Menu
Search
Advertising Disclosure

10 Best combination gas and carbon monoxide detectors of 2026

Save up to 23% off
  • Best Choice

    1

    Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, Voice Alerts, LED Warning Light Indicators, 2 Pack
    Kidde
    9.8
    Exceptional

    Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, Voice Alerts, LED Warning Light Indicators, 2 Pack

    • Detection Type:Smoke & Carbon Monoxide
    • Battery Life:10 years
    • LED Warning Light Indicators:Yes
    • Voice Alerts:Yes
    • Weight:0.8 Pounds
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
    Careful review Our team ensures quality, value, and fit based on real user feedback
    Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
    Real users impact
    • Thousands of users trust our site daily
    • Based on millions of stores and reviews
    • Shoppers influence our rankings
  • Value for Money

    2

    Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display - 2 Pack
    Kidde
    Available in: 3 sizes
    9.6
    Exceptional

    Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display - 2 Pack

    • color:‎White
    • usage:‎Inside; Professional
    • pattern:‎Detector
    • batteries included:‎Yes
    • item model number:‎KN-COPP-3

  • 3

    Kidde Carbon Monoxide + Explosive Gas, Natural Gas & Propane Alarm, Plug-in with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status Indicators, 3rd Edition
    Kidde
    9.5
    Excellent

    Kidde Carbon Monoxide + Explosive Gas, Natural Gas & Propane Alarm, Plug-in with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status Indicators, 3rd Edition

    • Alarm Signal:85-decibel
    • Battery Backup:9-volt
    • Power Source:Plug-in 120V outlet
    • Peak Level Memory:Records last CO detection or test
    • LED Status Indicators:Included

  • 4

    FIRST ALERT Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CN
    First Alert
    9.3
    Excellent

    FIRST ALERT Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CN

    • color: Gray/White
    • usage:N/A
    • pattern:N/A
    • batteries included: Yes
    • item model number: GCO1CN

  • 5

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack
    First Alert
    Available in: 4 sizes
    9.0
    Excellent

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack

  • See Today’s Deals & Prices

  • 6

    Kidde Carbon Monoxide Detector, Plug-in with AA Battery Backup, Easy-to-Read Digital Backlit Display, 85 dB Alarm, Rotating Plug, LED Status Light Indicators, 5th Edition, COPD
    Kidde
    8.7
    Very Good

    Kidde Carbon Monoxide Detector, Plug-in with AA Battery Backup, Easy-to-Read Digital Backlit Display, 85 dB Alarm, Rotating Plug, LED Status Light Indicators, 5th Edition, COPD

  • 7

    First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
    First Alert
    Available in: 4 sizes
    8.4
    Good

    First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack

    23% Off

  • 8

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack
    First Alert
    8.3
    Good

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack

  • 9

    Kidde Smoke and Carbon Monoxide Detector, AA Battery-Powered, Wire-Free Interconnect, Voice Alerts, LED Status Light 85 dB Alarm, 5-inches, 30CUDR-VRF
    Kidde
    Available in: 2 sizes
    8.2
    Good

    Kidde Smoke and Carbon Monoxide Detector, AA Battery-Powered, Wire-Free Interconnect, Voice Alerts, LED Status Light 85 dB Alarm, 5-inches, 30CUDR-VRF

  • 10

    Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Back-up and Digital Display
    Kidde
    8.1
    Good

    Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Back-up and Digital Display

Similar products on Amazon