[1] Salzburg University of Applied Sciences, Department Smart Building & Smart City, Campus Kuchl, Markt 136a, Kuchl,5431, Austria
[2] Vienna University of Technology, Energy Economics Group, Gusshausstrasse 25-29/370-3, Vienna,1040, Austria
[3] Vienna University of Technology, Institute of Material Technology, Building Physics, Building Ecology, Karlsplatz 13/206/2, Vienna,1040, Austria