To get the lowdown on best carbon monoxide detector, we’ve consulted top experts who has in-and-out knowledge about the carbon monoxide detector.

An increasingly popular option is a Kidde KN-COPP-3 carbon monoxide detector, which comes with amazing features you’ve never heard before. More than 2580 verified buyers have rated this product 4.5 star on Amazon. It is undoubtedly the best carbon monoxide detector available in the market today. However, if you don’t want to spend big on carbon monoxide detector, then you should absolutely go for Kidde 21008873 carbon monoxide detector which comes with all the basic features one could expect in a carbon monoxide detector.

While you’ll find carbon monoxide detector that are less than $10, you’re far likelier to have problems with these models than somewhat more expensive carbon monoxide detector. Generally, a good carbon monoxide detector with desirable extra features will cost between $10 to $360.

If you are ready to choose a new carbon monoxide detector, check out our recommendations for the best carbon monoxide detector. But if you’d like to learn more about the various types of carbon monoxide detector available and how to choose the right one for you, read on.

So here is our list of The 10 Best carbon monoxide detector

1. Kidde KN-COPP-3 carbon monoxide detector

Nighthawk AC Plug-in Operated Carbon Monoxide Alarm with Digital Display KN-COPP-3

By Kidde

Digital Display – Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds.

  • KN-COPP-3 NighthawkCarbon Monoxide AlarmAt a Glance:
  • This discreet alarm is designed to fit into any standard A/C outlet in your house.View larger.
  • The easy-read digital display updates every 15 seconds to indicate any abrupt changes or alarming trends in CO levels. View larger.
  • Advanced Technology in an Easy-to-Install, Plug-In Design
  • Audible Alarm Pattern Alerts you to Elevated CO Levels

2. Kidde 21008873 carbon monoxide detector

Kidde 21008873 Battery Operated Digital Display KN-Copp-B-LPM Carbon Monoxide Alarm

By Kidde

The Kidde KN-COPP-B-LPM battery operated CO alarm provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The digital display feature allows for easy viewing of carbon monoxide levels from 30-999 PPM (parts per million).

  • The KN-COPP-B-LPM will also detect and store concentration CO levels as low as 11 and up to 999 PPM with its peak level memory display
  • This alarm includes a slide-out battery door that gives immediate access to the batteries and a safety feature that makes it difficult to close the cover without the batteries being installed
  • It has a 10-year life and a 10-year limited warranty

3. First Alert SC9120BFF carbon monoxide detector

First Alert BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup

By First Alert

This First Alert SC9120B Hardwired Smoke and Carbon Monoxide Detector includes a 9-volt battery backup that continues to protect you in the event of a power failure. The alarm features electrochemical CO sensing technology, an ionization sensor for smoke detection, and an 85-decibel alarm.

  • Emergency: Carbon monoxide has been detected. Move to fresh air and call 911.
  • Low battery: It’s time to replace the batteries in your carbon monoxide alarm.
  • End of life: It’s time to replace your carbon monoxide alarm.

4. First Alert CO605 carbon monoxide detector

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

By First Alert

The First Alert CO605 Plug-In Carbon Monoxide Detector helps protect your family with an electrochemical sensor and an 85-decibel alarm, and easily plugs into any standard outlet with no additional mounting necessary. It also includes a battery backup, so CO is monitored even if there’s a power failure.

  • CO605 Carbon Monoxide Plug-In AlarmAt a Glance:
  • WHERE TO PLACE SAFETY PRODUCTS:
  • Smoke Alarms
  • Carbon Monoxide Alarms
  • Fire Extinguishers

5. First Alert CO400FF carbon monoxide detector

First Alert CO400 Carbon Monoxide Detector, Battery Operated

By First Alert

The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to monitor your space for a carbon monoxide threat. The battery-powered design doesn’t require an electrician; simply insert the included 9-volt battery, and the carbon monoxide detector is ready to go.

  • Emergency: Carbon monoxide has been detected. Move to fresh air and call 911.
  • Low battery: It’s time to replace the batteries in your carbon monoxide alarm.
  • End of life: It’s time to replace your carbon monoxide alarm.

6. First Alert SCO5CN carbon monoxide detector

First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated

By First Alert

The First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm features dual sensors to detect both smoke and carbon monoxide in a single device. A photoelectric sensor detects the smoke most often produced by smoldering fires, and minimizes false alarms from cooking smoke or shower steam.

  • Emergency: Carbon monoxide has been detected. Move to fresh air and call 911.
  • Low battery: It’s time to replace the batteries in your carbon monoxide alarm.
  • End of life: It’s time to replace your carbon monoxide alarm.

7. Kidde 21006677 carbon monoxide detector

Nighthawk Plug-in Carbon Monoxide & Explosive Gas Alarm with Digital Display KN-COEG-3

By Kidde

The Kidde KN-COEG-3 AC powered, plug-in CO and explosive gas alarm protects you and your family from two deadly threats. The KN-COEG-3 includes 9V battery back up that provides protection during a power outage, when AC-only units can not provide protection.

  • KN-COEG-3 NighthawkCarbon Monoxide and Explosive Gas AlarmAt a Glance:
  • This discreet alarm is designed to fit into any standard A/C outlet in your house.View larger.
  • The easy-read digital display updates every 15 seconds to indicate any abrupt changes or alarming trends in CO levels. View larger.
  • Advanced Technology in an Easy-to-Install, Plug-In Design
  • The Dangers of Carbon Monoxide, Methane, and Propane Exposure

8. First Alert 2-in-1 Z-Wave Smoke Detector & Carbon Monoxide Alarm

First Alert 2-in-1 Z-Wave Smoke Detector & Carbon Monoxide Alarm

By First Alert

The First Alert ZCOMBO-G is a z-wave protocol smoke and carbon monoxide combination alarm. This battery operated alarm will operate with 3Rd party, certified z-wave Devices enabled with the First Alert protocol and the basic Command class required by all z-wave Devices.

  • Emergency: Carbon monoxide has been detected. Move to fresh air and call 911.
  • Low battery: It’s time to replace the batteries in your carbon monoxide alarm.
  • End of life: It’s time to replace your carbon monoxide alarm.

9. Kidde 21010045 carbon monoxide detector

Kidde 21010045 C3010 Worry-Free Carbon Monoxide 10 Year Sealed Battery Smoke Alarm, 1 Pack

By Kidde

The Kidde C3010 is a 10-year, sealed battery, carbon monoxide alarm that uses electro-chemical sensing technology to protect you and family from the dangers of carbon monoxide. The C3010 alarm will automatically activate when attached to the mounting bracket.

  • At the end of alarm life, the unit will chirp, indicating the alarm is in need of replacement
  • A screwdriver can be used to deactivate the unit, stopping the end-of-life chirp and making it safe for disposal
  • The inside cover of the mounting bracket features a quick reference guide for what to do in case of an alarm
  • The C3010 is easy to install and is suitable for all living areas
  • Ten-year life and limited warranty

10. Kidde 21007624 carbon monoxide detector

Firex AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm KN-COPE-IC

By Kidde

The Kidde Front-Loading Smoke and Carbon Monoxide alarm (part # 21007624) offers protection from two hazards – fire and CO – in one unit. Sold under the FireX brand, this AC-wire with battery backup alarm emits a beeping tone followed by a voice warning that clearly announces the danger by saying, “Fire! Fire!” or “Warning! Carbon Monoxide!”.

  • The uniquely designed frontloading battery compartment makes battery replacement quick and easy, and ensures proper installation
  • Manufactured with photoelectric sensors for detecting smoke and fire, this alarm also includes the world’s most accurate CO sensing technology based on claims by major manufacturers
  • Architectural and Engineering Specifications – The combination smoke and carbon monoxide alarm shall be Kidde Unit Number KN-COPE-I (part number 900-0213) or approved equal
  • It shall be powered by 120VAC, 60Hz source with a 9V battery backup
  • The temperature operating range shall be between 40degF and 100degF (4degC and 38degC) and the humidity operating range shall be 5% – 85% relative humidity

Hope this list of the best carbon monoxide detector will be helpful for you. Feel free to contact us if you have any questions about our site or our reviews, and we will be happy to help you with your purchasing decisions in any way we can.

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Joel Townsend
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New York, NY 10112, United States
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Email: contact@bittasset.com

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Katherine Jonas
Katherine is an editor-in-chief at Bittasset. After getting graduated from Cornell University, she has worked with the brands like Target and Walmart and handled operations for more than 5 years. She loves to write about detailed product reviews.

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