10 bestCo Testersof February 2025
112M consumers helped this year.
21% off
1

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button
Fireangel
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9.8
2

Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life
Kidde

9.6
5% off
3

Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries
Kidde

9.3
34% off
4

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White
Fireangel

9.0
6% off
5

Martindale HPAT400 Pass/Fail PAT Tester
Martindale Electric
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8.7
Other
6

Kidde 5DCO 10 Year Life Battery Powered Digital Display Carbon Monoxide Alarm
Kidde

8.4
7

Carbon Monoxide Detector with LCD Digital Display, CE Certified CO Alarm with Sealed in 10 Year Battery, Standalone Audible CO Detector for Home,Black,1 Pack
XINDUM

8.1
8

FireAngel Digital Carbon Monoxide Detector with 10-Year Sealed for Life Battery - FA3322 Humidity, Temperature and CO Alarm - Portable Carbon Monoxide Alarms for Home and Travel - CO Detector Monitor
Fireangel

7.8
17% off
9

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

7.5
5% off
10

HOMELYLIFE Carbon Monoxide Detector, Replaceable Battery Operated Carbon Monoxide Alarm with LCD Digital Display, EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included)
HOMELYLIFE

7.2
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