Google Nest Community

Nest Learning thermostat fails to send Y-1 call, Google won't refund

My Nest Learning thermostat failed less than two months after installation, it stopped activating cooling. Technician confirmed that the thermostat was failing to send a Y-1 call to the condenser while in cooling mode, so the fan ran continuously, bu...

Nest indoor temp 4-5 degrees cooler than old thermostat

I recently installed two Nest thermostats to run our two HVAC systems. During installation, both displayed temps 4-5 degrees cooler than the older thermostats. I expected maybe a degree difference but not 4-5. A/C used to come on at 80, but now it's ...

Zoned system not working on 1 level

We have a brand new house and have a "zoned" system. We replaced the main floor thermostat with a nest and now the upstairs vents do not blow air. Not hot or cold or even just the fan. Was told it may be the nest causing the problem. We can't even fi...

E79 issue

E79 code on nest learning thermostat. Have 24V between red and common. But is says no power to C Wire. I already cleaned and re wired many times and the thermostat still shows the wire but does not show power? What else can be done?

ac fan will not work on auto function

My Nest learning thermostat 2nd generation will not turn on the fan unless I turn it on manually. It is supposed to turn on and off automatically as needed to cool the house. MY HVAC company installed it and has been back out since then but doesn't s...

Compatible

Connect to Google Home to continue setup

I reset the thermostat to correct WiFi disconnected problem. When it restarted, I was instructed to “Continue Setup in Google Home App.” However, when the app searches for my device, it fails. I’ve verified my network is online and working, even rest...

Minimum time increment in thermostat history

I have a unit in a wine cellar that is short cycling. The unit runs for about 10 seconds every few minutes. When I look at the Nest history it always shows the unit as running for 5 minutes, not the several seconds that I observe. I am wondering if 5...

Nest Heatlink

I am yet another one of the many unfortunate people who have bought a Nest 3rd Generation Learning Thermostat for which the Heat Link failed. Given the seemingly number of comments on this product I would have thought a recall or a more painless repl...