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10 Best smoke carbon monoxide alarms of 2026

Save up to 23% off
  • Best Choice

    1

    X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07, 3-Pack
    X-Sense
    9.8
    Exceptional

    X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07, 3-Pack

    13% Off
    • color:‎White
    • pattern:‎Smoke Alarm
    • batteries included:‎Yes
    • item model number:‎SC07
    • best sellers rank:#2,222 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #9 in Smoke & Carbon Monoxide Alarms
  • 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

    X-Sense Smoke Detector and Carbon Monoxide Detector, SC01, 1-Pack
    X-Sense
    9.7
    Exceptional

    X-Sense Smoke Detector and Carbon Monoxide Detector, SC01, 1-Pack

    • color:N/A
    • pattern:N/A
    • batteries included:N/A
    • item model number:SC01
    • best sellers rank: 10 in Smoke & Carbon Monoxide Alarms

  • 3

    X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07, 1-Pack
    X-Sense
    9.4
    Excellent

    X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07, 1-Pack

    12% Off
    • color: White
    • pattern: Smoke Alarm
    • batteries included: Yes
    • item model number: SC07
    • number of items: 1

  • 4

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm
    First Alert
    9.3
    Excellent

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm

  • 5

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm
    First Alert
    9.2
    Excellent

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm

    • color:‎White
    • pattern:‎SMICO100
    • batteries included:‎Yes
    • item model number:‎SMICO100
    • best sellers rank:#2,496 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #12 in Smoke & Carbon Monoxide Alarms
  • See Today’s Deals & Prices

  • 6

    First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
    First Alert
    9.1
    Excellent

    First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm

    • color: White
    • pattern: 2nd Generation
    • batteries included: Yes
    • item model number: SMICO100-AC
    • best sellers rank: 817 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 3 in Smoke & Carbon Monoxide Alarms

  • 7

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm
    First Alert
    9.0
    Excellent

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm

    • color:‎White
    • pattern:‎SMCO100
    • batteries included:‎Yes
    • item model number:‎SMCO100
    • best sellers rank:#1,255 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Smoke & Carbon Monoxide Alarms

  • 8

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm
    First Alert
    8.9
    Very Good

    First Alert Battery Combination Smoke & Carbon Monoxide Alarm

    • color: White
    • pattern: SMCO100
    • batteries included: Yes
    • item model number: SMCO100
    • best sellers rank: 3,302 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 19 in Smoke & Carbon Monoxide Alarms

  • 9

    Kidde Smoke & Carbon Monoxide Detector, AA Battery-Powered, 30CUDR, 3 Pack
    Kidde
    8.7
    Very Good

    Kidde Smoke & Carbon Monoxide Detector, AA Battery-Powered, 30CUDR, 3 Pack

  • 10

    First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm
    First Alert
    8.6
    Very Good

    First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm

    23% Off
    • color: White
    • pattern: SMCO210
    • batteries included: Yes
    • item model number: SMCO210
    • best sellers rank: 905 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 6 in Smoke & Carbon Monoxide Alarms