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Smoke & Carbon Monoxide Detectors

Compare current offers, price history, and reviews in one place.

Live Market Index Starting from $39.99

Independent Price Index: We continuously scan major authorized retailers including Amazon, Walmart, and Best Buy. Product listings and rankings are determined strictly by live landed price and customer value—never sponsored placement.

Methodology Partners
SimpliSafe - Smoke & Carbon Monoxide Detector - White

SimpliSafe - Smoke & Carbon Monoxide Detector - White

4.8 (30)
$69.99
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Eve - Room Indoor Air Quality Monitor - Silver

Eve - Room Indoor Air Quality Monitor - Silver

4.0 (5)
$109.95
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Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White

Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White

$39.99
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SimpliSafe - Smoke & Carbon Monoxide Alarm Listener - White

SimpliSafe - Smoke & Carbon Monoxide Alarm Listener - White

3.7 (3)
$44.99
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First Alert - Smoke and Carbon Monoxide Detector Hardwired - White

First Alert - Smoke and Carbon Monoxide Detector Hardwired - White

4.3 (130)
$113.99
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First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

4.4 (5)
$64.99
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First Alert - Smoke and Carbon Monoxide Detector Battery Powered - White

First Alert - Smoke and Carbon Monoxide Detector Battery Powered - White

4.4 (109)
$113.99
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Frequently Asked Questions

Find answers to common questions about Smoke & Carbon Monoxide Detectors