Civil Engineering Reference
In-Depth Information
Table 17 Norm thermal insulation global coef
cients, G (W/m
3
K), for residences
No. of stories
A/V (m
2
/m
3
)
G (W/m
3
K)
A/V (m
2
/m
3
)
G (W/m
3
K)
No. of stories
1
0.8
0.77
4
0.25
0.46
0.85
0.81
0.3
0.5
0.9
0.85
0.35
0.54
0.95
0.88
0.4
0.58
1
0.91
0.45
0.61
1.05
0.93
0.5
0.64
>1.1
0.95
>0.55
0.65
2
0.45
0.57
5
0.2
0.43
0.5
0.61
0.25
0.47
0.55
0.66
0.3
0.51
0.6
0.7
0.35
0.55
0.65
0.72
0.4
0.59
0.7
0.74
0.45
0.61
> 0.75
0.75
> 0.50
0.63
3
0.3
0.49
>10
0.15
0.41
0.35
0.53
0.2
0.45
0.4
0.57
0.25
0.49
0.45
0.61
0.3
0.53
0.5
0.65
0.35
0.56
0.55
0.67
0.4
0.58
>0.6
0.68
> 0.45
0.59
A envelope area, V heated volume [
8
]
Fig. 16 Hot water consumption for 1995
-
1996 [
1
]
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