Intelligent buildings concept and aspects. Building subsystems; automation, energy management, lighting, communication, life safety and security; hierarchy and their integration with the building envelope; internationally standardized building automation functions. Building automatic control instrumentation. Communication networks in buildings and in automation, standardized solutions (KNX, LonWorks, BACnet, etc) and trends. Open standards in systems integration. Cybersecurity issues in building systems. Programmable logic controllers (PLC) and application specific controllers. Building services automation examples.