10 Best Carbon Monoxide Detectors Reviews 2020

Best carbon monoxide detectors or CO detector a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide poisoning. We have prepared the list of Top 10 Best Carbon Monoxide Detectors. We hope that our results have helped you and clear the confusion and find the perfect model for you.

We spent many hours to find a best option for you is a Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3, which comes with amazing features you’ve never heard before. It is the Best Carbon Monoxide Detector available in the market today. However, if you don’t want to spend big on Carbon Monoxide Detectors, then you should absolutely go for First Alert CO400 Carbon Monoxide Detector, White, Pack of 1 which comes with all the basic features one could expect in Carbon Monoxide Detector.

To help you in your search, we have completed this list of the Best Carbon Monoxide Detectors.

Top 10 Best Carbon Monoxide Detectors

Product Product Name Score
1 Amazon’s Choice 1 Amazon’s Choice Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 5,439 Reviews
9.7

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Product Highlights

  • Peak Level Button – Displays the peak CO level recorded by the alarm since it was last reset or unplugged
  • 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
  • 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.
  • 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.

2 Amazon’s Choice 2 Amazon’s Choice First Alert CO400 Carbon Monoxide Detector, White, Pack of 1 First Alert CO400 Carbon Monoxide Detector, White, Pack of 1 3,838 Reviews
9.6

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Product Highlights

  • It will 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
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • A loud 85 decibel alarm sounds when CO levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 5 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety

3 Amazon’s Choice 3 Amazon’s Choice Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3 Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3 1,976 Reviews
9.4

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Product Highlights

  • Protects you and your family from two deadly threats: carbon monoxide and explosive gas.
  • Sounder Alarm – The KN-COEG-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem.
  • Digital Display – Displays the level of carbon monoxide the unit is sensing.
  • Peak Level Memory – Recalls the highest CO concentration detected
  • Two alarms in one detects carbon monoxide and explosive gas

4 4 Kidde 21008873 Monoxide Alarm Kidde 21008873 Monoxide Alarm 4,120 Reviews
9.2

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Product Highlights

  • 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
  • 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
  • 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
  • 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
  • Provides peace of mind against the silent killer and a digital display

5 5 Kidde Carbon Monoxide Detector Alarm |Battery Operated | Model # KN-COB-LP2 9CO5-LP2 Kidde Carbon Monoxide Detector Alarm |Battery Operated | Model # KN-COB-LP2 9CO5-LP2 2,056 Reviews
9.0

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Product Highlights

  • 2 AA battery backup
  • Low Battery Hush
  • Event memory
  • Loud 85 decibel alarm
  • Low battery signal

6 6 First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN 5,824 Reviews
8.9

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Product Highlights

  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there’s a power failure
  • Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
  • Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for upto 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; all first alert alarms are rigorously tested to meet UL standards

7 7 First Alert BRK SC9120B Hardwired Smoke Detector and Carbon Monoxide (CO) Detector with Battery Backup First Alert BRK SC9120B Hardwired Smoke Detector and Carbon Monoxide (CO) Detector with Battery Backup 3,550 Reviews
8.8

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Product Highlights

  • Keep safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there’s a power failure
  • Features an electrochemical Carbon Monoxide sensing technology as well as an ionization sensor for smoke detection.
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

8 8 Kidde Carbon Monoxide Detector Alarm | AC Powered with Battery Back-up | Model KN-COB-DP2, White, 6 Kidde Carbon Monoxide Detector Alarm | AC Powered with Battery Back-up | Model KN-COB-DP2, White, 6 1,014 Reviews
8.6

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Product Highlights

  • 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
  • Two LED’s : 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
  • Provides peace of mind against the silent killer; Temperature Range: 40˚F (4.4˚C) to 100˚F (37.8˚C)

9 9 First Alert Carbon Monoxide Detector Alarm|No Outlet Required with Digital Display and Peak Memory, Battery Operated, CO410 First Alert Carbon Monoxide Detector Alarm|No Outlet Required with Digital Display and Peak Memory, Battery Operated, CO410 410 Reviews
8.5

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Product Highlights

  • Your family will 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
  • 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
  • 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

10 10 DSC Wireless Carbon Monoxide Detector WS4913 DSC Wireless Carbon Monoxide Detector WS4913 10 Reviews
8.2

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Product Highlights

  • Slim line design, Built in 85dB alarm at 10 ft (3 m), Malfunction supervision
  • Low sensitivity supervision, Electrochemical sensing technology, Transmits RF status, low battery and tamper condition
  • Hush feature, Wall tamper, 4 to 5 year battery life, End of Life (EOL) indicator (5 year)
  • Onboard LEDs indicate: Red: Alarm, Yellow: Trouble, Green: Power, Amber: Warm Up
  • Low battery supervision, Compatible with Impassa and PowerSeries v4.5 and higher, Reliable 433 MHz and 868 MHz technology

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Tags: Carbon Monoxide Detector Reviews, Best Carbon Monoxide and Smoke Detector, Best Carbon Monoxide Meter

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