ODRAZ – Sustainable Community Development University of Osijek, Faculty of Food Technology Osijek Energy Institute Hrvoje Požar (EIHP) University of Zagreb – Faculty of Mechanical Engineering and Naval Architecture (UNIZAG FSB) Regional Energy Agency North University of Zagreb – Faculty of Civil Engineering RED FORK j.d.o.o. for research and development in biotechnology Deutsch-Kroatische Industrie- und Handelskammer (AHK Kroatien) Croatia Green Building Council Krizevci College of Applied Sciences