The bachelor thesis deals with the energetic evaluation of the building in Brno. It is divided into three parts. Part A focuses on basic definitions and division problematics under applicable laws, decrees, and technical standards. Part B provides a more detailed description of the individual relationships and calculation procedures used to process the parts of the building's energy performance certificate. Furthermore, proposals for measures to improve the energy performance of a building, economic and environmental assessment. Part C contains a description of the object, its construction solution and the specifications of the BS (Institute of Building Services) systems. Furthermore, the calculation of energy needs for individual BS (Insti...