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I am an existing Smart Si / Smart customer and purchased an ecobee3. How do I add ecobee3 to my existing account?

I am an existing Smart Si / Smart customer and purchased an ecobee3. How do I add ecobee3 to my existing account?

To add ecobee3 to your existing account, please follow the steps below:

  1. Log into your existing account
  2. Select “Add Thermostat” Widget
  3. An option to add ecobee3 will be available*
  4. Follow the steps to register your ecobee3

* Upon adding ecobee3 you will be upgraded to the new web portal experience.
* If you do not see an option to add ecobee3 in the “Add Thermostat” widget, you will not be able to use your existing account to add an ecobee3. You will have to create a new account for ecobee3. If you would like further clarifications please call  ecobee support

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