Nest Protect Review: Our Smoke and CO Alarm Experience
Updated: 6 days ago
Quick verdict
★★★★☆ 4/5 — We installed wired Nest Protect alarms in two homes and appreciated their voice announcements, app features, and motion-activated Pathlight. This rating reflects our ownership experience. Google has discontinued Nest Protect, so availability and the remaining service life deserve special attention if you are considering one.
Best for: Households comparing smoke and carbon monoxide alarms, with attention to model age and remaining service life.

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At a glance
Function: smoke and carbon monoxide alarm.
Our version: wired; the existing shopping link is for the battery version.
Convenience: voice announcements and Pathlight.
What I like
Spoken alerts identify the type and location of an alarm.
Pathlight has been useful in our home at night.
We appreciated seeing alarm information in the app.

Before you buy
Check the manufacture date and the unit’s marked replacement date.
Second-generation units require replacement 10 years after manufacture.
Select the correct wired or battery model and follow installation and testing instructions.
As an Amazon Associate I earn from qualifying purchases.
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