Nest Protect Review (Expensive, Is It Worth It?)

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Nest Protect on ceilingThe Nest Protect 2nd Generation is one of the best smart smoke detectors and carbon monoxide alarms on the market. Nest Protect is WiFi enabled, so you can receive notifications to your phone.

It includes photoelectric and ionization sensors (called the split-spectrum sensor), which detects both fast-burning and smoldering fires. It’s a bit expensive, but with its dual sensor, carbon monoxide detection and smart technology, is it worth the steep price?

Article Overview

Nest logoView Nest Protect on Amazon

Nest Protect

4.45 / 5
Nest Protect
Customer Service & Reputation 4.5
Pricing 3.3
Installation 5.0
Ease of Use 4.8
Performance 4.8


  • WiFi-enabled detectors send alerts to your smartphone
  • Easy installation
  • Detects fire and carbon monoxide
  • Heat and humidity sensors reduce false alarms
  • Self-tests batteries and sensors
  • Voice alarm
  • Safety lights illuminate your pathway
  • Battery operated units sync together via WiFi
  • Can hush low battery or false alarm from your smartphone app


  • Expensive
  • Warranty is only 2 years
  • Requires more batteries than other top models

Key Features

  • Nest ProtectSplit-Spectrum Sensor uses two wavelengths to detect smoke from fast-burning and smoldering fires
  • Tests itself automatically more than 400 times per day
  • Last up to ten years
  • App alerts
  • App silence lets you hush alarms with your phone
  • Steam from the shower should not alarm Nest
  • No low battery chirps, notifications sent through the app instead
  • Lights up as you walk beneath it to help you see your path
  • Customers state the Nest Protect battery life is more than one year
  • App controls other Nest products like the Nest Cam and Thermostat

Nest Protect Pricing

Nest Protect User Reviews

During the 1950s thru 1970s, it took about 29 minutes for a fire to engulf a room. Today, it takes less than five minutes. It’s extremely important to protect your family and home and be notified of a fire as quickly as possible. Read these customers’ testimonials to decide if Nest Protect is the alarm for you.

Positive Reviews

I have two of the battery smoke alarms in my house and one wired smoke alarm in the hallway. Brilliant piece of hardware. I get a message from the wired smoke alarm when the power is out, all smoke alarms chime together when something is up as well as the phone. Best of all, the smoke alarms check themselves. Best home safety product out there. A+++ – Uncognito, Verizon Wireless 2016

I purchased this because I moved into a home that had a smoke alarm probably from the 50’s. It was gross and I am sure didn’t work. This product looks great and the wireless control from your phone is perfect. It is great to be able to check on the status of your home at any moment. – Kentilsha13, Best Buy 12/18/2017

Negative Reviews

Nest is not customer service friendly. I purchased the Nest Protect and found inside the package it is already 1 year old. I wrote and complained and they stated they would replace it and expedite it. Go with another brand that will actually stand by their product. – inthezone, Best Buy 2/3/2017

After installing them into my 3 group homes found out that you can only monitor 2 homes. You can set up another email account for the third one however the app will only monitor 1 email account. A waste of resources for the third home. The units only communicate with Nest units and doesn’t listen for other smoke detectors in the unit. Steam from the bathroom still sets it off. – PortlandRanch, The Home Depot 12/12/2017

How to Install Nest Protect

The Nest smoke alarm is available wired or battery operated. How do you decide which one you need? If the smoke alarm you are replacing is wired, get the wired 120V option, if it’s battery operated, get the battery operated alarm. Below are two installation videos to show you how easy it is to install these alarms yourself.

Nest Protect (Battery)

Nest Protect (Wired 120V)

Compare Nest Protect Alternatives

View Nest Protect on Amazon

Want to learn more about smoke alarms and carbon monoxide detectors? Before buying the Nest smoke detector, see if a Nest Protect alternative is a better fit for your needs. We’ve got an article dedicated to the best carbon monoxide detectors and another assigned to the best smoke detectors.

Do you think the Nest Protect is worth the extra cost or is it overpriced?

About The Author:

Kimberly received her Bachelor of Arts in multimedia journalism from Simpson College. Her natural curiosity helps her research as she seeks the truth when learning about, comparing and personally testing products and services.

Kimberly has been writing about security and safety since 2013, covering subjects such as home security and automation, identity theft protection, home warranties, medical alert systems and more. In 2018, she had her first child, and that opened up a whole new avenue of security experience with baby gear. She wanted to purchase the safest items for her family.

Security is a passion of hers, and she knows it isn’t a one size fits all category. With every piece she writes, her goal is to help our readers find the best fit for their unique needs.

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I have a nest protect and love it! However when we got a new router it stopped working. Have tried everything including troubleshooting with Nest. It’s a few years old though so might be the software?