1.  Current energy use in buildings Gerold Muggenhumer Michael Hoflehner

2. Average energy demand in buildings

3. Average electricity consumption

4. Total primary energy demand of different buildings kWh/m 2.a

5. Current thermal heating demand

6. Passive house

7. Heating system distribution in Austria

8. Home appliances

9. Home appliances- Comparence of whiteware efficiency under same conditons Fridge: Model A : 0,27 kWh/100l in 24h Model A ++ : 0,17 kWh/100l in 24h EfficiencyAA ++ ProducerMiele ModelK 12010 SK 9252i-1 Energy consumption156 kWh/a98 kWh/a Useful capacity151 l152 l

10. Home appliances- Comparence of whiteware efficiency under same conditons Freezer: Model A + : 0,4 kWh/100l in 24h Model A ++ : 0,26 kWh/100l in 24h EfficiencyA+A+ A ++ ProducerMiele ModelFN 12420 SFN 4493 S Energy consumption277 kWh/a201 kWh/a Useful capacity188 l216 l

11. Current Energy use in buildings

12. Thank you for your attention