Google Nest Protect Smart Smoke & CO Alarm Review: Tested, Trusted, Recommended

Safety devices such as smoke and carbon monoxide alarms are crucial—but in today’s connected home they’re also expected to be “smart.” The Nest Protect is one of the higher-end entrants in this space. In this review we’ll dig into what it is, how it works, and whether it’s worth the investment. At Tried & True Reviews, our tagline is “Tested. Trusted. Recommended.” Here’s how Nest Protect stacks up.

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Google Nest Protect Smart Smoke and Carbon Monoxide Alarm with glowing blue ring and included cleaning cloth.
The Google Nest Protect Smart Smoke and Carbon Monoxide Alarm — shown here with its signature blue light ring and included cleaning cloth for maintenance.

Source:
Image from Amazon product listing

What is it?

The Nest Protect is a combined smoke and carbon monoxide (CO) alarm device with smart features: voice notifications, app alerts, monthly self-tests, and what’s called a “split-spectrum” sensor intended to detect both fast-burning and smoldering fires. It comes in a battery-operated version (or hard-wired version) and is designed to integrate into a smart-home environment.

Who makes it?

The product comes from Google Nest (formerly Nest Labs), now part of the larger Google ecosystem. Nest introduced the…

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