Mohaupt, Franziska; Konrad, Wilfried; Kreß-Ludwig, Michael - Deutschland / Umweltbundesamt; Deutschland / … - 2011
The buildings sector accounts for about 40% of final energy consumption in Germany, and by far the largest part of this is due to old buildings. In total, more than 80% of the final energy consumed in households is used for space heating and hot water (Federal Statistical Office 2010)....