What is the lifespan of the Google Nest Protect smoke detector?

The lifespan of the Google Nest Protect smoke detector is generally up to ten years, according to the manufacturer. This is pretty standard for smoke and carbon monoxide detectors since their sensors start degrading after that time. One handy feature of the Nest Protect is that it'll give you a Hea

How often does the Google Nest Protect self-test?

The Google Nest Protect does a self-test every 200 seconds, so it’s always making sure everything’s working right. It's checking up on both the smoke and carbon monoxide sensors and also the batteries. This keeps things running smoothly and gives you a bit of extra peace of mind. Nest Protect is bu

8.4

Overall Score: 8.4/10

Professional:9.5/10

Consumer:7.3/10

📖 Read TLDR Review to learn more →

‎Google

Google Nest Protect

Name: Google Nest Protect
Brand: ‎Google
SKU: B00XV1RD0K
Availability: InStock
Rating: 4.5 (13439 reviews)

$49.95$137.22across 2 retailers

The Google Nest Protect Wired Smoke and Carbon Monoxide Detector offers a comprehensive suite of features, combining advanced sensors, integration with other Nest products, and a sleek design. Though its price and setup complexity may be drawbacks for some, its ability to provide real-time alerts and voice notifications, coupled with automatic self-testing, make it a robust choice for enhancing home safety. If you prefer a wireless option, the battery-powered model might be worth considering for easier installation.

Model: A12Color: WhiteUPC: 854448003730

Lowest at Amazon

$107.07 at Amazon

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$66.00 at VIP Outlet

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Prices last updated: April 20th 2026 2:39 pm

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TLDR Review: Google Nest Protect

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Product Score

Based on professional reviews and customer feedback

8.4/10

Overall

9.5

Expert

7.3

Consumer

Why this score?

The Google Nest Protect achieves a strong overall score due to its advanced safety features, such as real-time alerts via a mobile app and voice notifications that enhance user awareness. However, its higher price point and reports of old stock can detract from overall customer satisfaction, leading to some reservations about its long-term value, particularly given its mandatory expiration after 10 years.

8+ Excellent

6-8 Good

4-6 Average

<4 Poor

Score

9.5/10

Expert

7.3/10

Consumer

Pros

•Provides voice alerts and reaime notifications via the Nest app.
•Features automatic selesting and smart alerts for added safety.
•Equipped with a pathlight feature for nighttime navigation.
•Wi connectivity allows for interconnectivity with other Nest alarms.
•Includes a splipectrum smoke sensor and 10-year electrochemical CO sensor.
•Stylish and sleek design that blends seamlessly with home decor.
•Certified by UL 2034, UL 217, and NFP2 for safety and reliability.

Cons

•Price is on the higher end for smoke and CO detectors.
•Some users reported issues with Wi connectivity.
•Requires occasional manual resets to maintain optimal performance.
•Initial setup can be complex for some users.
•Wirenly model, which may require professional installation for some setups.

Bottom Line

Read full expert review

What Reviewers Are Saying

Praised

self-check feature16%

smart alerts12%

easy installation20%

clear voice alerts16%

pathlight feature12%

Criticized

mandatory expiration12%

old stock20%

high price24%

Wi-Fi connectivity issues12%

not integrated into Google Home app12%

Customer Ratings

4.5

13,439 reviews

79%

Based on 13,439 reviews from Amazon

Professional Reviews

Google Nest Protect Review: A Smart Addition for Safety

bobvila.com·Tom Scalisi

Google Nest Protect Smoke Alarm Review

safewise.com·Rebecca Edwards

Nest Protect Review: One Smart Smoke Detector

tomsguide.com·Mike Prospero

The Google Nest Protect smoke detector is alarmingly good

cnn.com·Christopher Allbritton·3 years ago

Common Questions

Sure! Here’s the text with appropriate paragraph breaks added for improved readability: Yep, the Google Nest Protect works with Google Home. This means you can get alerts about smoke or carbon monoxid...

Read full answer