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49 Best carbon monoxide detectors in 2022 on Reddit [According to 33 Redditors]

With so many carbon monoxide detectors options available in the market, choosing the one that is suitable for your needs can be confusing. Reddit is a place where a lot of people discuss doubts, experiences, and share recommendations. I used AI to analyze around 30 posts on different subreddit posts to make a list of 49 best carbon monoxide detectors in 2022.

Based on what 33 Redditors think, here are the top-rated carbon monoxide detectors in 2022. However, the best one is different for different use-cases. That’s why before purchasing one, make sure that the selection you’ve made solves all your carbon monoxide detectors requirements.

Note: We monetize via commission model, we don’t include sponsored product placements in our best-sellers list. It means that we will only make money if you like our recommendations and purchase them after clicking our affiliate link.

10 Best carbon monoxide detectors From Reputed Brands [According to Redditors]

It doesn’t matter whether you need the best carbon monoxide detectors, mid-range carbon monoxide detectors or the cheapest option. The article intends to help people find the best one suited for your use case. While I’ve listed the 10 best carbon monoxide detectors according to Redditors above, below are a few more options that have been mentioned on many subreddit posts.

1

Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup, CO Alarm with Replacement Alert

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Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup, CO Alarm with Replacement Alert
Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup, CO Alarm with Replacement Alert

Features

  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • UL Certified, 10-year limited warranty
  • Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire
2

FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400

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FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400
FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400

Features

  • Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms; 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
  • All first alert CO alarms are rigorously tested to meet UL standards
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • 5-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
3

First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White

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First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White

Features

  • 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
  • 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
  • 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
  • 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
  • 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
4

Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights

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Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights
Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights

Features

  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm
  • UL Certified, 10-year limited warranty
  • Easy installation & no battery fuss - CO alarm will automatically activate when attached to the mounting bracket
  • Protects during a power failure - CO detector operates on a 10-year, sealed lithium battery
  • CO detector with alert modes & 3 LED lights that pulse for power, CO detection, & low battery
5

Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights

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Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights
Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights

Features

  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm
  • UL Certified, 10-year limited warranty
  • Easy installation & no battery fuss - CO alarm will automatically activate when attached to the mounting bracket
  • Protects during a power failure - CO detector operates on a 10-year, sealed lithium battery
  • CO detector with alert modes & 3 LED lights that pulse for power, CO detection, & low battery
6

Kidde Carbon Monoxide Detector, Battery-Powered Alarm, 6-Pack, Batteries Included

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Kidde Carbon Monoxide Detector, Battery-Powered Alarm, 6-Pack, Batteries Included

Features

  • Operates on 2 AA batteries (included) to provide CO leak protection even during a power outage
  • Portable and easy to install anywhere you need a CO alarm in your home
  • Loud 85-decibel alarm alerts the presence of dangerous carbon monoxide gas and red light illuminates when in alarm mode
  • Simple, portable battery-operated carbon monoxide detectors can be installed on any wall, ceiling, or tabletop
  • UL certified; 10-year limited warranty
  • Convenient reference guide on inside of battery door, so you’ll know what to do if the alarm sounds
7

X-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, Replaceable Battery CO Alarm Detector with Peak Value Memory, XC01-R

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X-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, Replaceable Battery CO Alarm Detector with Peak Value Memory, XC01-R

Features

  • INFORMATIVE LCD: Displays real-time CO levels and remembers dangerous CO levels since the last preset
  • INTUITIVE LED: 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault
  • FLEXIBLE INSTALLATION: Wall-mounted or free-standing; easy to take while traveling
  • HIGH ACCURACY & RELIABHIGH ACCURACY & RELIABILITY: Advanced Figaro electrochemical CO sensor; 5-year replaceable battery
  • INSTANT ALERT: An early warning will be delivered through a loud 85-decibel alarm
8

Siterwell Carbon Monoxide Detector CO Detector Alarm 7-Year Battery Operated with Test and Silence Function Low Battery Warning Figaro Sensor UL2034 Listed, GS811-A, 2 Packs

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Siterwell Carbon Monoxide Detector CO Detector Alarm 7-Year Battery Operated with Test and Silence Function Low Battery Warning Figaro Sensor UL2034 Listed, GS811-A, 2 Packs

Features

  • Led Indicator: CO alarm reports working situation by LED colors. Green LED flashes every 30 seconds, indicates normal operation. Red is alarm state. 85 db alarm sound is loud enough to alert everyone at home
  • Test/Silence Button>>> The TEST/SILENCE button allows you to test the CO alarm and you can easily mute the carbon monoxide alarm for 5 minutes when a false alarm occurs
  • 7 Year Lifetime: CO alarm is powered by 3 AA batteries, which can be used for 7 years. If low power, the red LED flashes with chirps twice every 35 seconds, please replace battery in 7 days
  • Stable Performance: Import Figaro sensor provide higher consistency and stability. Sensor range: 0-10000PPM. Please keep the carbon monoxid detector away from kitchens, garages and furnace rooms to avoid fault alarm
  • EASY INSTALLION: The carbon monoxide detector offers 2 installation method: magnetic fastening kit or mounting bracket. You can choose anyone you like. No hardwired anymore, convenient to install
9

Carbon Monoxide Detector Gas Detection, WJZXTEK Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, UL2034

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Carbon Monoxide Detector Gas Detection, WJZXTEK Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, UL2034

Features

  • 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.
  • ENERGY SAVING: 3 * 1.5V AA battery powered CO detector (not included), Low Current consumption, Ultra-long Standy time. Note: Pls test the detector first, and do not use gas blow the hole directly when you test it.
  • 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.
  • 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.To ensure complete protection make sure to place one on each level of your home and in each bedroom.
10

Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert

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Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert

Features

  • Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
  • UL Certified, 10-year limited warranty
  • Fire and CO detector in 1 unit with alert modes, LED lights, and voice alarm, that states, "Fire. Fire.", "Warning. Carbon Monoxide.", or "Low Battery."
  • Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
  • Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
11

Carbon Monoxide Detector, HECOPRO Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, Comply with UL2034

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Carbon Monoxide Detector, HECOPRO Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, Comply with UL2034

Features

  • SAFETY AND VISIBLE— Protect the Family from Carbon Monoxide, With 3 digits LCD Displayer is Optional, 'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm. If the Co leakage is less than 999p.
  • UNIQUE DESIGN — Portable and easy installation. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • 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 While in the Alarm Mode for the Life-Saving Safety.
  • ENERGY-SAVING — Operated by 3 x 1.5V AA Batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps ever minute to save the battery.
  • WHAT YOU CAN GET — 1. one detector alarms with Mounting bracket, 2. one manual, 3. two screws. We provide10 year limited warranty; Any other problem pls feel free to contact us, we will reply you within 24 hours.
  • 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.
12

AEGISLINK Wireless Interlinked Smoke Detector Carbon Monoxide Detector Combo, Interconnected Smoke and Carbon Monoxide Detector, Replaceable Battery, Over 820 ft Transmission Range, SC-RF200, 6-Pack

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AEGISLINK Wireless Interlinked Smoke Detector Carbon Monoxide Detector Combo, Interconnected Smoke and Carbon Monoxide Detector, Replaceable Battery, Over 820 ft Transmission Range, SC-RF200, 6-Pack

Features

  • Press the test/silence button on one of the interlinked system, and the test of all the detectors will be completed without the need for testing them one by one
  • Build a complete home safety network with up to 24 AEGISLINK wireless interlinked alarms to protect your entire home, even in a multi-story house
  • This combination smoke and carbon monoxide detector comes with a 10-year lifespan to keep you and your family safe and protected for a decade
  • These wireless detectors can be linked together using RF (radio frequency) technology, to ensure that if one detector is triggered by smoke or CO, all devices in the system will sound an alarm
  • This 2-in-1 combination smoke and carbon monoxide alarm with dual sensors delivers accurate smoke and CO detection, allowing you more time to escape
13

Kidde Battery Operated Carbon Monoxide Alarm with Digital Display

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Kidde Battery Operated Carbon Monoxide Alarm with Digital Display

Features

  • Protects during a power failure - CO detector operates on 3-AA batteries
  • UL Certified, 10-year limited warranty
  • Easy to read digital display - allows for easy viewing of carbon monoxide levels
  • CO detector with alert modes & 2 LED lights that pulse for power & CO detection
  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm
14

2 Pack CO Detector, Carbon Monoxide Gas Detection, CO Alarm with LCD Digital Display, Not Included Battery Powered

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2 Pack CO Detector, Carbon Monoxide Gas Detection, CO Alarm with LCD Digital Display, Not Included Battery Powered

Features

  • The normal working state is that the green light flashes every 30 seconds.The blue backlit LCD display does not light up in standby mode (it will Lights up and alarms when carbon monoxide is detected).
  • The normal working state is that the green light flashes every 30 seconds.The blue backlit LCD display does not light up in standby mode (it will Lights up and alarms when carbon monoxide is detected).
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
15

Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display

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Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display

Features

  • Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button
  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage
  • Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf
  • UL Certified, 10-year limited warranty
  • Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
16

FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

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FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

Features

  • Electrochemical CO Sensor is the most accurate technology available
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • Two Silence Features Silence Low Battery Chirp For up to 8 Hours
  • 9V Battery Included
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • End of Life Signal
  • CONVENIENT, end of life chirping signal
17

First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display , White

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First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display , White

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
  • 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)
  • 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
  • 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 it’s time to replace the unit for safety
18

Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0~1000ppm Range, 1PPM Resolution(Battery NOT Included)

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Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0~1000ppm Range, 1PPM Resolution(Battery NOT Included)

Features

  • WIDELY APPLICABLE: The Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion, etc. This type of device is widely used in industry and can be found in locations, such as on oil rigs, to monitor manufacture processes and emerging technologies such as photovoltaic. They may also be used in firefighting.
  • HGIH QUALITY:This CO detector has a large LED backlight screen that allows users to easily cope with harsh environments such as darkness, making it easy to read and free users from time and place constraints. Adopt of ABS engineering plastics with high toughness, wear-resistance and stability, with a low power consumption and high precision.
  • HANDHELD SIZE: The CO gas meter is compact and lightweight, professional designed to fit comfortable in your palm,easy to carry and operate.
  • POWERFUL FUNCTION: Sound alarm works when CO gas concentration reaches the level of the alarm. The concentration of alarm value can be freely set. Auto shut off in 10 minutes without any operation. With a wide measuring range, the ambient temperature can be measured in 2 temperature units (°C and °F).
  • PROFESSIONAL TOOL: The gas detector is a device that detects the presence of CO gases in an area, often as part of a safety system. The professional detector can continuously monitor the CO gas concentration accurately in the surrounding environment. This type of equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down.
19

Car, Vehicle, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |

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Car, Vehicle, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |

Features

  • USES: Exhaust leaks in vehicles (i.e. SUVs, aircraft, school buses, trucks & fleet vehicles that triggers headaches, nausea & driver fatigue.
  • FAST ALARMS: Alarms at >9ppm @ 60 secs, compared to home CO detectors that only alarm >70ppm @ 60-240 minutes. Bright RED LED and buzzer alarms.
  • ️ TRUST: ** 1 year limited warranty ** Arrives factory calibrated ** 100% product test and verification in the USA * Best Japanese CO sensor ** 100% quality guaranteed **
  • EASY USE: Continuous 8-12 month operation with same batteries. Easy one button operation. Small form factor (2oz), 3M stick-on mount.
  • ACCURATE: CO low-level alarm at 9ppm & 25ppm alarms WHO, EPA, ASHRAE, OSHA, NIOSH CO recommended exposure levels.
20

Carbon Monoxide Detector 3 Pack,CO Alarm Detector Sensor Battery Operated with LCD Digital Display for House Kitchen Bedroom Living Room Basement Garage Hotel Office (3AA Batteries NOT Included)

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Carbon Monoxide Detector 3 Pack,CO Alarm Detector Sensor Battery Operated with LCD Digital Display for House Kitchen Bedroom Living Room Basement Garage Hotel Office (3AA Batteries NOT Included)

Features

  • ►High Sensitive & Quick ResponsiveBuild-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.
  • ►Safety And Visible Carbon monoxide alarm detector With 3 digits LCD displayer is optional,'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide.
  • ►Easy Installation And Widely UsedCo detector 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.
  • ►Energy Saving3 * 1.5V AA battery powered CO detector (battery not included), Low Current consumption, Ultra-long Standy time. 12 months worry-free product guarantee, please contact seller first once you have any questions.
  • ►Alarm WarningWhen 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.
21

Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Detector, AC-Plug-In with Battery Backup, Digital Display , White

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Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Detector, AC-Plug-In with Battery Backup, Digital Display , White

Features

  • Low battery warning feature indicates when the battery needs replacement
  • Easy to install CO and explosive gas alarm with three convenient mounting options including AC wall outlet, plugin six foot power cord, or table top
  • Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards
  • Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display
  • Loud pulsing alarm that will sound to alert you to a potential problem
  • Carbon Monoxide (CO) alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. Displays CO concentration
  • Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset
  • Two alarms in one detects carbon monoxide and explosive gas
  • UL Certified, 5-year Limited Warranty
  • Battery backup 9 volt battery included
  • Three convenient mounting options
22

First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display

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First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display

Features

  • 10-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety
  • 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)
  • All first alert CO alarms are rigorously tested to meet UL standards
  • Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured
  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels
  • Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector
  • Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
23

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

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FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

Features

  • Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke 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
  • 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
  • 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)
  • Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
  • Rigorously tested to meet UL standards
  • Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy
24

Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights, Pack of 2

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Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights, Pack of 2

Features

  • CO detector with alert modes & 3 LED lights that pulse for power, CO detection, & low battery
  • UL Certified, 10-year limited warranty
  • Easy installation & no battery fuss - CO alarm will automatically activate when attached to the mounting bracket
  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm
  • Protects during a power failure - CO detector operates on a sealed, lithium battery
25

3 Pack Photoelectric Smoke and Carbon Monoxide Detector, Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated

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3 Pack Photoelectric Smoke and Carbon Monoxide Detector, Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated

Features

  • 10-Year Battery Life: This smoke and carbon monoxide detector provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly. Smoke detector battery operated also saves you from constantly having to change batteries and an end-of-life signal will let you know when it's time to replace the unit for safety even if there's a power failure.
  • 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
  • 2-in-1 Photoelectric Smoke Detection: The smoke detector adopts a highly sensitive photoelectric sensor. Once a smoke/fire hazard is detected, the red LED will flash rapidly and the 85 dB alarm will sound short, fast beeps throughout your home. If needed, you can shut off any unwanted alarm sounds using the silence button.
  • 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
  • Test/Sience Button: Tests the unit for proper operation and resets the carbon monoxide alarm, Alarm
26

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs

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Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs

Features

  • High Quality CO Alarm, Carbon Monoxide detector equipped with high accuracy and reliable long-life electrochemical CO sensor to detect CO gas leak quickly
  • Alarm Standard: the alert time depend the level of carbon monoxide concentration. 50ppm, alert within 90 minutes; 100ppm, alert within 40 minutes; 300ppm, alert within 3 minutes.
  • Power Supply: (DC3V) 2AA size batteries.(Not included) Sensor Type:Electrochemical Gas Detection Type:Carbon Monoxide Material: ABS
  • Easy Installation And Widely Used:Co detector Coming with mounting accessories, just drill holes in appropriate positions which you need Used for Banks,Houses,Homes for bedroom, kitchen, living room and any other area with a risk of fire danger can be installed a CO alarm.
  • Light and Sound Alarm Warning: When a dangerous level of carbon monoxide is detected the red LED will flash and the alarm pattern will sound 85-decibel alarm to protect your family's life and property safety from CO detector.
27

2 Pack CO Carbon Monoxide Detector Audio Alert Alarm No Outlet Required, Battery Operated

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2 Pack CO Carbon Monoxide Detector Audio Alert Alarm No Outlet Required, Battery Operated

Features

  • ►Energy Saving3 * 1.5V AA battery powered CO detector (battery not included), Low Current consumption, Ultra-long Standy time.
  • ►Alarm WarningWhen 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.
  • ►Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety. Rigorously tested to meet UL standards.
  • ►Keep your family safe with this 2 pack detector of easy to use, battery operated carbon monoxide alarms; Battery powered alarms provide continuous monitoring of CO levels
  • ►Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
28

Plug-in Type Carbon Monoxide Alarm, CO Detector Monitor with LED Digital Display and Voice Alert for Home/Kitchen -1 Pack

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Plug-in Type Carbon Monoxide Alarm, CO Detector Monitor with LED Digital Display and Voice Alert for Home/Kitchen -1 Pack

Features

  • LED Digital Display & Human Voice Warning - The CO detector is suitable for 24 hours gas leak monitoring, When a carbon monoxide gas leak occurs, it can quickly identify the gas and emit an alarm of 85 decibels to avoid dangerous accidents and ensure personal and property safety.
  • UL2034 Report & Worry-Free After service - We provide a 60-day money back service. If you have any questions, feel free to contact us and get a full refund for no reason. Complies with UL2034 safety standard.
  • Alarm Standard - 50ppm - Alarm within 60 to 90 minutes; 100ppm - Alarm within 10 to 40 minutes; ≥150ppm - Alarm within 5 seconds.
  • Easy to Install - The detector adapts excellent industrial design and leaves 2nd outlet uninterrupted for other devices. Just plug in, and ready for monitoring potential gas leak risky after warm up process.
  • High-precision & Sensitivity Sensor - Our Co Gas Detector Use High Reliability Electrochemical Sensor, Excellent Repeatability and Stability, Sensitive Response, Rapid Alarm.
29

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

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Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

Features

  • Get phone alerts so you know something's wrong even when you're away from home[1]
  • No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working
  • With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke
  • CO detector looks out for carbon monoxide and tells you where it's located
  • Heads-Up. Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster.
  • With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done
  • Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low.
  • The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade
  • Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is
  • A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way.
  • App Silence. Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.
  • Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home
  • 10-year carbon monoxide sensor. Carbon monoxide is odorless, invisible and deadly. When there’s CO, Nest Protect tells you where it’s hiding.
  • Tells you what and where. It speaks up to tell you if there’s smoke or CO and where the problem is, so you know what to do. Connectivity: Bluetooth 4.0 LE, Wi-Fi 4 (802.11n)
  • Split-Spectrum Sensor. In an emergency, seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.
30

X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display

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X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display

Features

  • LED INDICATOR: 3-colored LED indicator flashes red, green, or yellow to show the alarm’s working status
  • 10-YEAR BATTERY: Built-in lithium battery provides 10 years of continuous power, saving you from changing batteries
  • INFORMATIVE LCD: Displays the battery level and real-time CO levels in PPM (parts per million)
  • ASSURED QUALITY: Approved by the ETL and meets UL 217 and UL 2034 safety standards
  • RESPONSIVE, ACCURATE DETECTION: 360° monitoring for instant smoke and CO detection from all directions
  • 2-IN-1 PROTECTION: Standalone combination Smoke and Carbon Monoxide Alarm detects both smoke and CO using a photoelectric smoke sensor and an electrochemical CO sensor
31

FIRST ALERT Plug-In Carbon Monoxide Detector, 3-Pack, CO600

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FIRST ALERT Plug-In Carbon Monoxide Detector, 3-Pack, CO600

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.Never use water, cleaners, or solvents, sincethey may damage the unit
  • 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 from carbon monoxide in multiple rooms with this convenient plug-in carbon monoxide alarm 3-pack; the alarms work with any standard outlet
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
32

Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-in with Battery Backup, Digital Display, Pack of 2

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Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-in with Battery Backup, Digital Display, Pack of 2

Features

  • UL Certified, 10-year limited warranty
  • Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf
  • Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage
  • Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button
33

Carbon Monoxide Detector ,CO Gas Monitor Alarm Detector Complies with UL 2034 Standards ,CO Sensor with LED Digital Display for Home,Depot,Battery Powered

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Carbon Monoxide Detector ,CO Gas Monitor Alarm Detector Complies with UL 2034 Standards ,CO Sensor with LED Digital Display for Home,Depot,Battery Powered

Features

  • ◎Simple to use,with a single test/reset button,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.
  • ◎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.
  • ◎The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your family safe. Operated by 2 * 1.5V AAA batteries (not included),portable and easy installation,no need for socket, not affected by power failure, can be installed anywhere!
  • ◎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 CO alarms are rigorously tested to meet UL standards.We promise and guarantee the customer service by providing a response to any questions, concerns, and inquiries within 24 hours.
34

Carbon Monoxide Detector 3 Pack,CO Detector Alarm Sensor Battery Operated with LCD Digital Display for House Kitchen Bedroom Living Room Basement Garage Hotel Office (3AA Batteries NOT Included)

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Carbon Monoxide Detector 3 Pack,CO Detector Alarm Sensor Battery Operated with LCD Digital Display for House Kitchen Bedroom Living Room Basement Garage Hotel Office (3AA Batteries NOT Included)

Features

  • ►Safety And Visible Carbon monoxide alarm detector With 3 digits LCD displayer is optional,'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide.
  • ►Alarm WarningWhen 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.
  • ►Energy Saving3 * 1.5V AA battery powered CO detector (battery not included), Low Current consumption, Ultra-long Standy time. 12 months worry-free product guarantee, please contact seller first once you have any questions.
  • ►High Sensitive & Quick ResponsiveBuild-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.
  • ►Easy Installation And Widely UsedCo detector 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.
35

Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Lithium Battery, Replacement Alert

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Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Lithium Battery, Replacement Alert

Features

  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
36

Kidde Intelligent Detector Alarm Battery Operated Combination Smoke & Carbon Monoxide Detector Alarm | Model KN-COSM-XTR-BA

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Kidde Intelligent Detector Alarm Battery Operated Combination Smoke & Carbon Monoxide Detector Alarm | Model KN-COSM-XTR-BA

Features

  • Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Test-Hush Feature - silences the unit for approximately 9 minutes
  • UL Certified, 10-year limited warranty
  • Ionization & Electrochemical sensor technologies - smoke detector detects invisible fire particles, while the CO alarm detects poisonous carbon monoxide gas; 85 decibel alarm alerts of fire
  • Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
37

SITERLINK Carbon Monoxide Detectors Battery Operated, CO Detector with Test-Silence Button, 7-Year UL Listed Carbon Monoxide Alarm with Electrochemical Sensor, GS811-A, 1 Pack

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SITERLINK Carbon Monoxide Detectors Battery Operated, CO Detector with Test-Silence Button, 7-Year UL Listed Carbon Monoxide Alarm with Electrochemical Sensor, GS811-A, 1 Pack

Features

  • Electrochemical Sensor for Accurately DetectElectrochemical sensor carbon Monoxide Alarm built with first- class imported technology from Japan, helps to monitor co quickly, provides the warning of dangerous as soon as possible; the loudly alarm signal (Loud>85dB) helps your family stay in safety
  • Easy to InstallSITERLINK CO detectors provides mounting bracket, screws, and anchor plugs, the 3M magnet plate base are packeted together as well, convenient for you to choose different way to install it
  • 7-Year Lifetime with 1-year AA replaceable BatterySITERLINK carbon monoxide detectors battery powered will last 7 years; the device includes 3 pieces one year AA batteries, easy to replace them; support to detected and notified automatically if it is low battary or error occured
  • Test-Silence Button and LED LightsCO detector with test button would be tested before use it; if sounds the alarm signal without dangerous, could push the test button to silence it or raplace AA battaries if the battary low. The Green LED light means working, the Red LED light is alarming or warning
  • High Quality and Friendly Customer SupportSITERLINK carbon monoxide detectors built with first-class fire-retardan PC plastic material, tested strictly before being sold in the market; any issue, please contact us, we will help you find a solution
38

FIRST ALERT BRK SC7010BV-6 Hardwired Smoke and Carbon Monoxide (CO) Detector with Photoelectric Sensor, 6-Pack

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FIRST ALERT BRK SC7010BV-6 Hardwired Smoke and Carbon Monoxide (CO) Detector with Photoelectric Sensor, 6-Pack

Features

  • Rigorously tested to meet UL standards
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre-programmed locations in your home
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • 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 limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for your safety. Optipath 360 Technology
  • Keep your family safe with this 6-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house
39

Smoke Detector and Carbon Monoxide Detector Battery Powered with Test/Reset Button 2 Pack

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Smoke Detector and Carbon Monoxide Detector Battery Powered with Test/Reset Button 2 Pack

Features

  • QUICK EASY INSTALLATION: Requires no rewiring, easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.
  • SOUND AND LIGHT ALARM: When a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound---Loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from CO detector.
  • 2-IN-1 ACCURATE, RELIABLE & HIGHLY SENSITIVE ALARM: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases.
  • APPLICATION CO DETECTOR PLACE: This carbon monoxide detector suitable for all place where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage.
  • ENERGY SAVING: Operated by 3 AAA Batteries, You can hear the alarm when the power is low, don't worry about when to replace the battery.
40

Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

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Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

Features

  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Auto-power off after 20 minutes of no usage helps conserve battery life
  • Audible and visual alarms
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Includes carrying pouch and 4xAAA batteries
41

Smoke and Carbon Monoxide Detector Combo with Sound Warning and LCD Display Battery Powered CO Smoke Alarm Detector, 3 Pack (AA Battery Not Include)

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Smoke and Carbon Monoxide Detector Combo with Sound Warning and LCD Display Battery Powered CO Smoke Alarm Detector, 3 Pack (AA Battery Not Include)

Features

  • [Easy Installation & Widely Used] - CO and smoke detector combo can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, No hardwired need. Used for bedroom, living room and any other area with a risk of fire danger.
  • [LCD Display] - Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, When the battery capacity is low, the red light flashe time at every 10 seconds, and the LCD display "Lb".
  • [Warranty and Service] - 18 months worry-free product guarantee ensures long-lasting enjoyment of your purchase.And please contact seller first once you have any questions.
  • [Test/Silence Button] - Test / Silence button enables you to test the alarm weekly, and easily to silence the alarm when false alarms occur; Alarm Volume: Loud > 85dB(A). Loud 85-decibel alarm is designed to be heard easily.
  • [High Sensitive & Quick Responsive] - Build-in electrochemical CO sensor and photoelectric smoke sensor that detects the larger particles of a smoldering fires. Instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms. It's provides the ultimate protection from two deadly threats and make your home decoration look more concise.
42

Ecoey Carbon Monoxide Detector , Replaceable Battery-Operated CO Detector with Human Alarm Sounds and Test Button, Carbon Monoxide Alarm for House and Bedroom, FJ127, 1 Pack

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Ecoey Carbon Monoxide Detector , Replaceable Battery-Operated CO Detector with Human Alarm Sounds and Test Button, Carbon Monoxide Alarm for House and Bedroom, FJ127, 1 Pack

Features

  • [Humanized Design] If the carbon monoxide alarm come into the status of CO alarm warning, the alarm will start in a lower alarm volume (85dB). It will avoid people to be scared suddenly by a loudness alarm sound.
  • [7-year 24/7 protection with replaceable battery] This CO detector powered by 2 replaceable 1.5 V AA batteries and a 7-year sensor life which provides 24/7 protection even during power outages.
  • [LED Indicator] Accordinng to the co detector's working situation, the LED indicator will show different colors to notify you to ensure your safty (the green indicates normal operation, the red indicates an alarm state, and the yellow indicates a fault).
  • [Test & Silence Button] The co alarm design of the test function by pressing the test button, used to test the product is working normal and easily mute the alarm when a false alarm occurs. A weekly test is required.
  • [Accurate] The carbon monoxide detectors use an advanced electrochemical sensors and precise software controls, which can instantly and accurately detect CO, giving you the earliest possible warning of CO threat.
43

Ecoey Carbon Monoxide Detectors , 7-Year Carbon Monoxide Detector Alarm Battery Powered with LCD Digital Display, CO Detector with Silence Function and Test Button, FJ128, 1 Pack

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Ecoey Carbon Monoxide Detectors , 7-Year Carbon Monoxide Detector Alarm Battery Powered with LCD Digital Display, CO Detector with Silence Function and Test Button, FJ128, 1 Pack

Features

  • Energy Saving The CO detector is operated by 2 * 1.5V AA alkaline batteries. Alkaline batteries are safer and more environmentally friendly than lithium batteries. The battery needs to be replaced.
  • Warranty & Service36 months worry-free product guarantee ensures your long-term purchase. If you have any questions, please contact us by E-mail, we will provide you with a satisfactory solution.
  • LED Indicator Clearly inform you of the working status of the alarm through the different colors of the LED indicator (green LED indicates normal operation, red LED indicates alarm status, and yellow LED indicates failure) to ensure the safety of you and your family.
  • Unique Design The CO alarm is easy to install and can be installed anywhere. Precise electrochemical sensor, high consistency and stability. The Test / Silence button can help you use the alarm better.
  • LCD Digital DisplayThe CO detector offers the digital readout of the CO concentration on the LCD screen. Detecting level range: 20-999PPM. It can display the value measured in a period of time.
44

X-Sense 10 Years Battery Wireless Interconnected Combination Smoke and Carbon Monoxide Detector Alarm with Over 820 ft Transmission Range, Large Silence Button, XP01-W, 6-Pack

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X-Sense 10 Years Battery Wireless Interconnected Combination Smoke and Carbon Monoxide Detector Alarm with Over 820 ft Transmission Range, Large Silence Button, XP01-W, 6-Pack

Features

  • ENTIRE HOUSE NOTIFICATION: If one alarm goes off, all other interlinked alarms will follow suit, alerting you to danger regardless of where you are
  • 2-IN-1 PROTECTION: Built with a photoelectric smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats
  • WIDE COVERAGE FOR FULL HOME PROTECTION: Interlinks with up to 24 X-Sense smoke, CO, or combination alarms in a network, ensuring your entire house is fully protected
  • WORRY-FREE AFTER-SALES SERVICES: 60-day money-back guarantee, 5-year warranty, and lifetime customer support; feel free to contact us if you have any problems
  • BUILT-IN 10-YEAR BATTERY: Uninterrupted 24/7 monitoring with a 10-year sealed lithium battery, freeing you from frequent battery replacement
45

Carbon Monoxide Detector, Replaceable Battery-Operated Carbon Monoxide Alarm Detectors with Digital Display & LED Lights,UL Listed CO Alarm Device for Kitchen Bathroom Bedroom Coal Stove

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Carbon Monoxide Detector, Replaceable Battery-Operated Carbon Monoxide Alarm Detectors with Digital Display & LED Lights,UL Listed CO Alarm Device for Kitchen Bathroom Bedroom Coal Stove

Features

  • Sound and Light AlarmWhen the carbon monoxide detector detects that the concentration of carbon monoxide reaches a dangerous level, the red led light will flash, the LCD display will show the current value of the gas concentration, and an alarm sound greater than 85 decibels will sound, which is loud enough to wake up a sleeping person.
  • Battery Power SupplyThe carbon monoxide detector is powered by 3 AAA batteries, making it more convenient for you to replace the battery. It has a low battery alarm function, which can continuously monitor the carbon monoxide concentration even in the event of a power outage, protecting you and your family.
  • Comes with Advanced Electrochemical SensorsThe carbon monoxide detector has high sensitivity and fast response speed, which can be quickly and accurately detected carbon monoxide levels to ensure the safety of you and your family.
  • Easy to UseThe carbon monoxide alarm is equipped with an LCD digital display, allowing you to easily read the carbon monoxide concentration. The test/mute key can test whether the CO alarm is normal with one key.The carbon monoxide detector alarm requires no wiring so you can easily install it in mintues without electricians on the wall or anywhere at home!
  • Safe and ReliableOur carbon monoxide detectors have been strictly tested and meet the UL2034 standard. Please install an alarm on every floor and every room to keep you and your family safe. (NOTE: When testing the alarm, please do not blow holes directly with gas. )
46

First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, SCO500B-3

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First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, SCO500B-3

Features

  • One button silences a false alarm and tests the unit
  • Voice alarm gives clear indication of where the problem is located
  • Features photoelectric smoke sensor and electrochemical CO sensor
  • Connects multiple alarms together for wireless safety network
  • Battery-operated smoke and carbon monoxide alarm
47

Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 6

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Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 6

Features

  • Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
  • Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
  • UL Certified, 10-year limited warranty
48

Kidde Carbon Monoxide Detector with Lithium Battery, 3 LED Lights & Alarm Memory

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Kidde Carbon Monoxide Detector with Lithium Battery, 3 LED Lights & Alarm Memory

Features

  • UL Certified, 10-year limited warranty
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • Protects during a power failure - CO detector operates on a 10-Year, sealed lithium battery
  • Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm
  • Easy installation & no battery fuss - CO alarm will automatically activate when attached to the mounting bracket
49

Cqlunuoly Carbon Monoxide Detectors Co Detector Plug in Wall Battery Powered Portable RV Carbon Monoxide Detector for Travel with UL2034

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Cqlunuoly Carbon Monoxide Detectors Co Detector Plug in Wall Battery Powered Portable RV Carbon Monoxide Detector for Travel with UL2034

Features

  • ENERGY SAVINGOperated by three 1.5V AA Batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps every minute to save the battery.
  • PERFECT DESIGN3.93x3.93x1.5 inches, Portable and easy installation.the Cqlunuoly carbon monoxide alarm instantly and accurately detects CO, an invisible, deadly gas, giving you the earliest possible warning of CO threat with both a loud 85 dB alarm and a rapid flashing red LED.
  • SAFETY AND VISIBLEProtect Our Family from CO, With 3 digits of LCD Displayer is Optional, 'Err' indicates the unit malfunctioning. 'Lb' indicates its low battery and needs to replace '999ppm' indicates CO level over 999ppm. 'actual concentration' when less than 999pm.
  • ALARM WARNINGWhen a Dangerous level of Carbon Monoxide is detected, the Red LED will flash and a loud alarm pattern will sound, Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the Life-Saving Safety.
  • ALARM STANDARD50ppm, alert within 60 to 90 minutes; 100pm, alert within 10 to 40 minutes; 300pm, alert within 3 minutes. Note: When you test the detector, please do not use gas to blow the hole directly.

21 Best Brands in 2022: Loved by Redditors

Below is the the brands based on their popularity among known redditors and mentions of the products on different subreddit threads:

  • Kidde
  • FIRST ALERT
  • X-Sense
  • SITERWELL
  • WJZXTEK
  • AEGISLINK
  • HCDIM
  • Cheffort
  • FORENSICS DETECTORS FD
  • Furado
  • Lecoolife
  • Ledronco
  • Ashlertou
  • WESHLGD
  • Google
  • FDUIOSPF
  • Klein Tools
  • DASINKO
  • Ecoey
  • CAYUENG
  • cqlunuoly

Buying Guide

Choosing the right carbon monoxide detectors can be difficult and requires research. I’ve created this buyer’s guide after analyzing multiple subreddits and interviewing redditors who shop a lot to help you figure out the important things to consider when buying a carbon monoxide detectors.

1. Trust Redditors But Know Your Requirements.

Even though I've listed the best-rated carbon monoxide detectors according to redditors, there are chances that even the best option might not have all the features you need. That’s why make sure that the option you’ve picked has everything you need.

2. Choose the right brand for your needs.

I’ve listed out the best brands according to the Redditors above, but that doesn’t mean you can randomly pick any carbon monoxide detectors from a brand and buy it. You need to make sure that the brand offers proper service and has customer support in or near your location. What’s the point in buying a product that doesn’t have a service center around your area and having to go through the hassle of traveling far away to get it repaired.

3. Compare Historical Prices & Current Prices.

Redditors believe in “value for money” and that’s why there’s a chance that their recommendation would be based on the price of the carbon monoxide detectors that day.

For instance, Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup, CO Alarm with Replacement Alert might have been cheaper when the Redditor suggested it. However, if its price has increased then, you shall consider getting another recommendation that offers the same features but is more value for money.

4. Don’t buy it if you don’t need it.

Online shopping has made purchasing a carbon monoxide detectors very easy, you just click the buy button and the item gets delivered at your doorstep. However, that’s what makes you vulnerable to buying things that you don’t need. So make sure that you’re only purchasing this if you actually need it or would use it.

5. Check other best-sellers lists.

While redditors are known for their value for money approach, brands have gotten smarter. For instance, these days brands themselves create reddit accounts with “high karma” and promote their products. So make sure to check best-seller lists on other websites too.

6. Watch Reviews on YouTube.

Although, sites like Amazon display everything about the product in detail and I’ve shared the important details above. There are times when you’d like to see it in action, that’s where watching a carbon monoxide detectors review on YouTube would help. You’ll also get to know more about the product and real-life use cases.

Verdict

The article tries to answer all your questions both in terms of listing and top brands. But if you’re confused, below are my quick recommendations. You can choose based on your requirement:

  • If you want nothing but the best, go or Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup, CO Alarm with Replacement Alert.
  • Like redditors, if you want more of a value for money option - consider Kidde Carbon Monoxide Detector with Lithium Battery, Digital Display & 3 LED Lights.
  • If you’re looking for a cheap carbon monoxide detectors, look into X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display.

I’ve tried my best to list out the best carbon monoxide detectors based on both my manual research and AI bots. But if you still aren’t sure which product to bet on, comment below your doubts and I’ll be happy to clarify.

Emma Green

Emma Green was the first person to join the team and believe in the potential that the platform had. She has never looked back since then and only worked towards the growth of the content on this platform.

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