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10 Best Carbon Monoxide Detectors

Last Updated October 2019

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First Alert

First Alert Plug-In Carbon Monoxide Detector, CO600

9.9

Superb!

First Alert Plug-In Carbon Monoxide Detector, CO600 Review and Comparison

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Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
To ensure complete protection make sure to place one on each level of your home and in each bedroom
All first alert co alarms are rigorously tested to meet ul standards
Uses electrochemical carbon monoxide sensor the most accurate technology available
Keep your family safe with this easy to use plug in carbon monoxide alarm; it works with any standard outlet
A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels

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Carbon Monoxide Detector 3 Pack CO Alarm Detector Battery Operated with LCD Digital

9.5

Superb!

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Product Highlights

【alarm warning】when a dangerous level of carbon monoxide is detected the red led will flashes and a loud alarm pattern will sound--loud 85 decibel alarm with led flash.
【easy installation & widely used】coming with mounting accessories, just drill holes in appropriate positions, and done; used for bedroom, kitchen, living room and any other area with a risk of fire danger can be installed a smoke detector and co alarm.
【high sensitive & quick responsive】build-in carbon monoxide detector chip and the electrochemical sensor, enough to detect odorless invisible and deadly carbon monoxide in the air, quick reaction to save your life in the first time when fire hazard occurs.
【alarm standard】50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. note: when you test the detector, please do not use gas blow the hole directly.
【energy saving】3 * 1.5v aa battery powered co detector (not included), low current consumption, ultra-long standy time. 12 months worry-free product guarantee, please contact seller first once you have any questions.

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First Alert

First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated

9.3

Superb!

First Alert SCO5CN Combination Smoke and Carbon Monoxide Review and Comparison

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scoring

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BRG Scoring Index

Our Scoring considers products features, online popularity, consumers reviews, brand reputation, prices and more

Battery life

9.0
Easy to install

9.5
Motion detection

6.0
Noise level

9.5
Safety Features

8.5
Value for money

9.0

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Best Value

Kidde

Kidde KN-COB-B-LPM Carbon Monoxide Alarm

9.0

Superb!

Kidde KN-COB-B-LPM Carbon Monoxide Alarm Review and Comparison

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Low battery hush
Loud 85 decibel alarm
2 aa battery backup
Event memory
Low battery signal

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7.9 Reviews

How we Score

9.5 features quality

8.9 popularity

8.4 brand reputation

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First Alert

First Alert CO410 Battery Operated Carbon Monoxide Detector Alarm with Digital Display

8.7

Great

First Alert CO410 Battery Operated Carbon Monoxide Detector Review and Comparison

More Info

Features an advanced electrochemical carbon monoxide sensor; peak level feature displays the highest concentration of carbon monoxide measured
To ensure complete protection make sure to place one on each level of your home and in each bedroom
All first alert co alarms are rigorously tested to meet ul standards
Keep your family safe with this easy to use digital display, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of co levels, even if there's a power failure
A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels
7 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for safety

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First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery Backup

8.3

Great

First Alert CO605 Carbon Monoxide Plug-In Alarm Review and Comparison

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Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
To ensure complete protection make sure to place one on each level of your home and in each bedroom
All first alert co alarms are rigorously tested to meet ul standards. item length is 3.4 inches , item width is 1.38 inches and item height is 5 inches
Keep your family safe with this easy to use plug in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of carbon monoxide levels, even if there's a power failure
Simple to use, with a single test/silence button; a loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels. low battery signal mute, quiets low battery signal for up to 8 hours
7 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for safety

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Kidde Battery-Operated Carbon Monoxide Alarm with Digital Dis

8.0

Great

Kidde Battery-Operated Carbon Monoxide Alarm with Digital Dis Review and Comparison

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Battery operated - provides best protection during power outages. battery safeguard makes it difficult to close the cover without batteries in the unit. low battery signal alerts user when the batteries need to be replaced. slide-out battery door cover gives immediate access to batteries
Led's - green led for normal operation, red led for alarm. temperature range 40˚f (4.4˚c) to 100˚f (37.8˚c).sensor: electrochemical
Digital display - displays the level of carbon monoxide the unit is sensing. shows co level in ppm (parts per million). updates digital reading every 15 seconds allowing you to see if levels change. peak level memory displays the highest co concentration measured since the last reset
Test/reset button - tests unit's electronic circuitry & horn and resets the unit during alarm. tests co alarm circuit operation and allows you to immediately silence the alarm
Provides peace of mind against the silent killer and a digital display

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Kidde KNCOB-DP2 Tamper Resistant Plug-In Carbon Monoxide Alarm with Battery Backup

7.8

Very Good

Kidde KNCOB-DP2 Tamper Resistant Plug-In Carbon Monoxide Alarm Review and Comparison

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Product is highly durable and very easy to use
This product adds a great value
This product is manufactured in china

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Kidde Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA

7.4

Very Good

Kidde Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Review and Comparison

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scoring

info & deals

BRG Scoring Index

Our Scoring considers products features, online popularity, consumers reviews, brand reputation, prices and more

Battery life

9.5
Easy to install

9.5
Safety Features

9.5
Value for money

9.0

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First Alert

FIRST ALERT CO400 Battery-powered Carbon Monoxide Alarm (no Digital Display)

7.0

Very Good

FIRST ALERT CO400 Battery-powered Carbon Monoxide Alarm Review and Comparison

More Info

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
To ensure complete protection make sure to place one on each level of your home and in each bedroom
All first alert co alarms are rigorously tested to meet ul standards
Keep your family safe with this easy to use, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of co levels, even if there's a power failure
A loud 85 decibel alarm sounds when co levels reach dangerous levels
5 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for safety

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