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10 Best carbon monoxide detector for basements of 2026

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  • Best Choice

    1

    Carbon Monoxide Detectors and Natural Gas Detector, 4-in-1 Upgraded Carbon Monoxide Detectors Plug in, Gas Leak Detector with Dual Alarms, Temperature & Humidity Sensor for Home, RV, Black, 2 Packs
    Clicked 403 times in the last month
    Vilfet

    Carbon Monoxide Detectors and Natural Gas Detector, 4-in-1 Upgraded Carbon Monoxide Detectors Plug in, Gas Leak Detector with Dual Alarms, Temperature & Humidity Sensor for Home, RV, Black, 2 Packs

    30% Off Limited Time Deal
    9.8
    Exceptional
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  • Value for Money

    2

    NICGOL 4 in 1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)
    NICGOL

    NICGOL 4 in 1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)

    20% Off
    9.7
    Exceptional

  • 3

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

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

    9.5
    Excellent

  • 4

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

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

    10% Off
    9.4
    Excellent
    Our Rating

  • 5

    First Alert Carbon Monoxide Detector, Plug-In Alarm with Test & Silence Button, CO600, White, 1-Pack
    First Alert

    First Alert Carbon Monoxide Detector, Plug-In Alarm with Test & Silence Button, CO600, White, 1-Pack

    • power source:Corded Electric
    • alarm:Audible
    • sensor:Electrochemical
    • dimensions:2.8D x 8.5W x 6.75H
    • color:White
    9.2
    Excellent
    Our Rating
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  • 6

    Carbon Monoxide Detectors, CO Detector Battery Powered, Carbon Monoxide Alarm with Sensitive CO Sensor, LCD Display and Sound Warning for Home, Bedroom, Kitchen
    SHYEEH

    Carbon Monoxide Detectors, CO Detector Battery Powered, Carbon Monoxide Alarm with Sensitive CO Sensor, LCD Display and Sound Warning for Home, Bedroom, Kitchen

    • power source:Battery Powered
    • alarm:85dB to 215-430ft
    • sensor:Electrochemical sensor
    • dimensions:4.25 x 4.21 x 1.93 inches
    • color:N/A
    8.9
    Very Good

  • 7

    VETOUCH Plug-in Carbon Monoxide Detector with Digital Color Display CO Detector for CO, Temperature & Humidity, 85dB Loud Alert, Self Test Function vetouch CO Detector, for Home, Bedroom, Kitchen, RV
    VETOUCH

    VETOUCH Plug-in Carbon Monoxide Detector with Digital Color Display CO Detector for CO, Temperature & Humidity, 85dB Loud Alert, Self Test Function vetouch CO Detector, for Home, Bedroom, Kitchen, RV

    10% Off Limited Time Deal
    8.8
    Very Good

  • 8

    First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
    First Alert

    First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack

    8.7
    Very Good
    Our Rating

  • 9

    Kidde Carbon Monoxide Detector, Plug in Wall with AA Battery Backup, Test-Hush Button
    Kidde

    Kidde Carbon Monoxide Detector, Plug in Wall with AA Battery Backup, Test-Hush Button

    8.5
    Good

  • 10

    FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, CO400, White, 2 Count (Pack of 1)
    First Alert

    FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, CO400, White, 2 Count (Pack of 1)

    8.3
    Good
    Our Rating