Best carbon monoxide detector 2023

Which is the best carbon monoxide detector in the UK?

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The 10 best carbon monoxide detectors to buy in the UK

The top 10 list of the best carbon monoxide detectors lists various brands and prices

Review10Best compares the best carbon monoxide detectors in the UK and selects the one by Kidde as the best carbon monoxide detector. In a carbon monoxide detector buying guide, you can read more about the features of the different carbon monoxide detectors and see a recommendation on which carbon monoxide detector to buy in the UK in 2023. By considering the top list of carbon monoxide detectors, you can find the best carbon monoxide detectors and save time shopping online.


Table of contents

  1. Read the ultimate carbon monoxide detector buying guide
  2. View the carbon monoxide detector picks and see how they rank in the top list

VIEW THE TOP 10 LIST →


Best carbon monoxide detectors: A complete buying guide

All you need to know before buying a great carbon monoxide detector

Picture of a carbon monoxide detector

A good carbon monoxide (CO) detector detects the dangers of carbon monoxide in enclosed spaces, making it an incredibly important device for homes using fuel-burning appliances. However, it’s not always clear what the best CO detector is for your home, and because this is a very important safety device you should always take the time to research what you need.

Check out the buying guide below for how to choose the best carbon monoxide detectors for your home:

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What are carbon monoxide detectors?

As the name suggests, a carbon monoxide detector is a device used to detect the presence of carbon monoxide gas in the air. By detecting carbon monoxide, the system provides a warning to people that they are at risk of carbon monoxide poisoning, which is virtually undetectable to humans. Remember that a CO detector doesn't replace a good smoke detector.

Why should you buy a good carbon monoxide detector?

If you use a fuel-burning appliance such as gas heating in your home, then it’s essential that you have a carbon monoxide detector. Carbon monoxide is known as the silent killer, as the gas is highly poisonous to humans but impossible to detect through smell or taste, making it highly dangerous. So, if you don’t have a good carbon monoxide detector but there is a chance that carbon monoxide gas leaks from an appliance in your home, you could very well die without ever knowing anything was wrong.

Another picture of a carbon monoxide detector
How to choose the right carbon monoxide detector?

It is incredibly important to choose the best carbon monoxide detector possible for home to eliminate any risks of accidental carbon monoxide poisoning. Be sure to consider the following things to help you choose a good CO detector:

  • Alarm Volume: The best carbon monoxide detectors offer a loud audible alarm at the first detection of carbon monoxide. This is important as carbon monoxide poisoning causes drowsiness and eventually causes you to fall asleep, at which point you are even more at risk of dying, so getting a warning signal as soon as possible is a must. Make sure the alarm is loud and audible from several feet away, especially if buying for an elderly person.
  • Display: Newer carbon monoxide detectors feature digital displays that offer real-time readings and a constant stream of data. Not only that, these displays offer info regarding battery life, peak levels measured, and other helpful data. One setback from digital displays is that they often appear bright when sleeping, so may not be ideal for light sleepers or those easily distracted.
  • Power Source: Battery-operated carbon monoxide detectors are very reliable, but the batteries need to be changed every so often and it's important not to forget this otherwise it becomes useless. Hardwired CO detectors are connected to the mains power so will never stop working unless there is a power outage, although most feature backup batteries should this occur.
What is the best kind of carbon monoxide detector in the UK?

There are several types of good carbon monoxide detectors available, all of which offer their own unique advantages.

  • Digital Display CO Detectors: A great carbon monoxide detector for most homes, it features a digital display that provides real-time data about current and previous CO levels in parts per million. While more expensive, they provide accurate data that offer a peace of mind and plenty of warning.
  • Hardwired CO Detectors: The best carbon monoxide detectors for homes with several rooms, these are hardwired to the power supply and feature backup batteries should there ever be a power outage. This means professional installation is almost always required, but there is no risk of the detector running out of battery.
  • Battery-Operated CO Detectors: A great all-round carbon monoxide detector, battery-operated devices last for several years before the battery needs to be changed. However, if you forget to change the battery then the device doesn’t offer any warning, so it’s always important to remember to change the battery, although this is easy enough as they come with low battery warnings.
  • Patch CO Detectors: A cheap detector that doesn’t offer an audio alarm but rather a visual one, patch carbon monoxide detectors change color if there is any CO detected. While very affordable, the lack of an audio alarm makes it far less effective than other types.
…are you ready for the best picks of 2023?

Top 10 list of carbon monoxide detectors in the UK (January 2023)

The bestseller list compares brands and their carbon monoxide detectors. Which carbon monoxide detector is the best?
Best choice TOP 1
Image of Kidde 5CO carbon monoxide detector
Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life
  • 7 year warranty, 10 year alarm life, Kitemarked and CE Marked
  • Battery operated (2 replaceable AA batteries supplied)
  • Can be wall mounted or free standing - ideal for taking on holiday or when trave…
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Offer TOP 2
Image of YZIF YZIF-C20A carbon monoxide detector
YZIF Carbon Monoxide Detector CO Alarm Detector with Digital Display and Sound Alarm For Home
  • Power Supply: (DC3V) 2AA size batteries.(Not included) Sensor TypeElectrochemical…
  • High Quality CO Alarm, EN 50291 Certified Carbon Monoxide detector equipped with…
  • Alarm Standard: the alert time depend the level of carbon monoxide concentration.…
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TOP 3
Image of Zituso CDR-809COM carbon monoxide detector
Mini Carbon Monoxide Detector,CO Monoxide Alarm Detector with Digital Display and Sound Alarm For Home,Office,Comply with EN50291(Batteries NOT Included)
  • Enery Saving& Great Shopping Experience—Operated by 2 * 1.5V AAA batteries…
  • Easy to Install&Widely Use—Simple to use, with a single test/reset button,…
  • Alarm Standard & Alarm Warning—When the alarm detects that CO concentration…
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TOP 4
Image of Fireangel FA3820 carbon monoxide detector
FireAngel FA3820 10 Year Sealed Battery Alarm Carbon Monoxide, Clear
  • The FA3820 detector holds a CE & UKCA mark and has been designed to conform to…
  • Suitable for homes in England, Scotland and Wales, including rented properties
  • Pressing the large test button in the event of a low battery warning will activate…
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TOP 5
Image of Yezala ATC-EJ019 carbon monoxide detector
Mini Carbon Monoxide Alarm, CO Detector, Carbon Monoxide Detector For Home Safety Battery Powered (Battery not Included), comply with EN50291Standard
  • WARRANTY - If you meet any quality issues with Carbon Monoxide Alarm Detector, just…
  • NOTE: It is not recommended to install it in corners, cabinets and other places where…
  • ACCURATE, RELIABLE & HIGHLY SENSITIVE: Equipped with both photoelectric and electrochemical…
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TOP 6
Image of Yezala CDR-805 carbon monoxide detector
Carbon Monoxide Alarm, CO Detector, Carbon Monoxide Detector For Home Safety Battery Powered (Battery not Included), comply with EN50291Standard
  • WARRANTY - If you meet any quality issues with Carbon Monoxide detector, just contact…
  • Wide Application - This carbon monoxide detector suitable for every places which…
  • Battery Powered: 3*AA batteries powered carbon monoxide detector(please note that…
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TOP 7
Image of Fireangel CO-9D carbon monoxide detector
Fireangel CO-9D Digital Sealed for Life Carbon Monoxide Alarm, White
  • Temperature facility designed to provide a room temperature indication only (nominally…
  • Large multi-function digital screen and room thermometer
  • Loud 85 dB alarm at 1 m
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TOP 8
Image of Zituso CDR-803COM carbon monoxide detector
Carbon Monoxide Alarm CO Alarm Detector with Real-Time CO Digital Reading Display and Sound Alarm For Home,Replaceable Batteries(Battery not Included),Comply with EN50291 Standard
  • Quality service: You have any questions about our Carbon Monoxide Alarm, feel free…
  • Quick and easy installation: The battery-powered unit is easy to install and maintain…
  • LCD Digital Displays concentration PPM: You can use the digital display to see the…
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TOP 9
Image of HEIMAN  carbon monoxide detector
HEIMAN Carbon Monoxide Alarm Detector EN 50291 Certified, CO Alarm Detector, Battery Powered, 10 Year Sensor, 722ES
  • 5-Year Battery Safe Mode: This carbon monoxide alarm is equipped with 2 * 1.5V AA…
  • 85 dB Loud Alarm: Sounder beeps and Red LED flashes when dangerous level CO gas is…
  • Convenient and Easy Installation: Our carbon monoxide alarm is stylish, fully functional,…
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TOP 10
Image of Safelincs DE-SLTJS-1229-923 carbon monoxide detector
Kidde 5DCO 10 Year Life Digital Display Carbon Monoxide Alarm (1)
  • Kitemarked to BS EN 50291-1 (domestic use). CE and UKCA marked.
  • Digital display of CO levels from 30ppm. Detector alarms from 50ppm.
  • Warning "chirp" and digital display message indicates when batteries are…
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Affiliate Disclosure

We participate in the Amazon Associates Program. As an Amazon Associate we earn from qualifying purchases. For the list of the best carbon monoxide detectors, we consider only products that are available on Amazon while the ranking is based on factors such as customer reviews, number of sales and keyword. It is not a carbon monoxide detector test. Last Update: 2023/01/31.