Nest Thermostats

Need help with setup? Troubleshoot common Nest Thermostat problems

Here are some steps I recommend to resolve issues during the setup of Nest Thermostats.Before trying these stepsMake sure you're using the correct app for setup. Need help checking which model you have? Use the Google Home app to set up the following...

Replace older Honeywell chronotherm

My antique chronotherms have separate wires going to clock terminals for the clock in the thermostat. These are in addition to the wires for y, w, & r furnace terminals. my presumption is that these clock wires should be capped, taped and left in the...

Nest Thermostat outer ring not functioning

The outer ring on Nest thermostat generation 2 has stopped working. It goes round but does not change temperature or move through settings etc. Thermostat still operates fully from the app. I have tried a reset and charging battery but didn’t fix.

Aux Heat with Nest and Two Zones

Hi,I recently set up two mirror faced Nests to control two zones on a single heat pump (Carrier 4 ton single stage). The downstairs zone is much larger than the upstairs zone, maybe by a factor of 5ish. The wiring on both Nests is identical, includin...

Help with wires

Hi, I’m curious about the E/W1 cable as there’s one cable going into it and then another cable acting as a bridge from E/W1 to W2

Home power failure - Nest Thermostat won’t reconnect to WiFi

Hi,For those who monitor a remote home with a power failure and their Nest Thermostats don’t reconnect to WiFi. Put this $8 temperature sensor in front of one your cameras that do reconnect to WiFi. It will give you piece of mind that your pipes won’...

Adding second (or more) thermostats to app (TD030 errors)

OK, like lots of folks I have been having the problem of setting up multiple thermostats, and having the extra therms fail to be added to the Nest (or Google Home apps). I had this happen back to back and figured some stuff out. This only applies if,...

Nest data Download what is : min(tp0) max(tp0) min(tp1) max(tp1) min(tp2) max(tp2) min(tp3) max(tp3)

HiI have requested and downloaded .csv nest data, because I wish to know and compare my heating ' on time' to last year, because my energy company says i increased my useage ( I have had 'Smart' meters fitted recently and would like to rule out they ...

Nest Learning Gen 3 Thermostat Mysteriously Adds Heating Setpoints - Mainly Overnight

Problem: The Google Nest Learning Thermostat continues to randomly alter the heating setpoint overnight, typically (but not exclusively) between Midnight (0000 hrs) to 6am (0600 hrs). The number of times when temperature setpoints are altered can var...