一、概况从上世纪八十年代初提出建筑节能,到目前已经历了节能30％和50％两个阶段,如何在节能50％的基础上进一步提高节能率,是形势需要必需研究的新课题。我国从1978年至2000年国民经济总产值翻两番,能源消耗翻一番。能源消耗没有按比例增长的原因,是与抓好节能工作分不开的。十六大提出全面建设小康社会,提 I. Overview From the early eighties of last century put forward architectural energy-saving, has now gone through 30% and 50% energy-saving two stages, how to further improve the energy saving rate of 50% on the basis of the situation needs to be studied a new topic . China's total national output doubled from 1978 to 2000, doubling its energy consumption. The reason for the non-proportional increase in energy consumption is inseparable from the efforts to save energy. The 16th CPC National Congress proposed building an overall well-to-do society