10 Best Carbon Monoxide Detectors
for March 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.6
SCORE
X-Sense 10-Year Battery (Not Hardwired) Combination Smoke & Carbon Monoxide Alarm Detector with LCD Display, Auto Check & Silence Button, SC07

X-Sense 10-Year Battery (Not Hardwired) Combination Smoke & Carbon Monoxide Alarm Detector with LCD Display

Auto Check & Silence Button, SC07

by X-Sense
What We like

2-IN-1 PROTECTION: Equipped with both photoelectric and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit

more infoarrow_drop_down

Product Features

  • ACCURATE, RELIABLE & HIGHLY SENSITIVE: The X-Sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360 ring of air intakes ensures complete detection with no blind spots
  • LARGE LCD DISPLAY: Clearly displays battery level and the real-time CO levels in PPM (parts per million) taken from the surrounding air, with an updated measurement taken every 10 seconds
  • BUILT-IN 10-YEAR BATTERY: Provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries or wonder if your alarm is still functioning
  • 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

Built-in 10-year battery: provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries or wonder if your alarm is still functioning 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: the X-Sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360 ring of air intakes ensures complete detection with no blind spots Large lcd display: clearly displays battery level and the real-time co levels in ppm (parts per million) taken from the surrounding air, with an updated measurement taken every 10 seconds

2
9.6
SCORE
First Alert Plug-In Carbon Monoxide Detector, CO600

First Alert Plug-In Carbon Monoxide Detector

CO600

by First Alert
What We like

Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room

more infoarrow_drop_down

Product Features

  • 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)
  • 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
  • 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 Uses electrochemical carbon monoxide sensor the most accurate technology available 120 volt ac plug in carbon monoxide alarm Keep your family safe with this easy to use plug in carbon monoxide alarm; it works with any standard outlet 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) A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels

3
9.3
SCORE
Carbon Monoxide Alarm Detector,with Digital LCD Display and Voice Warning - Battery powered

ALERT PRO Carbon Monoxide Alarm Detector,with Digital LCD Display and Voice Warning

Battery powered

by ALERT PRO
What We like

Unit Comes With with Batteries

more infoarrow_drop_down

Product Features

  • SUPERIOR ALARM PERFORMANCE: Proven performance for sensitively detecting dangerous Carbon Monoxide (CO) leaks; powerful 85 dB alarm tone will sound through your home and instantly alert those in danger

Superior alarm performance: proven performance for sensitively detecting dangerous carbon monoxide (co) leaks; powerful 85 db alarm tone will sound through your home and instantly alert those in danger

4
9
SCORE
2 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, with Display, Auto-Check, White

JNHCD 2 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated

with Display, Auto-Check,  White

by JNHCD
What We like

SCIENTIFLC APPEARANCE DESIGN: A full 360 Ring of Air Intakes Ensures Complete Detection with No Blind Spots, Ensure Accuracy and High Sensitivity

more infoarrow_drop_down

Product Features

  • DUAL HIGH STABILITY SENSORS:Upgraded Photoelectric and Electrochemical Sensors Significantly Increase the Sensitivity of the Alarm for a Faster Response Time While Minimizing False Alarms
  • LCD DISPLAY: Clearly Displays Real-Time Carbon Monoxide (CO) Concentration in the Surrounding Air, Real-Time Monitor Protects Your Safety
  • 2-IN-1 PROTECTION: One Alarm to Protect Against 2 Deadly Threats, Including Smoke and Carbon Monoxide; Instantly Notify You When Dangerous Smoke or CO Concentration Is Detected While Minimizing False Alarms

Lcd display: clearly displays real-time carbon monoxide (co) concentration in the surrounding air, real-time monitor protects your safety 2-in-1 protection: one alarm to protect against 2 deadly threats, including smoke and carbon monoxide; instantly notify you when dangerous smoke or co concentration is detected while minimizing false alarms Dual high stability sensors:upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms

5
8.9
SCORE
Smoke and Carbon Monoxide Detector Combo, with Sound Warning and Number Display Battery Powered

ARIKON Smoke and Carbon Monoxide Detector Combo

with Sound Warning and Number Display Battery Powered

by ARIKON
What We like

The Battery - powered Smoke CO Detector Can be installed Quickly and Easily. You Can Hear the low power alarm When the Power is Close to Run out, and wont Miss the Chance to Change the New Battery.

more infoarrow_drop_down

Product Features

  • Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases.
  • Suitable for all the Place Possible to Produce Carbon Monoxide , Such as your Home Kitchen, Bedroom, Bathroom, Hotel. Also Useful When you are Enjoying the Barbecue, Using Charcoal Warm yourself, or Putting it in your Parking Garage, etc.
  • Carbon Monoxide Detector alarm Using High accurate Electrochemical Sensor, alerts you to Carbon Monoxide Danger. insurance Safety of your life.
  • ared Photoelectric Sensor Detects Smoke, Smoke Detector While Minimizing false alarms.

Suitable for all the place possible to produce carbon monoxide , such as your home kitchen, bedroom, bathroom, hotel. also useful when you are enjoying the barbecue, using charcoal warm yourself, or putting it in your parking garage, etc. Combination smoke detector and carbon monoxide detector can detect the threat of these two gases. Carbon monoxide detector alarm using high accurate electrochemical sensor, alerts you to carbon monoxide danger. insurance safety of your life. Ared photoelectric sensor detects smoke, smoke detector while minimizing false alarms.

6
8.9
SCORE
Coreel Carbon Monoxide Detector Battery Operated, Co Alarm Detector with LCD Display

Coreel Carbon Monoxide Detector Battery Operated

Co Alarm Detector with LCD Display

by SHENZHEN SiKangDa ELECTRONICS CO.,Ltd
What We like

2 Pieces AA Battery - Powered Co Detector. Easy to Install. It Will Mind You Up To Change Batteries With Continuous Beeping Every 30 Seconds When The Power is Close to Run Out. The Low-Level Blink Indicator Shows it's Working.

more infoarrow_drop_down

Product Features

  • Carbon Monoxide Detector Beeping once Detecting CO gas.
  • Apply for All The Place to Produce Carbon Monoxide.
  • Co Alarm Detector Using High Accurate Electrochemical Sensor Alerts you to Carbon Monoxide Danger. Insurance Safety of your Life.

Co alarm detector using high accurate electrochemical sensor alerts you to carbon monoxide danger. insurance safety of your life. Carbon monoxide detector beeping once detecting co gas. Apply for all the place to produce carbon monoxide.

7
8.8
SCORE
SITERWELL Carbon Monoxide Detector, 7-Year Carbon Monoxide Alarm (Battery Include) with Electrochemical Sensor, CO Alarm with Test Button and Silence Function for House, UL Listed, GS811-A, 1 Pack

SITERWELL Carbon Monoxide Detector

7-Year Carbon Monoxide Alarm (Battery Include) with Electrochemical Sensor, CO Alarm with Test Button and Silence Function for House, UL Listed, GS811-A, 1 Pack

by SITERWELL
What We like

TEST&SLIENCE BUTTON: The Test / Silence button allows you to test the alarm weekly to test the unit for proper operation, and easily silence the alarm when false alarms occur.

more infoarrow_drop_down

Product Features

  • LOW BATTERY SIGNAL: Low battery voltage signal and end of life warning ensures the CO detector can work normal. Environment friendly, without smell, radiation or harm. It can keep you and your family safe at any time.
  • ELECTROCHEMICAL TECHNOLOGY: The Carbon monoxide detector cotains electrochemical technology which is CO electrochemical figaro sensor and imported from Japan and has most accurate technology.
  • EASY INSTALLION: The Carbon monoxide detectors can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.

Easy installion: the carbon monoxide detectors can easily install with mounting bracket. no hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included. Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal. environment friendly, without smell, radiation or harm. it can keep you and your family safe at any time. Electrochemical technology: the carbon monoxide detector cotains electrochemical technology which is co electrochemical figaro sensor and imported from japan and has most accurate technology.

8
8.8
SCORE
2 Pack Combination Smoke and Carbon Monoxide Detector 10 Year Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

vitowell 2 Pack Combination Smoke and Carbon Monoxide Detector 10 Year Battery Operated

Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

by vitowell
What We like

A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise,Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore

more infoarrow_drop_down

Product Features

  • 10 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when its time to replace the unit for safety
  • Test/Slience Button: Tests the unit for proper operation and resets the carbon monoxide alarm,Alarm
  • Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds
  • Combo Smoke and Co Detecor: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms

Combo smoke and co detecor: features electrochemical carbon monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms 10 year battery operated: this combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and co levels, even if there's a power failure; an end-of-life signal will let you know when its time to replace the unit for safety Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm,alarm Practical lcd display: clearly indicates real-time carbon monoxide (co) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a co concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the led indicator will flash red 4 times every 5.8 seconds

9
8.8
SCORE
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

by First Alert
What We like

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

more infoarrow_drop_down

Product Features

  • All First Alert CO alarms are rigorously tested to meet UL standards
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • 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
  • 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)

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) 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; peak level feature displays the highest concentration of carbon monoxide measured A loud 85 decibel alarm sounds when carbon monoxide levels reach dangerous levels All First Alert co alarms are rigorously tested to meet ul standards

10
8.5
SCORE
Carbon Monoxide Detector 3 Pack CO Alarm Detector Voice Notification, LCD Digital Display, Battery Operated for House, Bedroom, Living Room, Garage, Hotel, Office (AAA Batteries NOT Included)

SiDell-US Carbon Monoxide Detector 3 Pack CO Alarm Detector Voice Notification

LCD Digital Display, Battery Operated for House, Bedroom, Living Room, Garage, Hotel, Office (AAA Batteries NOT Included)

by HYDONG
What We like

Easy Installation & Widely UsedComing with mounting bracket, screws and anchor plugs, just drill holes in appropriate positions, and done; Used for Each bedroom sleeping area in your home kitchen and living room, and any rooms with an increased risk of fire danger can be installed a smoke detector and carbon monoxide alarm.

more infoarrow_drop_down

Product Features

  • High Sensitive & Quick ResponsiveBuild-in smart Carbon Monoxide Detector Chip and the electrochemical sensor, Enough to detect smoke and odorless, invisible and deadly carbon monoxide in the air, Quick reaction to save your life in the first time when fire hazard occurs.
  • Component AdvantageHuman Voice Notification Prompt, High reliable electrochemical sensor, Corbon monoxide concentration displaying (PPM), Low Current consumption, Ultra-long Standy time, Alarm Memory Function, Low Battery Prompt, Auto Detect Sensor Failure.
  • LCD Digital DisplayCO Detector offers Voice Notification and a digital readout of the CO concentration. Detecting level range: 0-999PPM. Alarm concentration: 30-999PPM. It can display both current reading and a peak reading from memory of the highest level measured over a period of time.

High sensitive & quick responsivebuild-in smart carbon monoxide detector chip and the electrochemical sensor, enough to detect smoke and odorless, invisible and deadly carbon monoxide in the air, quick reaction to save your life in the first time when fire hazard occurs. Lcd digital displayco detector offers voice notification and a digital readout of the co concentration. detecting level range: 0-999ppm. alarm concentration: 30-999ppm. it can display both current reading and a peak reading from memory of the highest level measured over a period of time. Component advantagehuman voice notification prompt, high reliable electrochemical sensor, corbon monoxide concentration displaying (ppm), low current consumption, ultra-long standy time, alarm memory function, low battery prompt, auto detect sensor failure.

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details