Best carbon monoxide detector 2018

Which is the best carbon monoxide detector?

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Review of the 10 best carbon monoxide detectors

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

Review10Best compares the best carbon monoxide detectors and nominates the one from First Alert 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 2018. 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?

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 (September 2018)

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 First Alert FATCO605 carbon monoxide detector
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backupi
  • All First Alert CO alarms are rigorously tested to meet UL standards. Item Length…
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when…
  • To ensure complete protection make sure to place one on each level of your home and…
starting from $18.19i
(0 reviews)
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Value deali TOP 2
Image of Kidde 900-0076 carbon monoxide detector
Nighthawk AC Plug-in Operated Carbon Monoxide Alarm with Digital Display KN-COPP-3i
  • Digital Readout - Displays CO concentration in parts per million (30-900PPM)
  • LED Operation - Blinking dot in lower right corner of display denotes normal o…
  • Test Button Functions - Tests the unit for proper operation and resets the Carbon…
starting from $29.88i
(0 reviews)
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TOP 3
Image of Kidde 21025778 carbon monoxide detector
Kidde KN-COB-B-LPM Carbon Monoxide Alarmi
  • Dimensions: 11.5 X 11.5 X 7.5
  • Made in: United States
  • Safety Products/Fire, Gas & Water Protection
starting from $14.84i
(0 reviews)
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TOP 4
Image of First Alert SCO5CN carbon monoxide detector
First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operatedi
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when…
  • Simple to use, with a single test/silence button; EZ access battery drawer allows…
  • Battery-operated unit installs quickly and easily without an electrician
starting from $29.66i
(0 reviews)
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TOP 5
Image of First Alert CO400 carbon monoxide detector
First Alert CO400 Carbon Monoxide Detector, Battery Operatedi
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • 5-year limited warranty; equipped with end-of-life signal chirp, so you know when…
  • To ensure complete protection make sure to place one on each level of your home and…
starting from $16.93i
(0 reviews)
Buy nowi
TOP 6
Image of Kidde 21008873 carbon monoxide detector
Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPMi
  • Provides peace of mind against the silent killer and a digital display
  • LED's - Green LED for normal operation, Red LED for alarm
  • Test/Reset Button - Tests unit's electronic circuitry & horn and resets the unit…
starting from $18.00i
(2409 reviews)
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TOP 7
Image of FIRST ALERT CO400 carbon monoxide detector
First Alert Carbon Monoxide Alarm 9 V Green Boxedi
  • ------
starting from $13.88i
(0 reviews)
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TOP 8
Image of Kidde 21025759 carbon monoxide detector
Kidde KNCOB-DP2 Tamper Resistant Plug-In Carbon Monoxide Alarm with Battery Backupi
  • Provides peace of mind against the silent killer
  • End of Life Alarm : Alerts user to replace CO alarm after 10-years of operation
  • Test/Reset Button : Tests CO alarm circuit operation and allows you to immediately…
starting from $18.99i
(0 reviews)
Buy nowi
TOP 9
Image of ALERT PLUS AP-6987 carbon monoxide detector
Carbon Monoxide Alarm Detector,with Digital LCD Display and Voice Warning - Battery poweredi
  • 5 year manufacturer warranty
  • Alarm Atanded: The alert time depend the level of carbon monoxide concentration.…
  • Convenient and Energy Saving: Powered by 3 x 1.5V AA batteries, and the carbon monoxide…
starting from $17.88i
(0 reviews)
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TOP 10
Image of Kidde Safety 21026043 carbon monoxide detector
Kidde Battery Operated Combination Smoke & Carbon Monoxide Alarm KN-COSM-BAi
  • Voice Announcements - Hush Feature temporarily silences nuisance alarms with "HUSH…
  • Battery - Provides protection even during power outages when many fire and carbon…
  • Audio alarm: 85 dB at 10 feet. Test/Reset Button and LEDs - Tests alarm circuitry…
starting from $29.99i
(0 reviews)
Buy nowi

i Price incl. VAT., exkl. shipping. Price may vary. Last Update. 2018/09/20 15:21 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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