We implement intelligent management and automation systems in modern buildings through the KNX standard. The primary purpose of installing such systems is significant energy savings, enhanced security, and high comfort in operation. KNX, as a unique protocol and international standard in automation and control, is a technology that allows seamless integration of all elements - from lighting, mechanical systems, heating, ventilation, and cooling to intercom systems, technical security systems, and/or multimedia systems. Depending on the project requirements or investor preferences, the building can be made more or less energy-efficient, secure, comfortable, and aesthetically aligned with the architecture. The advantages of KNX technology are its stability, ease of use, and, most importantly, its virtually unlimited application possibilities.