In the 2009 Copenhagen conference, China had promised that compared to 2005, there will be a 40% to 45% decreasing of per unit GDP of greenhouse gas emissions by 2020. It is predicted that building energy consumption will take 40% of total energy consumption of the society by 2020, and residential buildings account for the largest proportion: 70% in general. Therefore, an effort of actively exploring means to decrease community’s building energy consumption and reduce carbon emissions will make a significant contribution to this goal. In this thesis, we studied on the several means of reducing carbon emissions, proposed appropriate ways of reducing carbon emissions, and we draw conclusions by experiencing on the real projects with calculated and validated the actual carbon reduction.
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