Slide 1

Current energy use in buildings Gerold Muggenhumer Michael Hoflehner

Slide 2

Average energy demand in buildings

Slide 3

Average electricity consumption

Slide 4

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

Slide 5

Current thermal heating demand

Slide 6

Passive house

Slide 7

Heating system distribution in Austria

Slide 8

Home appliances

Slide 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

Slide 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

Slide 11

Current Energy use in buildings

Slide 12

Thank you for your attention