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10 Best smoke alarms of 2026

Save up to 20% off
  • Best Choice

    1

    SITERWELL Smoke Detector, Smoke Alarms 10 Year Battery with Photoelectric Sensor, Portable Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217 Listed, GS525A,12 Packs
    SITERWELL
    Available in: 6 sizes
    9.8
    Exceptional

    SITERWELL Smoke Detector, Smoke Alarms 10 Year Battery with Photoelectric Sensor, Portable Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217 Listed, GS525A,12 Packs

    20% Off
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  • Value for Money

    2

    First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack
    First Alert
    9.6
    Exceptional

    First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack

  • 3

    First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack
    First Alert
    9.5
    Excellent

    First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack

    • product dimensions: 2.2D x 5.6W x 5.6H
    • color: White
    • batteries: 1 9V batteries required. included
    • item weight: 9.6 ounces
    • upc: 029054019387 029054019226

  • 4

    SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm with Magnetic Fastening Kit, Smoke Alarm with Photoelectric Sensor and Low Battery Warning Function for House,UL217 Listed,GS509A,4 Packs
    SITERWELL
    9.3
    Excellent

    SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm with Magnetic Fastening Kit, Smoke Alarm with Photoelectric Sensor and Low Battery Warning Function for House,UL217 Listed,GS509A,4 Packs

  • 5

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
    First Alert
    Available in: 3 sizes
    9.0
    Excellent

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

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  • 6

    Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 1 Pack
    Kidde
    Available in: 2 sizes
    8.9
    Very Good

    Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 1 Pack

    • color: White
    • batteries included: Yes
    • item model number: 30CUD10
    • best sellers rank: 434 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 1 in Smoke & Carbon Monoxide Alarms
    • included components: User Guide, Alarm, Mounting Hardware

  • 7

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
    First Alert
    Available in: 3 sizes
    8.7
    Very Good

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack

  • 8

    First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack
    First Alert
    8.6
    Very Good

    First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack

    • product dimensions:N/A
    • color: 2 Units Sc-9120b
    • batteries: 1 9V batteries required.
    • item weight: 1.34 pounds
    • upc: 716123248617

  • 9

    Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 1 Pack
    Kidde
    Available in: 2 sizes
    8.5
    Good

    Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 1 Pack

    • color: White
    • batteries included: Yes
    • item model number: 30CUA10
    • best sellers rank: 11,884 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 33 in Smoke & Carbon Monoxide Alarms
    • included components: User Guide, Alarm, Mounting Hardware

  • 10

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 3-Pack
    First Alert
    Available in: 4 sizes
    8.2
    Good

    First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 3-Pack

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