All you need to know about Carbon Monoxide Detectors – September 2021 Edition

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Looking to find the best Carbon Monoxide Detectors?

We researched 22 Carbon Monoxide Detectors, tested 12, and we have done 17 hours of research. The best Carbon Monoxide Detectors doesn’t have to be complicated to be great. Our first pick is exactly that. No more, no less. It also costs less than any other products we tested.

The best

SaleNo. 1
Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire
  • Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty

Intro

Everything you need to know about Carbon Monoxide Detectors before getting yourself one! Learn about this product comparison that we made especially for you. You have a wide selection to choose from when you’re looking for a Carbon Monoxide Detectors (size, brand, product’s solidity and reliability…). That’s why we created, for this type of item, a ranking based on the best value for money according to various brands and prices. We aim to help you find the Carbon Monoxide Detectors that will meet your expectations and budget. You can learn about some presentation and/or functioning details thanks to Amazon customers who review the products featured on this comparison. This top 10 is regularly reworked to remain up-to-date and useful to you. Let’s find the Carbon Monoxide Detectors that is just right for you!

Our picks

SaleNo. 1
Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire
  • Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty
SaleNo. 2
FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400
  • 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
  • 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
  • All first alert CO alarms are rigorously tested to meet UL standards
No. 3
Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display
  • Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
  • 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
  • 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
  • UL Certified, 10-year limited warranty

Why you should trust us

This guide represents more than 10 years of experience in researching, testing, and writing about many subject. Our people are experts in all of their fields.
We alors spent 17 hours reading any article we could find on the internet and all the customer reviews at various retailer sites such as those of Amazon, Home Depot or Wallmart. We found many website that was a valuable resource with involved buying guides and detailed Carbon Monoxide Detectors information.
As for me, I’m very familiar with the Carbon Monoxide Detectors since I got it from 5 years.

Top 10

SaleNo. 1
Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire
  • Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty
SaleNo. 2
FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400
  • 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
  • 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
  • All first alert CO alarms are rigorously tested to meet UL standards
No. 3
Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display
  • Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
  • 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
  • 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
  • UL Certified, 10-year limited warranty
No. 4
Kidde Carbon Monoxide Detector, Battery Powered with LED Lights, CO Alarm
  • CO detector with alert modes & LED lights that pulse for power, CO detection, & low battery
  • Sophisticated electronic components to protect you & your family from the dangers of carbon monoxide, 85 decibel alarm alerts of fire
  • Protects during a power failure - operates on 2-AA batteries, included with pack
  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty
No. 5
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup
  • 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
  • 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
  • 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
  • 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
  • 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)
SaleNo. 6
FIRST ALERT Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack, CO605
  • 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 and also have a battery backup for 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
  • Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place 1 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
  • All First Alert CO alarms are rigorously tested to meet UL standards
No. 7
Kidde Carbon Monoxide Detector with Digital Display & LED Lights, CO Alarm
  • 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
  • Protects during a power failure - CO detector operates on 3-AA batteries
  • Easy to read digital display - allows for easy viewing of carbon monoxide levels
  • UL Certified, 10-year limited warranty
No. 8
First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated
  • 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 up to 8 hours
  • Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling
  • 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. Emits T3 Pattern
  • It can ship within the US except New York
  • 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)
SaleNo. 9
Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
  • Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire at 10 feet
  • 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
  • UL Certified, 10-year limited warranty
SaleNo. 10
Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Detector, AC-Plug-In with Battery Backup, Digital Display
  • CO detector with digital display & alert modes; 85 decibel alarm alerts of fire
  • Electrochemical sensor technology - detects carbon monoxide & other forms of combustible gas such as propane & natural gas
  • Easy to install - combo smoke and gas alarm is powered by a 120VAC wall outlet with 9V battery backup
  • Low battery warning feature indicates when the battery needs replacement
  • UL Certified, 10-year limited warranty
  • Two alarms in one detects carbon monoxide and explosive gas
  • Three convenient mounting options
  • Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset
  • Battery backup 9 volt battery included
  • 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

How we tested

We search all the field to find the best Carbon Monoxide Detectors and all the type for it and get the best alternatives, priced decently, and easy to use. After that we tested all the main parameters we use : These things can separate the great Carbon Monoxide Detectors from the good.

  • Easy To use
  • Options
  • Quality
  • Longevity

How we picked

We search for all the field to find the best Carbon Monoxide Detectors and all the type for it and get the best alternatives, priced decently, and easy to use.
The main parameters we use : These things can separate the bad Carbon Monoxide Detectors from the good.

  • Price
  • Easy To use
  • Customer reviews
  • Quality
  • Longevity
  • Dimensions

Current Offers

SaleNo. 1
Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire
  • Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty
SaleNo. 2
FIRST ALERT Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack, CO605
  • 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 and also have a battery backup for 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
  • Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place 1 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
  • All First Alert CO alarms are rigorously tested to meet UL standards
SaleNo. 3
Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
  • Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire at 10 feet
  • 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
  • UL Certified, 10-year limited warranty
SaleNo. 4
Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Detector, AC-Plug-In with Battery Backup, Digital Display
  • CO detector with digital display & alert modes; 85 decibel alarm alerts of fire
  • Electrochemical sensor technology - detects carbon monoxide & other forms of combustible gas such as propane & natural gas
  • Easy to install - combo smoke and gas alarm is powered by a 120VAC wall outlet with 9V battery backup
  • Low battery warning feature indicates when the battery needs replacement
  • UL Certified, 10-year limited warranty
  • Two alarms in one detects carbon monoxide and explosive gas
  • Three convenient mounting options
  • Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset
  • Battery backup 9 volt battery included
  • 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
SaleNo. 5
First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display
  • Keep your family safe with this digital display, plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • 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
  • All first alert CO alarms are rigorously tested to meet UL standards
  • 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)

Conclusion

As you may have seen, the best Carbon Monoxide Detectors are not always the most expensive. We hope this top 10 has been a useful tool in your choice of Carbon Monoxide Detectors. Your comments are welcome. This comparison is regularly updated, so you will always find the latest products on the market in this ranking.

Last update on 2021-09-21 at 08:53 / Affiliate links / Images from Amazon Product Advertising API

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