HOMELYLIFE carbon monoxide alarm conforms to the latest EN 50291:2018 standard, uses an electrochemical high sensitivity sensor with a lifetime of up to 5 years, can detect carbon monoxide gas leaks accurately and quickly, protecting you from hazards while minimising false alarms [Light and Sound Alarm] Our CO alarm will monitor the level of carbon monoxide in the air in real time.
£ 9.99
free shipping
To the product (1 offer)