Table 3 Relevant parameters involved in this calculation.

From: A study on optimum insulation thickness of building walls in hot summer and warm winter zone in China

Parameters

Value

Electricity Cost ($/kWh)

0.0988

EER

2.3

η

1.9

i

0.014

d

0.05

Life cycle Ne (year)

30

EPS Cost ($/m3)

73

PU Cost ($/m3)

146

XPS Cost ($/m3)

116.8

Back to article page