How do you create custom rules for the ecobee thermostat? MyPlace Customer Support November 30, 2018 17:57 Follow In the app menu, select "Create Rules." Select "Add Rules." Under If, select your device. Under Then, select your event. Under That, select your action. Select "Save." Related articles What are some example rules for the ecobee thermostat? Comments 0 comments Please sign in to leave a comment.