When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

20 Best Handheld Carbon Monoxide Detector (2023 Updated)

A handheld carbon monoxide detector is a small, portable device that is used to measure the level of carbon monoxide in the air. This device is usually battery-operated and has an LCD display that shows the carbon monoxide level in parts per million (ppm).

The handheld carbon monoxide detector can be used to monitor the air quality in your home, office, or other indoor spaces.

20 Best Handheld Carbon Monoxide Detector

Product Image Product Name Features Price

First Alert Carbon Monoxide Alarm | Brk Co250 Battery Operated Carbon Monoxide Detector with 9-Volt Battery & Two Silence Features

  • HIGHEST QUALITY | Most Accurate Electrochemical CO Sensor Technology
  • CONVENIENT | End of Life Chirping Signal
  • HELPFUL | Two Silence Features that Silence both Alarm and Low-Battery Chirp

First Alert Co410 – Battery-Powered Carbon Monoxide Alarm Digital Display

  • Features an advanced electrochemical carbon monoxide sensor; Peak Level feature displays the highest concentration of carbon monoxide measured

First Alert Co615 – Carbon Monoxide Plug-In Alarm Battery Backup Digital Display

  • 1 Pack

First Alert CO400B6CP Carbon Monoxide Alarm, 6-Pack

  • Battery operated to provide continuous monitoring of CO levels, even during a power failure
  • Advanced electrochemical sensor detects carbon monoxide levels no matter where the detector is installed

First Alert CO410B Carbon Monoxide Alarm, Electrochemical

  • the most accurate sensor available as compared to other sensing technologies Front-access battery compartment
  • allows easy battery replacement Single Button Test/Silence Two silence features

Kidde 21010045 10 Year Battery Carbon Monoxide Alarm

  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China

First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Display, Co615

  • Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured

First Alert Co615a Plug-In Carbon Monoxide Detector with Battery Backup, Low Battery Alarm, Backlit

  • Plug-in carbon monoxide alarm with battery back-up and digital display
  • Uses electrochemical carbon monoxide sensor–the most accurate technology available

Fieldpiece SCM4 – Carbon Monoxide Detector

  • Field-replaceable CO sensor
  • Calibrate to ambient quickly with the ZERO button
  • Magnetic hanger for hands free

First Alert Dual-Power Carbon Monoxide Plug-In Alarm with Digital Display

  • Model number CO615
  • Dual-power carbon monoxide alarm offers continuous monitoring of carbon monoxide levels
  • Plugs into any outlet &; features battery backup

First Alert BRK Battery Operated Carbon Monoxide Alarm, Light Grey

  • Electrochemical sensor monitors carbon monoxide levels
  • Two silence settings
  • Safe detection for residential and commercial spaces

First Alert Smoke & Carbon Monoxide Alarm

  • Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire
  • Simple to use, with a single test/silence button; includes 10-year lithium battery with a locked drawer to prevent tampering

Alecto 3213 Carbon Monoxide Detector White

  • Has an illuminated LCD display on which you can read the CO value, even in the dark.
  • The battery level indication, so that you can replace the batteries on time. A warning signal can also be heard when the battery is empty.

Kidde Night Hawk Carbon Monoxide Alarm with Digital Display

  • Digital display shows CO level in PPM (parts per million) and updates digital reading every 15 seconds
  • Backlit display to help see the CO level reading in the dark

First Alert CO605B Carbon Monoxide Alarm, Electrochemical

  • Electrochemical Carbon Monoxide Sensor – the most accurate sensor available as compared to other sensing technologies
  • Single Button Test/Silence
First Alert Carbon Monoxide Alarm | Brk Co250 Battery Operated Carbon Monoxide Detector with 9-Volt Battery & Two Silence Features
  • HIGHEST QUALITY | Most Accurate Electrochemical CO Sensor Technology
  • CONVENIENT | End of Life Chirping Signal
  • HELPFUL | Two Silence Features that Silence both Alarm and Low-Battery Chirp
First Alert Co410 – Battery-Powered Carbon Monoxide Alarm Digital Display
  • Features an advanced electrochemical carbon monoxide sensor; Peak Level feature displays the highest concentration of carbon monoxide measured
First Alert Co615 – Carbon Monoxide Plug-In Alarm Battery Backup Digital Display
  • 1 Pack
First Alert CO400B6CP Carbon Monoxide Alarm, 6-Pack
  • Battery operated to provide continuous monitoring of CO levels, even during a power failure
  • Advanced electrochemical sensor detects carbon monoxide levels no matter where the detector is installed
First Alert CO410B Carbon Monoxide Alarm, Electrochemical
  • the most accurate sensor available as compared to other sensing technologies Front-access battery compartment
  • allows easy battery replacement Single Button Test/Silence Two silence features
Kidde 21010045 10 Year Battery Carbon Monoxide Alarm
  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China
First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Display, Co615
  • Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured
First Alert Co615a Plug-In Carbon Monoxide Detector with Battery Backup, Low Battery Alarm, Backlit
  • Plug-in carbon monoxide alarm with battery back-up and digital display
  • Uses electrochemical carbon monoxide sensor–the most accurate technology available
Fieldpiece SCM4 – Carbon Monoxide Detector
  • Field-replaceable CO sensor
  • Calibrate to ambient quickly with the ZERO button
  • Magnetic hanger for hands free
First Alert Dual-Power Carbon Monoxide Plug-In Alarm with Digital Display
  • Model number CO615
  • Dual-power carbon monoxide alarm offers continuous monitoring of carbon monoxide levels
  • Plugs into any outlet &; features battery backup
First Alert BRK Battery Operated Carbon Monoxide Alarm, Light Grey
  • Electrochemical sensor monitors carbon monoxide levels
  • Two silence settings
  • Safe detection for residential and commercial spaces
First Alert Smoke & Carbon Monoxide Alarm
  • Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire
  • Simple to use, with a single test/silence button; includes 10-year lithium battery with a locked drawer to prevent tampering
Alecto 3213 Carbon Monoxide Detector White
  • Has an illuminated LCD display on which you can read the CO value, even in the dark.
  • The battery level indication, so that you can replace the batteries on time. A warning signal can also be heard when the battery is empty.
Kidde Night Hawk Carbon Monoxide Alarm with Digital Display
  • Digital display shows CO level in PPM (parts per million) and updates digital reading every 15 seconds
  • Backlit display to help see the CO level reading in the dark
First Alert CO605B Carbon Monoxide Alarm, Electrochemical
  • Electrochemical Carbon Monoxide Sensor – the most accurate sensor available as compared to other sensing technologies
  • Single Button Test/Silence

1. First Alert Carbon Monoxide Alarm | Brk Co250 Battery Operated Carbon Monoxide Detector with 9-Volt Battery & Two Silence Features

First Alert Carbon Monoxide Alarm | Brk Co250 Battery Operated Carbon Monoxide Detector with 9-Volt Battery & Two Silence Features

  • HIGHEST QUALITY | Most Accurate Electrochemical CO Sensor Technology
  • CONVENIENT | End of Life Chirping Signal
  • HELPFUL | Two Silence Features that Silence both Alarm and Low-Battery Chirp
  • FEATURES | 9-Volt Battery and all Necessary Mounting Hardware
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Check Latest Price

Sold By Price
Amazon.com
eBay
Shell Lumber and Hardware
Life and Home

Product Details

Reviews From Real Customers

Freida
crown37
friedfolk2

2. First Alert Co410 – Battery-Powered Carbon Monoxide Alarm Digital Display

First Alert Co410 - Battery-Powered Carbon Monoxide Alarm Digital Display

  • 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

Check Latest Price

Sold By Price
Amazon.com
eBay
QVC
Fire Supply Depot

Product Details

Specifications

Details
Product Type Carbon monoxide sensor
Functions Siren
Siren Sound Level 85 dB
Features LCD display
Form Factor AA

Reviews From Real Customers

jacobo864
hank
blaineweatherwatcher

3. First Alert Co615 – Carbon Monoxide Plug-In Alarm Battery Backup Digital Display

First Alert Co615 - Carbon Monoxide Plug-In Alarm Battery Backup Digital Display

  • 1 Pack

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
Farm & Home Supply

Product Details

Specifications

Details
Product Type Carbon monoxide sensor
Sensor Type Carbon monoxide
Functions Audible alarm
Integrated Components Alarm
Power Source Battery, power adapter

Reviews From Real Customers

Mosaicwoman
Kevin
mlandau

4. First Alert CO400B6CP Carbon Monoxide Alarm, 6-Pack

First Alert CO400B6CP Carbon Monoxide Alarm, 6-Pack

  • Battery operated to provide continuous monitoring of CO levels, even during a power failure
  • Advanced electrochemical sensor detects carbon monoxide levels no matter where the detector is installed
  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels
  • CO alarms should be placed on every level and in every bedroom of the home
  • Tested to meet UL standards

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
Bonanza – d and d liquidations booth

Product Details

Specifications

Details
Voltage 9
Power Source Battery
Pack Size 6
Certifications and Listings ETL Listed UL Listed
Commercial/Residential Residential

Reviews From Real Customers

Ringolevio
Agnn
CourtneyS

5. First Alert Carbon Monoxide Alarm 70031

First Alert Carbon Monoxide Alarm 70031

Check Latest Price

Sold By Price
Amazon
Harbor Freight Tools

Product Details

Reviews From Real Customers

Lily

6. First Alert CO410B Carbon Monoxide Alarm, Electrochemical

First Alert CO410B Carbon Monoxide Alarm, Electrochemical

  • the most accurate sensor available as compared to other sensing technologies Front-access battery compartment
  • allows easy battery replacement Single Button Test/Silence Two silence features
  • can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm Large backlit display
  • shows visual confirmation of CO levels in PPM Peak Level Recall Button

Check Latest Price

Sold By Price
Amazon
Conservation Mart
Grainger Industrial Supply
Zoro

Product Details

Specifications

Details
Unspsc Family Security surveillance and detection
Unspsc Class Surveillance and detection equipment
Unspsc Commodity Gas detectors
Sensitivity Audio Alarm: 85dB at 10 feet
Sensor Electrochemical

Reviews From Real Customers

11cc11
DAK98

7. Kidde 21010045 10 Year Battery Carbon Monoxide Alarm

Kidde 21010045 10 Year Battery Carbon Monoxide Alarm

  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China

Check Latest Price

Sold By Price
Amazon
eBay – sellsim_2day_shipping
Walmart – Factory Hardware Store
Sears – Ami Ventures Inc

Product Details

Specifications

Details
UL Listed Yes
Number in Package 1 pk
Test and or Reset Button Yes
Product Type Carbon Monoxide Detector
Each Weight 0.310 LB

Reviews From Real Customers

Safelincs - Fire Safety Products
osf212
wholesalehome.com

8. First Alert Battery-Operated Carbon Monoxide Alarm White 2709

First Alert Battery-Operated Carbon Monoxide Alarm White 2709

Check Latest Price

Sold By Price
Amazon
ScottOkie

Product Details

Specifications

Details
Assembled Product Dimensions (L x W x H) 10.00 x 6.63 x 2.00 Inches

9. First Alert Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack, Co605

First Alert Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack, Co605

Check Latest Price

Sold By Price
Amazon
Newegg.com – Airlink Tech

Product Details

Reviews From Real Customers

FixItPepe
lowes.ca
Elaine

10. First Alert 1039727 Battery Powered Carbon Monoxide Alarm with Backlit Digital Display

First Alert 1039727 Battery Powered Carbon Monoxide Alarm with Backlit Digital Display

Check Latest Price

Sold By Price
Amazon
Lighting and Supplies

Product Details

Reviews From Real Customers

LilaD
darbyd

11. First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Display, Co615

First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Display, Co615

  • Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • All first alert CO alarms are rigorously tested to meet UL standards

Check Latest Price

Sold By Price
Amazon
eBay – marketplace_advantage
meekoutlet.com

Product Details

Specifications

Details
Product Dimensions 3.4 x 1.7 x 5.0 inches

12. First Alert Co615a Plug-In Carbon Monoxide Detector with Battery Backup, Low Battery Alarm, Backlit

First Alert Co615a Plug-In Carbon Monoxide Detector with Battery Backup, Low Battery Alarm, Backlit

  • Plug-in carbon monoxide alarm with battery back-up and digital display
  • Uses electrochemical carbon monoxide sensor–the most accurate technology available
  • Simple to use silence/test button
  • Low battery warning
  • end-of-life timer

Check Latest Price

Sold By Price
Amazon
Milton Wares

Product Details

Specifications

Details
Assembled Product Weight 0.71 lbs

Reviews From Real Customers

xhp800
dj8452000
Fraze

13. First Alert Co400 Carbon Monoxide Detector, Battery Operated Battery Powered

First Alert Co400 Carbon Monoxide Detector, Battery Operated Battery Powered

Check Latest Price

Sold By Price
Amazon
eBay
Bonanza – Ltech34’s booth
Farm & Home Supply

Product Details

14. Fieldpiece SCM4 – Carbon Monoxide Detector

Fieldpiece SCM4 - Carbon Monoxide Detector

  • Field-replaceable CO sensor
  • Calibrate to ambient quickly with the ZERO button
  • Magnetic hanger for hands free

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
SupplyHouse.com

Product Details

Specifications

Details
Application HVAC
Display Updates real-time
CO Air Sample Temperature Range 32 to 105°F
Operating Environment 32 to 122oF (0 to 50°C)
Sensor Type Electrochemical (specific to CO)

Reviews From Real Customers

HR
Lyle
SK

15. First Alert Dual-Power Carbon Monoxide Plug-In Alarm with Digital Display

First Alert Dual-Power Carbon Monoxide Plug-In Alarm with Digital Display

  • Model number CO615
  • Dual-power carbon monoxide alarm offers continuous monitoring of carbon monoxide levels
  • Plugs into any outlet &; features battery backup
  • Backlit digital display shows readings for power &; carbon monoxide
  • Single test/silence button for simple operation

Check Latest Price

Sold By Price
Amazon
Best Buy
Lowe’s
Target

Product Details

Specifications

Details
Product Type Carbon monoxide sensor
Functions Siren
Siren Sound Level 85 dB
Display LCD
Features Test Silence button

16. First Alert BRK Battery Operated Carbon Monoxide Alarm, Light Grey

First Alert BRK Battery Operated Carbon Monoxide Alarm, Light Grey

  • Electrochemical sensor monitors carbon monoxide levels
  • Two silence settings
  • Safe detection for residential and commercial spaces
  • Convenient battery operation
  • Slim design matches any decor

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Electric Bargain Store

Product Details

Specifications

Details
Pack Size 1

Reviews From Real Customers

mattnieder
3redrows

17. First Alert Smoke & Carbon Monoxide Alarm

First Alert Smoke & Carbon Monoxide Alarm

  • Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire
  • Simple to use, with a single test/silence button; includes 10-year lithium battery with a locked drawer to prevent tampering
  • Rigorously tested to meet UL standards
  • To ensure complete protection make sure to place one carbon monoxide detector on each level of your home and in each bedroom

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Lowe’s

Product Details

Specifications

Details
UL Listed Yes
Number in Package 1 pk
Each Weight 0.750 LB
Hazardous Material Yes
Low Battery Indicator Yes

Reviews From Real Customers

JasonY
JenVA78
dpjp2020

18. Alecto 3213 Carbon Monoxide Detector White

Alecto 3213 Carbon Monoxide Detector White

  • Has an illuminated LCD display on which you can read the CO value, even in the dark.
  • The battery level indication, so that you can replace the batteries on time. A warning signal can also be heard when the battery is empty.
  • The simple and quick installation of the carbon monoxide detector, without special tools or difficult instructions.

Check Latest Price

Sold By Price
Amazon
Techinn.com

Product Details

Reviews From Real Customers

netto-online.de
electrofun.pt
BS80

19. Kidde Night Hawk Carbon Monoxide Alarm with Digital Display

Kidde Night Hawk Carbon Monoxide Alarm with Digital Display

  • Digital display shows CO level in PPM (parts per million) and updates digital reading every 15 seconds
  • Backlit display to help see the CO level reading in the dark
  • Peak level memory displays the highest CO concentration measured since the last reset
  • Battery operated (3 AAs included) to provide protection during power outages
  • Battery lockout system deters covering battery compartment without installation of batteries

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
BuyRite Electric

Product Details

Specifications

Details
Detection Method Electrochemical
Interconnection Capability No
Power Source (3) AA Batteries
Audible Alert 85 dB @ 10 ft
Visual Alert Style LED

Reviews From Real Customers

paul450

20. First Alert CO605B Carbon Monoxide Alarm, Electrochemical

First Alert CO605B Carbon Monoxide Alarm, Electrochemical

  • Electrochemical Carbon Monoxide Sensor – the most accurate sensor available as compared to other sensing technologies
  • Single Button Test/Silence
  • 9V Battery Backup
  • Two silence features – can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
  • End of Life Signal provides audible notification alarms needs to be replaced

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Crescent Electric Supply Company

Product Details

Specifications

Details
Pack Size 1

Reviews From Real Customers

James

Conclusion

There are many different types of handheld carbon monoxide detectors on the market, and it is important to choose the one that is right for your needs. Some things to consider when choosing a handheld carbon monoxide detector include:

-The type of sensor that is used. Some carbon monoxide detectors use electrochemical sensors, while others use metal oxide semiconductor sensors.

-The sensitivity of the detector. Some detectors are more sensitive than others, and this is something to consider if you want to be able to detect low levels of carbon monoxide.

-The battery life. Some carbon monoxide detectors have very short battery lives, while others can last for years.

-The price. Carbon monoxide detectors can range in price from very affordable to quite expensive.

Once you have considered all of these factors, you should be able to choose the handheld carbon monoxide detector that is right for you.

Categories Uncategorized

Leave a Comment