Best carbon monoxide detector 2019

Which is the best carbon monoxide detector in the UK?

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Review of the 10 best carbon monoxide detectors to buy in the UK

The top 10 list of the best carbon monoxide detectors compares various manufacturers and prices

Review10Best compares the best carbon monoxide detectors in the UK and nominates the one from Life Saver as the best carbon monoxide detector. In our carbon monoxide detectors review, you can read more about our experiences we made with the different carbon monoxide detectors and follow our recommendation on which carbon monoxide detector to buy in the UK in 2019. With the carbon monoxide detector comparison, you can be sure to buy the best carbon monoxide detector on the market and save a lot of money if you buy it online.


Table of contents

  1. Read the ultimate carbon monoxide detector buying guide
  2. View our carbon monoxide detector picks and see how they rank in the top list
  3. Watch recommended videos about carbon monoxide detectors

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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:

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 our top picks?

Top 10 list of carbon monoxide detectors in the UK (February 2019)

Our top 10 list shows how manufacturers and their carbon monoxide detectors rank and which carbon monoxide detector is the best.
Top choicei TOP 1
Image of Life Saver 5CO carbon monoxide detector
Life Saver Carbon Monoxide Alarmi
  • Multi-function green and red LED's
  • Battery operation
  • Test/reset button
starting from £12.74i
(0 reviews)
Buy nowi
Value deali TOP 2
Image of Sprue Safety Products CO-9D carbon monoxide detector
Fireangel CO-9D Digital Sealed for Life Carbon Monoxide Alarmi
  • Temperature facility designed to provide a room temperature indication only (nominally…
  • Large multi-function digital screen and room thermometer.
  • Large Test & Silence button
starting from £16.90i
(1585 reviews)
Buy nowi
TOP 3
Image of Sprue Safety Products CO-9B carbon monoxide detector
Fireangel CO-9B Carbon Monoxide, White, 1 Packi
  • Visual LEDs for power and alarm
  • Loud 85dB alarm at 1 metre
  • Large Test & Silence button
starting from £11.34i
(1363 reviews)
Buy nowi
TOP 4
Image of Kidde 7DCOC carbon monoxide detector
Kidde 7DCO Carbon Monoxide Alarm (replaceable batteries) Digital Display 10 Year Sensor and Warrantyi
  • It has replaceable batteries
  • End of Life Alarm alerts user to replace the alarm after 10-years protection
  • Digital Display continuously displays CO levels detected
starting from £16.75i
(2389 reviews)
Buy nowi
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TOP 5
Image of Kidde KID7COC carbon monoxide detector
Kidde 7COC Carbon Monoxide Alarm (replaceable batteries) 10 Year Sensor and Warrantyi
  • It has replaceable batteries
  • Test/Reset button
  • End-of-life warning
starting from £12.50i
(0 reviews)
Buy nowi
TOP 6
Image of Sprue Safety Products CO-9X carbon monoxide detector
Fireangel CO-9X Carbon Monoxide Alarmi
  • It has replaceable batteries
  • Test/Reset button
  • End-of-life warning
starting from £14.10i
(0 reviews)
Buy nowi
TOP 7
Image of Honeywell 1901504901 carbon monoxide detector
Honeywell 1901504901 Battery Operated Carbon Monoxide Detector, Whitei
  • Tamper proof with sealed in batteries included
  • High reliability and easy to Install
  • X Series
starting from £17.55i
(252 reviews)
Buy nowi
TOP 8
Image of AVSLA 350.135 carbon monoxide detector
Carbon Monoxide Alarmi
  • Tested in an approved laboratory in the UK to ensure full compliance to EN50291-…
  • LCD display shows the particle sampling count, ambient temperature and battery l…
  • Memory function for CO peak count in the last 24 hours
starting from £14.88i
(0 reviews)
Buy nowi
TOP 9
Image of Kidde 10SCO carbon monoxide detector
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notificationi
  • Peak level memory provides notification (voice and LED) when dangerous
  • even after the event
  • Voice Alarm feature tells you which danger has been detected
starting from £18.00i
(0 reviews)
Buy nowi
TOP 10
Image of Kidde 5DCO carbon monoxide detector
2 x Kidde 5DCO Battery Operated Carbon Monoxide Alarm with Digital Displayi
  • 2 x Kidde 5DCO Battery Operated Carbon Monoxide Alarm with Digital Display
starting from £31.99i
(34 reviews)
Buy nowi

i Price incl. VAT., exkl. shipping. Price may vary. Last Update. 2019/02/17 21:40. o'clock. Affiliate link. We participate in the Amazon Associates Program, an affiliate advertising program that enables us to earn commissions by linking to Amazon. There are no additional costs for you. For the top 10 list 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.


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