DETERMINATION OF THE OPTIMUM U-VALUE OF THE BUILDING ENVELOPE IN ECOLOGICAL SENSE
DESCRIPTION OF OBJECT:
(fakultative)
TRANSFER OF PAIR OF VARIATES <U’
soll
GREY ENERGY > FROM THE INSULATION SHIFTING PROGRAMM (STEP 1):
PAIR OF VARIATES:
(at least two!)
U’
soll
[W/m
2
K]
GREY ENERGY–
HEATING OIL–
EQUIVALENT [l]
(specifications of minimum)
(additional specifications)
REMARK:
The lowest value U’
soll
should be
0.07 W/m
2
K, and the highest target value
0.43 W/m
2
K
FURTHER DETERMINATIONS:
SERVICE LIFE OF BUILDING
(transfer from step 1)
years
ACCUMULATED INSULATION AREA
(transfer from step 1)
m
2
TRUE INTEREST RATE FOR GREY ENERGY
(Übertrag aus Schritt 1)
%
TRUE INTEREST RATE FOR HEATING ENERGY
%
DEGREE DAYS P.A.
(K
.
d)
input example
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