A smart thermostat hub and a management platform for controlling and securing smart devices in a multi-family residential property are disclosed. Smart thermostat hubs may bi-directionally communicate with the management platform using a LoRaWAN communication link and communicate with smart devices present within an apartment of the multi-family residential property via a non-LoRaWAN communication link. Smart thermostat hub may provide a gateway or bridge between the management platform and an offline door lock, thereby enabling access credentials for an offline door lock to be disabled from the management platform, and may serve to facilitate remote configuration of other smart devices, such as thermostats and smart light fixtures, for example.