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U.S. Department of Energy
Office of Scientific and Technical Information

Energy efficiency in Chinese apartment buildings: parametric runs with the DOE. 2 computer program

Conference ·
OSTI ID:6485112
Using a typical-design uninsulated Beijing apartment building as a base case, we have used the DOE.2 energy analysis program to study the cost-effectiveness of more energy-efficient building design. Two measures have attractive simple payback times: reduced infiltration (one to two years payback) and insulation of the north wall (six years). The cost of conserved coal for the insulation measure is 1.3 Yuan/GJ, which is less than half the international price of coal. This insulation adds only 0.6% to the first cost of the building, yet, combined with more attention to infiltration, it reduces annual heat load from 230 MJ/m/sup 2/ to 130. The first cost of these two measures is probably offset by downsizing the heating plant. In Shanghai, reduced infiltration and insulation are justified not on the basis of saving fuel, but because they make the dwellings much more comfortable.
Research Organization:
Lawrence Berkeley Lab., CA (USA)
DOE Contract Number:
AC03-76SF00098
OSTI ID:
6485112
Report Number(s):
LBL-15183; CONF-821121-3; EEB-82-3; ON: DE83008253
Country of Publication:
United States
Language:
English