
- Model number. Open Nest app on your phone. Tap protect at the bottom. Click on the settings icon and then select the nest protect you want to check.
- Serial number. Starts with 05 for 1st generation and 06 for 2nd generation.
- Back plate. Square shape for 1st generation and round shape for 2nd.
- Side / Edge. Straight edges for 1st and Round edges for 2nd generation.
- Back side. For 2nd gen Nest protector, there is battery compartment door at the back side and it does not have in 1st gen.
- Smoke chamber. Smoke sensors are located in a smoke chamber. Smoke chamber protects sensors from up to a certain degree.
- Testing ability. You should test the smoke alarms frequently to make sure that the sensors and the speakers are working perfectly.
- Silent alarm. In case you need to silent alarm like when you are cooking dinner pressing the stop button manually on the protect for 1st gen.
...
How to tell which Nest Protect you have.
1st gen | 2nd gen | |
---|---|---|
Look at the side | Straight edges | Rounded edges |
Look at the design differences without taking your Nest Protect off the ceiling or wall. The most obvious physical difference is the rounded profile of the 2nd gen Nest Protect compared to the square profile of the 1st gen. |
What are the features of the 2nd Gen Nest Protect?
The 2nd gen Google Nest Protect features an exclusive Split-Spectrum smoke sensor and a microphone that enables complete Self-Monitoring if you forget to manually test it. It also has other sensors that detect temperature, humidity, occupancy, and ambient light.
Does the Nest Protect have a split-spectrum sensor?
The 2nd Generation Nest Protect Has a Better Smoke Sensor Perhaps one of the most significant improvements the 2nd-generation Nest Protect has over the previous generation is a “ split-spectrum sensor,” as Nest calls it. There are two types of smoke sensors that you’ll find in any smoke alarm: photoelectric and ionization.
How do I know what generation my Nest Protect is?
Unfortunately, Nest doesn’t print “1st Generation” or “2nd Generation” on the packaging or on the device itself, so you have to look for other cues instead. Luckily, there are plenty of them. Nest has a support page for just this thing, but essentially you can look at the design of the Nest Protect itself to determine what version it is.
How do I find the model number of my nest alarm?
Model Number Open the Nest app on your phone and tap Protect at the bottom, tap the Settings gear at the top followed by the alarm you’re interested in, and then go to Technical Info. If it says your model is Topaz-1.x then you have a First Generation, while Topaz-2.x denotes the Second Generation alarm.

How do I know what generation Nest Protect I have?
You can also just quickly glance at the serial number. If it starts with a “05,” you have a 1st-generation Protect, and if it starts with a “06,” you have a 2nd-generation model.
What is the difference between Nest Protect 2nd and 3rd generation?
Nest 3 has a higher resolution screen than the Nest 2. The Nest gen 2 does not support Bluetooth or WiFi 5Ghz; Nest gen 3 supports both. Nest 3rd generation has safety alerts and Farsight; Nest 2nd generation does not. Nest 3 has five more sensors than the Nest 2.
When was Nest Protect 2nd generation released?
June 17, 2015On June 17, 2015, Nest launched a new version of the Nest Protect (officially termed the "second generation").
What Nest product do I have?
In the Nest app Select your thermostat on the app home screen. Select Technical info. Refer to the numbers next to the “Display model” of your thermostat.
Is there a 3rd gen Nest Protect?
"Nest Protect 3rd Generation Smoke Detector"
What is the difference between Google Nest 1st and 2nd generation?
Price and conclusion The Google Nest Hub 2 offers an identical design to its predecessor, but makes improvements on the hardware and feature side of things. The audio quality is said to have improved and features like gesture controls and sleep tracking should make an already great device, even more useful.
Is Nest Protect being discontinued?
Google Is Finally Killing This Maligned Product Google is discontinuing its Nest Secure alarm system after three years and tons of controversy. Visitors to the Google Store this week hoping to update their home alarm system will be disappointed—Google has just discontinued its Google Nest Secure alarm system.
Should I migrate my Nest account to Google 2021?
Moving to a unified Google Account will give Nest users the benefit of a single account, seamless experiences, and the ability to align homes and home members across the Nest and Google Home apps. We strongly recommend account migration to Google for all of our users.
How do you update Nest Protect?
Your Nest Protect will automatically download the latest software if it's connected to the internet. You don't need to do anything. Software updates are rolled out gradually, and usually take a few weeks to make it to all Nest Protects. This is to make sure that the process goes smoothly for all our customers.
When did nest 3rd generation come out?
September 1, 2015Specifications - North American versionsModelRelease DateNest Thermostat 2nd GenerationOctober 2, 2012Nest Thermostat 3rd GenerationSeptember 1, 2015Nest Thermostat EAugust 31, 2017Nest Thermostat G4CVZOctober 12, 20201 more row
What is the nest 3rd generation model number?
Best Buy: Google Nest Learning Thermostat 3rd Generation Black T3016US.
Does Nest sensor work with 2nd generation?
The Nest sensor only works with 3rd generation Nest Thermostat and is not compatible with 2nd generation or 1st generation Nest thermostat.
When did nest 3rd generation come out?
September 1, 2015Specifications - North American versionsModelRelease DateNest Thermostat 2nd GenerationOctober 2, 2012Nest Thermostat 3rd GenerationSeptember 1, 2015Nest Thermostat EAugust 31, 2017Nest Thermostat G4CVZOctober 12, 20201 more row
Is there a 4th generation Nest thermostat?
Nest, one of the best know smart thermostat manufacturers, has just released its new 4th generation Nest Thermostat. With a new look and some big changes, is this the time to bring a smart but pricey thermostat into your home?
What is the difference between Nest thermostats?
The Nest Thermostat E has a frosted display that only shows the indoor temperature. The Nest Thermostat works with 95 percent of homes. The Nest Thermostat E works with 85 percent of homes. The Nest Thermostat has a metal ring and comes in multiple colors.
How many different Nest thermostats are there?
The table below summarizes the specifications and features of all three models. Below the table is an explanation of differences between Learning Thermostat 2nd Gen and 3rd Gen and between the Learning Thermostats and Nest Thermostat E.
What is the 2nd generation Nest Protect?
An Improved Smoke Chamber. The 2nd-generation Nest Protect also offers an improved smoke chamber over the previous generation. Smoke alarms have smoke chambers that cover and protect the smoke sensors to a certain degree. However, many are still prone to letting in small bugs or fibers that can accidentally trip the smoke sensor ...
What is the 1st generation of Nest smoke alarm?
RELATED: What You Need to Know About Smoke Alarms. The 1st-generation Nest Protect has a basic photoelectric sensor. The 2nd-generation model still only has a photoelectric sensor, but Nest says that it’s greatly improved so that it can detect other types of fires that ionization sensors normally detect, getting rid of the need to have two separate ...
Is Nest Protect a second generation smoke alarm?
The Nest Protect smart smoke alarm is on its second generation, and if you’re not sure which model you have, there are a few things you can do to find out, as well as some significant features that separate the two different versions.
Can you control Nest Protect 2nd generation?
While both generations let you manage your Nest Protect from the Nest app on your phone , you have a couple more options for controlling your 2nd-generation Nest Protect. In addition to being able to run a Safety Checkup right from your phone (instead of having to press the button on the device itself), you also can silence ...
Does Nest have a 1st generation?
Unfortunately, Nest doesn’t print “1st Generation” or “2nd Generation” on the packaging or on the device itself, so you have to look for other cues instead. Luckily, there are plenty of them.
Is the Nest 2nd generation smoke detector better than the previous generation?
Perhaps one of the most significant improvements the 2nd-generation Nest Protect has over the previous generation is a “ split-spectrum sensor ,” as Nest calls it . There are two types of smoke sensors that you’ll find in any smoke alarm: photoelectric and ionization.
What is the 2nd gen Nest Protect?
The 2nd gen Google Nest Protect features an exclusive Split-Spectrum smoke sensor and a microphone that enables complete Self-Monitoring if you forget to manually test it. It also has other sensors that detect temperature, humidity, occupancy, and ambient light.
What does occupancy sensor do on Nest?
Occupancy sensor detects when you are walking under Nest Protect to turn on Pathlight and light your way in the dark. And if you have a Google Nest Learning Thermostat, the occupancy sensor also helps your system switch to Eco Temperatures, so you can save energy while you’re gone.
What is a split spectrum fire detector?
Split-Spectrum Sensor uses two different kinds of light to detect smoke from a wide range of fires, including both fast-flaming and slow smoldering fires, a first for home smoke and CO alarms. Learn more about the Split-Spectrum Sensor.
How to check if a Nest phone is 2nd generation?
Open Nest app on your phone. Tap protect at the bottom. Click on the settings icon and then select the nest protect you want to check. Then go to Technical info. If it is showing model Topaz-1. × x that means it is 1st generation and if it is model Topaz-2. × x that means 2nd generation.
What is Nest Protect?
Nest Protect is a smart home appliance, which helps to detect smoke and carbon monoxide in residential environment. It is a product of Google LLC. Nest Protect can be a part of your smart home and make things sorted, if you are in hurry. Nest Protect detects carbon monoxide smoke, which is a huge accomplishment. Carbon monoxide does not have any smell. So, it is impossible to detect the presence of it, unless detected by a smart device. You can control Nest Protect from your smartphone, and you won’t need any extra hardware. The set up is quite simple. Nest Protect can even detect slow fire, and can be used in single or multiple stations.
Can you use Nest Protect 2nd gen?
You can use the second-gen Nest Protect even if you don't have Wi-Fi (or temporarily lose your Wi-Fi connection for some reason). Whether or not you have Wi-Fi, the Protect unit will issue a loud warning if it senses increasing smoke or CO levels (specifically, it will flash yellow/orange and say, "Heads up.
Does Nest smoke detector work?
Many consumers will still happily settle for the $25 puck of white plastic that functions as the traditional smoke detector. Like its predecessor, the second-generation Nest Protect elevates the aesthetic of the standard issue detector, but its balances that appeal with a set of connected features that let you control the Protect remotely via your mobile device or your account on the Nest Web page.
