The article describes the development status of building energy saving, analyzes several important energy saving calculation control pa-rameters, combined with the engineering example of energy saving calculation to attest energy saving control parameters’ influence on building energy saving, so as to achieve the economic means to promote building energy efficiency.%阐述了建筑节能的发展现状，分析了节能计算中几个重要的节能控制参数，并结合工程实例进行了节能计算，验证了节能控制参数对建筑节能的影响，从而达到以最经济的手段提高建筑物节能效率的目的。
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