Dresden University of Technology, Andreas-Schubert-Bau, Energetic refurbishment (overall renovation) of the main building (teaching and laboratory area), crack renovation of the concrete facade and application of a high-performance insulating plaster suitable for heritage purposes; Renewal of windows and sun protection systems; Refurbishment of the roof skin of the main building by dismantling the roofing and rebuilding including thermal insulation of the top floor ceiling and the flat roof; Construction of a photovoltaic system on the roof of the main building; Conversion of lighting to LED technology