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#3 in Carbon Monoxide DetectorsBest Value
Google Nest Protect
$109.00 – $129.00
Smart smoke and CO combo detector that sends phone alerts, speaks in a human voice to tell you the type and location of danger, and self-tests its sensors automatically. The split-spectrum sensor detects both fast-burning and smoldering fires alongside CO.
9.0
Excellent
Consensus
Don't buy this if…
- The Nest Protect has a 10-year sealed battery lifespan; it cannot be battery-replaced and the entire unit must be discarded after 10 years.
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