According to the actual situation of high energy consumption, low efficiency universal existed in current domestic commercial building HVAC system, this paper made energy saving analysis and research from cold, heat source selection in air conditioning design, air conditioning system partition and the setting of equipment rooms and other aspects, respectively put forward guidance suggestion, so as to possibly reduce com- mercial building energy consumption.%根据目前国内商业建筑暖通空调系统普遍存在高能耗、低能效的实际情况，从空调设计中的冷、热源的选用、空调系统的分区以及设备间的设置等方面进行节能分析研究，分别提出指导性建议，以尽可能减少商业建筑能耗。
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