The paper indicates the concept for the heat-ventilation air-conditioner system,describes its basic key points of design from the design planning,loading calculation of air-conditioners,and ventilation system design,and puts forward the matters needing attention in the design,so as to ensure the design quality of the heat-ventilation air-conditioner system.%简述了暖通空调系统的含义，从设计规划、空调负荷计算、通风系统设计等方面，论述了建筑暖通空调的基本设计要点，提出了在设计中应该注意的问题，以保证暖通空调系统的设计质量。
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