The Research Of Energy-saving Buildings Cost Management Based On The Theory Of Whole Life Cycle Cost

As the current rapid development of urbanization in our country, the pressure of energy saving and emission reduction is tremendous, the construction industry bears about a third of the pressure of energy consumption. At present the new buildings scale is larger year by year, promoting mandatory energy efficiency target is signficant for energy saving and emission reduction. Energy-saving buildings are different from traditional buildings, the initial construcion cost is higher, but running cost is lower with less energy consumption. To achieve the unity of the whole life cycle cost saving and energy saving target, the whole life cycle cost analysis of energy-saving building is necessary.The arcticle first analyzes and researches the energy-saving buildings and the whole life cycle cost theory, introducing the concep、advantage of whole life cycle management and its influence on the whole life cycle cost, using the whole life cycle cost theory to analyze the method of cost control, cost management working process and measures of cost control in different stages of life cycle, analyzing the energy saving technology in different stages of life cycle. Based on study of the theory, the author proposing own view about the whole life cycle cost analysis theory of energy-saving buildings from aspects of the concep、stage division、cost structure and analytical procedure, setting up the whole life cycle cost estimation model of the energy-saving buildings.The article adopting the method of combination of theoretical research and case study, analyzing the high-rise residential buildings example contrast with the same type ordinary buildings cost calculation. The calculation conclusion is that in the same discount rate, the cost savings range of energy-saving buildings is greater as the life becomes longer; in the same life, the cost savings range of energy-saving buildings is greater as the discount rate smaller, verifying that energy saving buildings have higher initial construction cost than ordinary buildings, but the whole life cycle cost is lower than ordinary buildings, also proving the unity of the whole life cycle cost and energy saving target.