The data routing in the network is performed by the ZigBee protocol.The sensor nodes are deployed inside the apartments and are battery operated devices. Conversely, the relay nodes are deployed on a landing (one device per floor) in the electrical control unit of the house and, therefore, have a stable power supply.However, these nodes are also equipped with on-board batteries as a backup power supply. The network coordinator is on the ground floor and collects information from the relay nodes and the wireless actuators.