Abstract

The economical analysis of heating/cooling sources for ecological building using renewable energy was mainly discussed. Firstly, the application patterns of natural resources which used in heating and air conditioning system for ecological buildings were generalized, then the famous AHP method was introduced into the decision-making process of scheme selection of heating/cooling sources for an ecological residential district, while the economic evaluation indexes which related to energy conservation and environmental protection were adopted to compare and analyze the economic technology. At last, a computer program that based on AHP method was established to simplify the process of calculation and improve the work efficiency. Based on saving energy and environment protection, it is shown that using of renewable energy in the ecological buildings can get visible economic efficiency, energy-saving efficiency and environmental efficiency. Energy is the basis of the human survival and development, because of the limited of the energy and the pollution of the environment, how to use the renewable energy, which is harmony with the survival environment becomes more and more important, so the definition of the ecological building is born. City Sustainable Development is final goal which people purse for, so renewable energy becomes more and more popular. In this paper, the economical efficiency of energy use in heating and air conditioning system for ecological buildings were discussed. Firstly, the application patterns of natural energy resources were generalized. Secondly, the famous AHP method was introduced into the decision-making process of scheme selection of heating/cooling sources for an ecological residential district. Thirdly, based on saving energy and environment protection, a computer program that based on AHP method was established to simplify the process of calculation and improve the work efficiency. It is shown that using of renewable energy in the ecological buildings can get visible economic efficiency, energy-saving efficiency and environmental efficiency. II. THE APPLICATION PATTERNS OF RENEWABLE RESOURCES USED IN HEATING/COOLING RESOURCE FOR ECOLOGY BUILDINGS

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