Best Co Monitors In April 2024

Here, we’ll review the top 10 Best Co Monitors on the market today. We’ll provide an overview of the pros and cons of each product. Read on for our selection of Best Co Monitors.

To help you in your search, we have completed this list of the Best Co Monitors.

Top Rated Best Co Monitors Of 2024

Rank	Product Name	Score
1	Kidde Carbon Monoxide Detector Alarm |Battery Operated | Model # KN-COB-LP2 9CO5-LP2 Buy Now	9.7 Buy Now
2	First Alert CO400 Carbon Monoxide Detector, White, Pack of 1 Buy Now	9.5 Buy Now
3	Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 Buy Now	9.1 Buy Now
4	First Alert CO605 Plug-In Battery Backup CO Alarm, 1 pack, White Buy Now	8.8 Buy Now
5	Kidde Carbon Monoxide Alarm Detector | Digital Display | Battery Operated | Model Buy Now	8.6 Buy Now
6	Kidde Carbon Monoxide Detector Alarm | AC Powered with Battery Back-up | Model Buy Now	8.3 Buy Now
7	Kidde Ultra-Sensitive Battery Powered Carbon Monoxide Monitor | Model KN-COU-B Buy Now	8.1 Buy Now
8	First Alert Plug-In Carbon Monoxide Detector, CO600 Buy Now	7.8 Buy Now
9	First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup Buy Now	7.5 Buy Now
10	X-Sense 10-Year Battery (Not Hardwired) Carbon Monoxide Detector Alarm, CO Alarm Detector Buy Now	7.2 Buy Now

1. Kidde Carbon Monoxide Detector Alarm |Battery Operated | Model # KN-COB-LP2 9CO5-LP2

1

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9.7/10 our score

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

2. First Alert CO400 Carbon Monoxide Detector, White, Pack of 1

2

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9.5/10 our score

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• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
• 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
• 5 year limited warranty, equipped with end of life signal chirp, so you know when its time to replace the unit for safety
• All first alert co alarms are rigorously tested to meet ul standards
• A loud 85 decibel alarm sounds when co levels reach dangerous levels

3. Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

3

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9.1/10 our score

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• Peak level button displays the peak co level recorded by the alarm since it was last reset or unplugged
• 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.
• Test button functions tests the unit for proper operation and resets the carbon monoxide alarm
• Led operation blinking dot in lower right corner of display denotes normal operation
• Power source: 120vac. temperature range-40f (4.4c) to 100f (37.8c). humidity range-5%-95% relative humidity (rh)
• 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.

4. First Alert CO605 Plug-In Battery Backup CO Alarm, 1 pack, White

4

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8.8/10 our score

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• 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 upto 8 hours
• 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
• 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
• 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
• 7 year limited warranty, equipped with end of life signal chirp, so you know when its time to replace the unit for safety

5. Kidde Carbon Monoxide Alarm Detector | Digital Display | Battery Operated | Model

5

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8.6/10 our score

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• Led's - green led for normal operation, red led for alarm. temperature range 40f (4.4c) to 100f (37.8c).sensor: electrochemical
• Provides peace of mind against the silent killer and a digital display
• 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 units electronic circuitry & horn and resets the unit during alarm. tests co alarm circuit operation and allows you to immediately silence the alarm
• 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

6. Kidde Carbon Monoxide Detector Alarm | AC Powered with Battery Back-up | Model

6

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8.3/10 our score

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• Tamper resist feature can be activated to cause unit to go into alarm if it has been unplugged or has come loose from the outlet
• Provides peace of mind against the silent killer, temperature range: 40f (4.4c) to 100f (37.8c)
• Two leds : red - illuminates when in alarm mode. green ac power is present, normal operation
• Test/reset button : tests co alarm circuit operation and allows you to immediately silence the alarm
• End of life alarm : alerts user to replace co alarm after 10-years of operation

7. Kidde Ultra-Sensitive Battery Powered Carbon Monoxide Monitor | Model KN-COU-B

7

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8.1/10 our score

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• Provides warning of low levels of carbon monoxide
• Ul 2075 listed
• Battery operated
• Digital display shows co levels as low as 10 ppm
• Provides fast audible and visual notification

8. First Alert Plug-In Carbon Monoxide Detector, CO600

8

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7.8/10 our score

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

9. First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup

9

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7.5/10 our score

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• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• 7 year limited warranty, equipped with end of life signal chirp, so you know when its time to replace the unit for safety
• 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
• Features an advanced electrochemical carbon monoxide sensor, peak level feature displays the highest concentration of carbon monoxide measured
• A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels

10. X-Sense 10-Year Battery (Not Hardwired) Carbon Monoxide Detector Alarm, CO Alarm Detector

10

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7.2/10 our score

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• Etl listed: approved by the etl and in conformity with ul 2034, we provide a 60-day money-back guarantee and 5-year warranty for all x-sense carbon monoxide detectors and smoke alarms, if you have any questions, please feel free to contact us, and we will get back to you within 24 hours
• Large lcd display: clearly displays the real-time co levels in ppm (parts per million) taken from the surrounding air, with an updated measurement taken every 10 seconds, comes equipped with a peak level memory, showing you the highest co concentration measured since the last reset
• Led indicator: clearly informs you of the working status of the alarm with its 3-color flashing led indicator (green led indicates normal operation, red led indicates the alarm status, and yellow led indicates a fault), ensuring the safety and security of your home 24/7
• Accurate, reliable & highly sensitive: built with an advanced electrochemical sensor and intelligent chipset, the x-sense carbon monoxide alarm quickly and accurately detects dangerous carbon monoxide (co) leaks in the surrounding air, designed to give you the earliest possible warning of co threat with a loud 85 db alarm and a rapid flashing led indicator (the led indi...
• 10-year battery & premium material: comes with a 10-year sealed lithium battery for uninterrupted operation, housed in a frame made from premium pc plastic material that is both fire-retardant and highly durable, provides the ultimate protection for you and your familys safety