ARCHITEKTUR IM KLIMAWANDEL - IBA Hamburg

Thermal transmittance
u-value
outside walls/roofs
window elements
Total solar energy transmission
coefficient
g-value
Light transmission
factor
-value
Intensity of illumination
lux
W/m²
1970 ... 1980 1980 ... 1990 1990 ... 2000 2000 ... 2010
W
1.0 - 0.5 ____
m²K
W
2.8 - 3.5 ____
m²K
W
0.5 - 0.3 ____
m²K
W
2.8 - 2.0 ____
m²K
W
0.4 - 0.2 ____
m²K
W
1.6 - 1.2 ____
m²K
W
< 0.2 ____
m²K
W
< 1 ____
m²K
0.6 - 0.3 0.15 - 0.2 0.12 - 0.2 0.06- 0.1
0.8 - 0.85 0.8 - 0.85 0.7 - 0.8 0.6 - 0.7
500 - 750
60
500 - 750
30 - 20
500
12 - 15
< 500
< 10
Outside air volume
per person
m³/h 60 - 80 40 - 60 25 - 40 25 - 30
Heat recovery systems never ever ever ever
Photo-thermal system never infrequent infrequent frequent
Boiler capacity (final
energy) peak
W/m²
Chiller capacity (final
energy) peak
W/m²
Electrical power supply
W/m²
Yearly consumption of
heat energy
kWh/m²a
Yearly consumption of
cooling energy
kWh/m²a
Yearly consumption of
electrical power
kWh/m²a
1970 ... 1980 1980 ... 1990 1990 ... 2000 2000 ... 2010
� 60 � 50 30 - 50 < 15
� 80 � 50 40 - 50 < 38
> 45 45 - 35 25 - 35 < 22
> 100 80 - 60 35 - 60 < 35
> 80 50 - 60 20 - 35 < 15
> 60 60 - 40 35 - 40 < 20
SyMpoSIUMSBEITRäGE
Veränderung von gesetzlichen Vorschriften
65