You can find more details about your Nest thermostat in the Technical Info menu such as the model, serial number, software version and other important details.
To get to the Technical Info menu on your Nest thermostat:
- Press the thermostat ring to bring up the Quick View menu.
- Turn the ring to Settings and press to select.
- Turn the ring to Technical Info and press to select.
Note: You can also see some of the same information in the nest app by tapping your thermostat on the app home screen, then selecting Settings Technical Info.
There are a few different sections with information about your Nest thermostat's sensors,
your Wi-Fi network, your thermostat's serial and model numbers and much more. Below is a
list of what you'll see on your thermostat.
This is the current voltage of your thermostat’s internal
If your thermostat isn’t receiving enough power to charge the
|Voc Vin Iin||
Voc, Vin, and Iin measure the electrical current sent over your
If there isn't a C wire in your thermostat:
If there is a C wire in your thermostat:
Troubleshooting power issues
If the above power specs are outside of their normal range, you
Here you’ll see the name of the Wi-Fi network your thermostat
The signal strength has a maximum value of 100. A signal strength
You can use the signal strength to help troubleshoot offline issues
Note: If disconnected from Wi-Fi, you’ll simply see “Client not
|Security||This shows you what type of security your Wi-Fi network is
using: WPA, WEP, etc.
|Interface||This tells you the Nest thermostat's Wi-Fi network interface
which is typically “wlan0.”
|Address||This is your Nest thermostat’s network IP address, which is
assigned by your router. You can also see the the thermostat’s
IP address on your Wi-Fi router’s list of connected devices.
|Subnet mask||A subnet mask is used to identify the network location of an IP
address. Most home networks use the default subnet mask
|Router||This is the network IP address of the router that your Nest thermostat
is connected to.
|Address||This is your thermostat’s IPV6 network address, which is used
for Thread communications.
|Prefix length||Similar to an IPv4 Subnet Mask, an IPv6 Prefix length is used to
identify the network section of an IPv6 address.
|Router||This is the IPv6 address of the router that your Nest thermostat
is connected to.
|Name servers||This tells you the address of the Domain Name System (DNS)
server and backup DNS server used by your thermostat.
|Search domains||This is used if your Nest thermostat needs to resolve an
unqualified domain name. If not, you will see “none.”
|Service Environment||Most people will see “production.” If you are participating in the
Nest Field Test program, you will see “ft.”
|Last data upload||The exact date and time of your thermostat’s last automatic
data upload to the Nest service. For more information,
please see our privacy FAQ.
|Last cloud comm||The exact date and time of your thermostat’s last
communication with the Nest service. This syncs your Nest
thermostat and the app so they can show you the same
|MAC address||This is the unique network ID assigned to your Nest
thermostat’s network hardware when it was manufactured.
|Current temp||The current ambient temperature in the room determined from the
Nest thermostat’s internal sensors. The temperature is also
displayed on the thermostat's temperature screen.
|Target temp||The temperature set on the Nest thermostat that the system
system is currently trying to heat or cool to.
|Rel. humidity||The relative humidity in the room measured by the Nest
thermostat’s internal sensors.
This shows status information about the activity and light
Note: A sensor can be working normally and show a reading of
|Equipment sensed on||
This shows which connectors on the Nest thermostat base
Troubleshooting: If the wires listed here don't match what wires
The location name given to your Nest thermostat during setup.
Note: You can change the name by going to Settings Where
This shows the software currently installed on the Nest
|Model||The model number of your Nest thermostat display. This varies
between different models and generations of Nest
|Serial number||Your Nest thermostat’s display has a unique serial number.|
|Device ID||The Nest Thermostat E will list a device ID that’s unique to your
|Unlocked||This lets you see if your Nest Thermostat E is locked or
|Time Zone||The time zone for the Nest thermostat is based on the ZIP code
entered during setup.
This shows the software version installed on the Nest
Note: If your thermostat is connected to Wi-Fi and the internet,
|Model||The model of your Nest thermostat base.|
|Serial number||Your Nest thermostat's base has a unique serial number.|