Steinbeis-Transferzentrum Energie-, Gebäude- und Solartechnik was established at the Institute of Thermodynamics and Heat Engineering (ITW) at the University of Stuttgart as former work-place of Univ.-Prof. Dr.-Ing. M. N. Fisch. Aim is to provide knowledge transfer between research and practice. Our work focuses on design, planning and realisation of solar-assisted district heating and concepts of efficient energy use.