Abstract：

Generally reports the unprecedented grand occasion of the meeting. Summarizes the main subjects discussed in the 15 symposia during the assembly, and offers summaries of opinions expressed in the symposia on heating energy efficiency, energy efficient, environmental protection, health and safe ventilation, air conditioning system with separate control of temperature and humidity and its application, groundsource heat pump technology, groundsource heat pump application, heat metering and room temperature control, biological contamination and VOC control for indoor air, gas combined cooling heating and power supply, air conditioning energy efficiency for existing large public building, air conditioning variable volume technology, new standards for clean air conditioning, air conditioning design for Olympic buildings, multicouple unit technology, building envelope energy conservation in hot summer and cooling winter area, and measured data and statistical data of building energy consumption.