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.
Advertising Disclosure
10 Best hand held carbon monoxide detectors of 2025
Save up to 33% off
- Best Choice
1
Klein ToolsKlein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included
How do we rank?
- Value for Money
2
TOPTESTOPTES 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 3
PUTECCHCarbon Monoxide Detectors, Portable CO Detector Battery Powered, Handheld Carbon Monoxide Monitor Alarm Detector with LCD Display for Home/Outdoor/Travel (Batteries Included)
4
LunarlipesLunarlipes 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)
5
TOPTESTopTes 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
-
See Today’s Deals & Prices
6
GasDocGasDoc 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
TOPTESTopTes 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
8
KiddeKidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
33% Off9
TadetoCarbon 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% Off10
NsrryePortable 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