10 Best hand held carbon monoxide detectors of 2025

Save up to 33% off

Best Choice

1

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

Accurate CO Measurement
Detects carbon monoxide levels with precision, featuring a clear backlit display.

Ideal for Portable Use
Perfect for safety checks in various environments, including homes and parking garages.

Praised Dual Alarm System
Users appreciate the dual alarm system for low and high CO levels.
9.8

Exceptional

Our Rating

9.3
clearly written

8.9
Simple to use

8.2
Precision
How do we rank?

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

TOPTES

TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use

15% Off
9.7

Exceptional

Our Rating
3

PUTECCH

Carbon Monoxide Detectors, Portable CO Detector Battery Powered, Handheld Carbon Monoxide Monitor Alarm Detector with LCD Display for Home/Outdoor/Travel (Batteries Included)
9.6

Exceptional

Our Rating

9.9
Precision

9.9
Simple to use

9.7
Luminosity
4

Lunarlipes
Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor ＆ LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)
Main highlights

Key Features
Accurate electrochemical sensor, customizable alarm value, 4 test modes, portable design with clip, and power-saving automatic shutdown feature.

Ideal Use Cases
Perfect for homes, offices, industries, and vehicles, ensuring safety from CO gas in various environments indoors and outdoors.

Customer Reviews
Highly praised for its accuracy, ease of use, and the reliability of the alarm system in detecting dangerous CO levels.
9.5

Excellent

Our Rating

8.4
worth the money

8.2
Simple to use

8.2
clearly written
5

TOPTES
TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange
Main highlights

Swift & Accurate Detection
Detects CO levels from 0-5000 ppm with precision, ensuring timely action against CO poisoning.

Versatile Usage
Ideal for home, car, camping, and travel, offering peace of mind in various environments.

Highly Praised Alarm System
Customers appreciate the effective visual and audible alarms for immediate CO detection.
9.4

Excellent

Our Rating

9.1
Simple to use

8.9
clearly written

8.2
Precision
See Today’s Deals & Prices
6

GasDoc

GasDoc DS-399 Carbon Monoxide Detector, 168HR Standby, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue
9.3

Excellent

Our Rating
7

TOPTES
TopTes PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange
Main highlights

Comprehensive Gas Detection
Detects LPG, methane, propane, and more, preventing gas explosions.

Ideal for Home and RV Use
Perfect for homeowners and RV enthusiasts with gas appliances.

Highly Praised Accuracy
Customers appreciate its accuracy in pinpointing gas leaks.
9.0

Excellent

Our Rating

9.7
Simple to use

9.5
Easy installation

9.5
worth the money
8

Kidde
Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

33% Off
Main highlights

Battery Powered Convenience
Operates on 2-AA batteries, includes Test-Hush button for easy testing and silencing.

Ideal for Multi-Level Homes
Perfect for bedrooms and living areas, especially with wood-burning stoves.

Highly Rated Alarm Performance
Praised for its loud, effective alarm and reliable detection.
8.8

Very Good

Our Rating

9.9
Easy installation

9.7
worth the money

9.7
Simple to use
9

Tadeto

Carbon Monoxide Detectors, Portable CO Detector with Audible & Visual Alarm, 2.4-in Backlit Screen 0-1000PPM Travel CO Gas Meter for Home, Industrial and Outdoor (includes Battery x3)

10% Off
8.7

Very Good

Our Rating

8.4
clearly written

8.0
Simple to use

8.0
Battery Duration
10

Nsrrye

Portable Travel Carbon Monoxide Detector - Plug in Co and Natural Gas Detector Combination Gas&Carbon Monoxide Detectors with Temperature Humidity Display for Travel Home 4 in 1 Gas Detector
8.6

Very Good

Our Rating

10 Best hand held carbon monoxide detectors of 2025

1

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

9.3

8.9

8.2

2

TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use

3

Carbon Monoxide Detectors, Portable CO Detector Battery Powered, Handheld Carbon Monoxide Monitor Alarm Detector with LCD Display for Home/Outdoor/Travel (Batteries Included)

9.9

9.9

9.7

4

Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor ＆ LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)

8.4

8.2

8.2

5

TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange

9.1

8.9

8.2

6

GasDoc DS-399 Carbon Monoxide Detector, 168HR Standby, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue

7

TopTes PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange

9.7

9.5

9.5

8

Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

9.9

9.7

9.7

9

Carbon Monoxide Detectors, Portable CO Detector with Audible & Visual Alarm, 2.4-in Backlit Screen 0-1000PPM Travel CO Gas Meter for Home, Industrial and Outdoor (includes Battery x3)

8.4

8.0

8.0

10

Portable Travel Carbon Monoxide Detector - Plug in Co and Natural Gas Detector Combination Gas&Carbon Monoxide Detectors with Temperature Humidity Display for Travel Home 4 in 1 Gas Detector

Sign up and get exclusive special deals