PAPER TOPICS A．HVAC 1. Building energy demand and energy performance of buildings, systems, and components 2. Air cleaning and filtration for high load and low energy consumption 3. Passive heating, cooling, and renewable energy for buildings 4. Advanced or innovative HVAC&R systems and system components 5. Integration of technologies and tools for HVAC system design and operation 6. Intelligent buildings and advanced control techniques 7. Solar cooling and refrigeration B．Built Environment and Energy 1. Advanced or innovative building envelopes, energy conservation materials, and indoor environmental techniques 2. Cabin and other semi-open space environments and their energy consumption 3. Building ventilation, infiltration, and air distribution 4. Computer tools and experimental techniques for analyzing building energy and built environments assessments 5. Retrofit and optimal operation of the building energy systems 6. Influence of climate change on building energy and environment 7. Public policies related to building energy and environment 8. Simulations and real energy consumption 9. Actual energy consumption of high performance buildings 10. The role of commissioning C．Urban/Indoor Environment and Health 1. Indoor and outdoor air quality and its health impact related to built environment 2. Indoor air quality in urban area with heavy ambient air pollution 3. Health and productivity in indoor environment 4. Indoor and outdoor lighting, lighting control, and visual comfort 5. Thermal comfort and built environments 6. Sustainable and advanced built environments