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10 Best hardwired smoke detectors of 2026

Save up to 26% off
  • Best Choice

    1

    First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm | SMICO100-AC, 9V Battery Backup
    First Alert
    9.9
    Exceptional

    First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm | SMICO100-AC, 9V Battery Backup

    15% Off
    • Backup:Battery backup
    • Detection Technology:Precision Detection advanced sensing technology
    • Functionality:Smoke & Carbon Monoxide Alarm
    • Warning Feature:Early warning interconnect
    • Weight:0.56 pounds
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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  • Value for Money

    2

    First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack
    First Alert
    9.8
    Exceptional

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

  • 3

    SITERWELL Smoke Detector Photoelectric Smoke Alarm 9V Battery | Hardwired Smoke Detectors Interconnected, Fire Alarms with Test/Silence Button, UL217 Listed Fire Detector,GS562A, 2 Packs
    SITERWELL
    9.6
    Exceptional

    SITERWELL Smoke Detector Photoelectric Smoke Alarm 9V Battery | Hardwired Smoke Detectors Interconnected, Fire Alarms with Test/Silence Button, UL217 Listed Fire Detector,GS562A, 2 Packs

    10% Off Limited Time Deal

  • 4

    First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup, 1-Pack
    First Alert
    9.5
    Excellent

    First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup, 1-Pack

    26% Off
    • Installation Feature:Quick Connect Plug included
    • Interconnect Feature:Early warning interconnect
    • Power Feature:Battery backup
    • Technology:Precision Detection advanced sensing
    • Weight:0.6 pounds

  • 5

    Kidde Smoke Detector, Hardwired & 10-Year Battery Backup , 20SA10, 1 Pack | Wired Interconnect, No Battery Replacement or Low Battery Chirps, LED Status Lights, Ideal for Homes & Apartments
    Kidde
    9.4
    Excellent

    Kidde Smoke Detector, Hardwired & 10-Year Battery Backup , 20SA10, 1 Pack | Wired Interconnect, No Battery Replacement or Low Battery Chirps, LED Status Lights, Ideal for Homes & Apartments

  • See Today’s Deals & Prices

  • 6

    First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup, 6-Pack
    First Alert
    9.3
    Excellent

    First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup, 6-Pack

  • 7

    BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
    BRK
    9.0
    Excellent

    BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

  • 8

    First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack
    First Alert
    8.8
    Very Good

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

    • Installation Feature:N/A
    • Interconnect Feature:N/A
    • Power Feature:Battery Backup
    • Technology:Precision Detection advanced sensing
    • Weight:0.55 Pounds

  • 9

    Kidde Smoke Detector, Hardwired with AA Battery Backup, 20SAR, 1 Pack | Wired Interconnect Capability, LED Status Lights and Loud 85 Db Alarm, Ideal for Homes and Apartments
    Kidde
    8.7
    Very Good

    Kidde Smoke Detector, Hardwired with AA Battery Backup, 20SAR, 1 Pack | Wired Interconnect Capability, LED Status Lights and Loud 85 Db Alarm, Ideal for Homes and Apartments

  • 10

    First Alert Hardwire Smoke Alarm with 10-Year Battery Backup | SMI105-AC
    First Alert
    8.6
    Very Good

    First Alert Hardwire Smoke Alarm with 10-Year Battery Backup | SMI105-AC

    18% Off