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10 Best hardwired smoke detectors of 2026
Save up to 35% off
Best Choice1
BRK9.8Exceptional
BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack
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Thousands of users trust our site daily- Based on millions of stores and reviews
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Value for Money2
Kidde9.5Excellent
Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 20SA10, 3 Pack
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3
First Alert9.4Excellent
First Alert BRK SMI100-AC Hardwired Smoke Detector with Battery Backup, 6-Pack
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product dimensions: 2.2D x 5.6W x 5.6H
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color: White
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batteries: 1 9V batteries required. included
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item weight: 9.6 ounces
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upc: 029054019387 029054019226
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4
9.1Excellent
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
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5
9.0Excellent
SITERWELL Smoke Detector, Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, UL217-10th Listed, GS562A, 4 Packs
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6
First Alert8.9Very Good
First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack
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product dimensions: 1.9D x 5.6W x 5.6H
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color: White
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batteries: 1 9V batteries required. included
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item weight: 3.48 pounds
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upc:N/A
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7
8.8Very Good
SITERWELL Smoke Detector, Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, UL217-10th Listed, GS562A, 6 Packs
20% Off
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8
First Alert8.6Very Good
First Alert Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 6-Pack
35% Off
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9
First Alert8.5Good
First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack
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product dimensions:N/A
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color: 2 Units Sc-9120b
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batteries: 1 9V batteries required.
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item weight: 1.34 pounds
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upc: 716123248617
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10
Kidde8.4Good
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 2 Pack
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