Sets a specified thermostat to heat mode.
ID of the thermostat device that you want to set to heat mode.
Heating set point in °C that you want to set for the thermostat. You must set one of the heating_set_point parameters.
Heating set point in °F that you want to set for the thermostat. You must set one of the heating_set_point parameters.
OK
Tracks the progress of this operation. Poll using the action_attempt_id. See the action_attempt object.