Before switching from heating to cooling mode, please ensure that your temperature regulation devices are compatible and that you performed all necessary manual actions related to this mode change.
Switching your thermostat from cooling to heating mode is made through your temperature scheduling.
In the Home + Control App, go to the settings and select ;Schedules ;. On the temperature schedule screen, click on the name on top, then select ;Heating ; tab. You can now create a new heating schedule or activate one of your heating schedules.
Please note that switching from cooling to heating mode applies to all connected thermostats in your home.