An update on my side. Google sent me first a new thermostat. That didn't
change anything. They told me it was my WiFi, it wasn't, but I setup a
whole separate network to prove that it was not the WiFi somehow
magically causing it to drain the battery...
I'm having this exact same issue as of recent. Google sent me a
replacement thermostat and it's doing the same exact thing already after
one day. I have a heat pump with no C wire going to the thermostat. It
worked perfectly for a year and a half, bu...
