美国节能观一瞥在美国，能耗的三分之一被用于建筑取暖与空调，室内环境的状况与能源消耗密切相关。自从１９７４年能源危机以来，美国供暖、制冷空调工程师协会（ＡＳＨＲＡＥ）的专家对世界能源状况与合理利用能源之间的关系进行了一系列研究，并由这个协会组织编写了“... A glance at the concept of the United States energy conservation In the United States, one-third of energy consumption is used for building heating and air conditioning, the indoor environment conditions and energy consumption are closely related. Since the energy crisis of 1974, ASHRAE experts conducted a series of studies on the relationship between the world’s energy status and the rational use of energy.