Google Nest Community

I have had issues for a about 2 months with my top thermostat upstairs not cooling at night. Very random, but it has gotten worse. I am not sure if my damper system is going our to the thermostat is. I am going to start by changing out the thermostat...

My Nest Thermostat's were installed professionally a fews back as part of our electric company program to save electricity. Recently during the night the system would stop working and go from 70 to 78. The thermostat's look to be on in the house by t...