Go the Settings, Devices & Integrations and browse over to Sensibo integration. You should be able to control the Tstat from the HA interface.
You can now proceed with installation of Magic Cube Climate Pro Driver. From the drop down menu select Platform: HomeKit Device, click Apply then Install.
You can now proceed with installation of Magic Cube Power Pro Driver. From the drop down menu select Platform: Ecobee, click Apply then Install.