A Sensor Left Open Energy Saver rule can adjust a thermostat’s setpoint or mode if a door, window, or other sensor is left open for a specified duration.

To create a sensor left open energy saver rule using the website: 

1. Log into the website.
2. Click Automation.
3. Find the Sensor Left Open Energy Saver rule and click Configure.
4. In the When any of these sensors, click to select which sensors will be applied to the rule.
5. In Is Left Open for this duration, use the dropdown menus and click to select the thermostat actions for the rule.
6. If desired, click to select Apply to all thermostats to apply the rule to all thermostats on the system.
7. To add notification recipients, click + Add Recipient. 
8. Click to select the desired recipients from the Address Book, or add an unlisted recipient by clicking + New.
9. Click Close.
10. Verify the notification is configured with the correct settings.
11. Click Save.

Note: There is a limit of 32 sensors per Sensor Left Open Energy Saver rule.