10 Best Carbon Monoxide Detectors of February 2020

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Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup

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
First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (based on a first alert brand trust survey in february 2018)
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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First Alert Plug-In Carbon Monoxide Detector, CO600 Review and Comparison

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9.5

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Combination Smoke and Carbon Monoxide Detector with Display,Battery Operated Smoke CO Alarm Detector

Test button functions – tests the unit for proper operation and resets the carbon monoxide alarm
Ten years after the initial power up, this alarm will “beep” two times every 30 seconds to indicate that it is time to replace the alarm.
Power source: 120vac. temperature range-40˚f (4.4˚c) to 100˚f (37.8˚c). humidity range-5%-95% relative humidity (rh)
Peak level button – displays the peak co level recorded by the alarm since it was last reset or unplugged
Led operation – blinking dot in lower right corner of display denotes normal operation
Note: this co alarm is not battery operated. however, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage.

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Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm Review and Comparison

BQQZHZ

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9.3

Carbon monoxide detector alarm using high accurate electrochemical sensor, alerts you to carbon monoxide danger.
Smoke co detector operated unit installs quickly and easily without an electrician at home or bedroom.
Combination smoke detector and carbon monoxide detector can detect the threat of these two gases.
Photoelectric sensor detects smoke, smoke detector while minimizing false alarms.
Lcd display concentration ppm, real-time monitoring to protect your safety

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First Alert Security; System Carbon Monoxide Plug-in Alarm, Black (CO615)

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9.0

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Kidde KN-COB-B-LPM Carbon Monoxide Alarm

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 digital display, 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
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 Security; System Carbon Monoxide Plug-in Alarm Review and Comparison

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8.7

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

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

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

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#EasyToInstall

8.3

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$31.40

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Used

$21.00

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

Battery life

9.0
Easy to install

9.5
Instruction quality

8.5
Noise level

9.5
Value for money

9.0

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Kidde Battery-Operated Carbon Monoxide Alarm with Digital Dis

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8.0

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Smoke and Carbon Monoxide Detector Combo, with Sound Warning and Number Display Battery

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

ARIKON

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#BatteryLife

7.8

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

Battery life

10.0
Brightness

10.0
Easy to install

9.5
Easy to use

8.5
Value for money

9.0

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

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7.4

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$24.59

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$22.97

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Battery life

9.5
Easy to install

9.5
Noise level

9.5
Value for money

9.0

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

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7.0

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