Institut für Wärmetechnik TU Graz Development of residential energy consumption In Czech Republic and Austria Wolfgang Streicher Institut für Wärmetechnik, TU Graz Inffeldgasse 25B A-8010 Graz Tel:

Institut für Wärmetechnik TU Graz Total number of Buildings and Dwellings in Austria Quelle: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Number of non-residential buildings and their dwellings in Austria Quelle: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Number of Buildings and Dwellings in Austria Source: www.statistik.austria.at Quelle: Statistik Austria, (2004)

Institut für Wärmetechnik TU Graz Housing and dwelling stock Housing and dwelling stock is about the same size in Austria and the Czech Republic. 4,3 Million dwellings in the Czech Republic 3.8 million dwellings in Austria

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian households Quelle: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian dwellings per building type Source: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian dwellings per building age, all buildings Source: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian dwellings per building age, buildings with 3 – 10 flats Source: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian dwellings per building age, buildings with 11 or more flats Source: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Heat delivery systems in Austrian dwellings per building age, non-residential buildings Source: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Energy carriers in Austrian households Quelle: Statistik Austria, (2005)

Institut für Wärmetechnik TU Graz Energy demand of buildings

Institut für Wärmetechnik TU Graz Space heating energy demand buildings in Austria Source: own calculations

Institut für Wärmetechnik TU Graz Specific space heating energy demand buildings in Austria Source: own calculations

Institut für Wärmetechnik TU Graz Specific space heating energy demand of single (SFH) and multi family buildings (MFH-K : small, MFH-G great) in decpendence of year of errection in Austria Quelle: Jungmeier, et al. (1996)

Institut für Wärmetechnik TU Graz Type of fuel used in all Austrian dwellings Source: Statistic Austria

Institut für Wärmetechnik TU Graz Type of fuel used in Austrian multi famly buildings with 3 – 10 dwellings Source: Statistic Austria

Institut für Wärmetechnik TU Graz CO 2 -emissions from space heating of dwellings in Austria Source: own calculations

Institut für Wärmetechnik TU Graz CO 2 -emissions from space heating of dwellings in Austria Source: own calculations

Institut für Wärmetechnik TU Graz Austrian CO 2 -equivalent emissions reduction goal for the heating energy demand of buildings Quelle: BMLFUW (2005)

Institut für Wärmetechnik TU Graz CO 2 -equivalent emissions from the residential sector (Raumwärme Haushalte) and other small use in Austria Quelle: BMLFUW (2005)

Institut für Wärmetechnik TU Graz Trendscenario of thermal renovation and fuel switch of all Austrian dwellings (basic data from Statistik Austria, 2001) Source: own calculations

Institut für Wärmetechnik TU Graz Trendscenario of thermal renovation and fuel switch for Austrian single family houses (basic data from Statistik Austria, 2001) Source: own calculations

Institut für Wärmetechnik TU Graz Buildings with renovation measures by owner Source: Statistic Austria

Institut für Wärmetechnik TU Graz Buildings with renovation measures by owner Source: Statistic Austria