I just chatted with google support and their solution is to create a 2nd
home (you can have 5 homes if you sign in with a google account) and
move the subset of devices you want to share into that home. Then share
that home with your son. Hope this h...
I am trying to do something similar to share control of our Nest
thermostat with the renter in our basement apartment (our HVAC system
serves both our living area and the basement apartment). Any help here
would be greatly appreciated!