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10 Best hardwired smoke and co detectors of 2025
Save up to 22% off
Best Choice1
SITERWELLSITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 5 Pack
15% Off9.9Exceptional
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Value for Money2
X-SenseX-Sense Hardwired Combination Smoke and Carbon Monoxide Detector, Hardwired Interconnected Smoke and CO Detector Alarm with Replaceable Battery Backup, XP04, 3-Pack
Key specs-
batteries:Yes
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power source:AC
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alarm:Audible
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style:AC Hardwired Model
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sensor:electrochemical, photoelectric
9.8Exceptional
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3
First AlertFirst Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
18% Off9.5Excellent
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4
KiddeKidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 2 Pack
Key specs-
batteries:Lithium Ion
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power source:Hardwired
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alarm:Smoke and Carbon Monoxide Alarm
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style:Modern
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sensor:Photoelectric, Electrochemical
9.4Excellent
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5
KiddeKidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
9.1Excellent
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6
X-SenseX-Sense AC Hardwired Combination Smoke and Carbon Monoxide Detector, Hardwired Interconnected Smoke and CO Detector Alarm with Replaceable Battery Backup, XP06, 1-Pack
21% OffKey specs-
batteries:1 9V included
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power source:AC Hardwired
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alarm:Audible
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style:AC Hardwired Model XP06
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sensor:Electrochemical
9.0Excellent
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7
KiddeKidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators, 30CUA10
10% OffKey specs-
batteries:Yes
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power source:Hardwired
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alarm:Smoke and Carbon Monoxide Detector
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style:Detector
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sensor:Photoelectric, Electrochemical
8.8Very Good
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8
KiddeKidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators
Key specs-
batteries:10-year battery backup
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power source:Hardwired
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alarm:Smoke and Carbon Monoxide Detector
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style:Modern
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sensor:Photoelectric, Electrochemical
8.7Very Good
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9
First AlertFirst Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup
22% OffKey specs-
batteries:1 9V batteries required
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power source:Battery Powered
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alarm:Audible
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style:10-year limited warranty
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sensor:Ionization
8.5Good
Our Rating
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10
First AlertFirst Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
8.4Good
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