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10 Best hardwired smoke detectors of 2026

Save up to 25% off
  • Best Choice

    1

    Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 3 Pack
    Kidde
    9.8
    Exceptional

    Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 3 Pack

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  • Value for Money

    2

    BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack
    BRK
    9.6
    Exceptional

    BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack

  • 3

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
    First Alert
    9.3
    Excellent

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

    • Installation:Quick Connect Plug included
    • Battery Backup:Yes
    • Pack Size:6-Pack
    • Alarm Indicator:Visually identifies initiated unit
    • Interconnect Capability:Hardwire Interconnect

  • 4

    First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack
    First Alert
    9.1
    Excellent

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

  • 5

    Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 20SA10, 3 Pack
    Kidde
    8.8
    Very Good

    Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 20SA10, 3 Pack

  • See Today’s Deals & Prices

  • 6

    First Alert BRK Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack
    First Alert
    8.7
    Very Good

    First Alert BRK Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack

    25% Off

  • 7

    Kidde Smoke Detector, Hardwired with AA Battery Backup, Interconnectable, LED Warning Lights, 85 dB Alarm, 5-inches, 20SAR, 3 Pack
    Kidde
    8.6
    Very Good

    Kidde Smoke Detector, Hardwired with AA Battery Backup, Interconnectable, LED Warning Lights, 85 dB Alarm, 5-inches, 20SAR, 3 Pack

  • 8

    First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack
    First Alert
    8.3
    Good

    First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack

  • 9

    Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, Voice Alerts, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10-V, 1 Pack
    Kidde
    8.1
    Good

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

    • color:White
    • style name:Modern
    • upper temperature range:100 Degrees Fahrenheit
    • item dimensions d x w x h:1.88D x 5W x 5H
    • item weight:0.66 Pounds

  • 10

    SMI100-AC BRK 9120B-6 Hardwired Smoke Detector with Battery Backup, 6-Pack (6)
    BRK
    8.0
    Good

    SMI100-AC BRK 9120B-6 Hardwired Smoke Detector with Battery Backup, 6-Pack (6)

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