Yes, mine have had the C wire hooked up since the start. Unless there's
a problem with the 24v transformer (that supplies the power for the
thermostat) going on and off all of a sudden, I would think it's the
Thermostat. I'd be surprised if it was th...
We have had Nest Thermostats and Smoke/Co2 detectors for several years
and are generally happy with them. However, the Thermostat on our main
level has begun to short cycle our A/C. While running, it will turn off
for about 5 seconds and then restart...