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Double skin façade (DSF) is a new fabric increasingly used in hot summer and cold winter (HSCW) zone in China. Architecture designers and users have concerned its energy performance. Former scholars have simulated the thermal performance of DSF with different methods, such as CFD and airflow network methods. However, to evaluate the annual energy consumption, a method with good speed and accuracy is needed. In this paper, an improved zonal model validated by experimental data is used to simulate the energy performance of the naturally ventilated DSF for two constructions in HSCW zone. The results show that the naturally ventilated DSF with interior double glass has better thermal and energy performance. Meanwhile, heat gains of several most common-used fabrics in six typical cities of HSCW zone are calculated. The results show that the annual energy demand differences between the DSF and the most thermally insulated fabric (aerated concrete wall with external XPS insulation layer + double glazing window) are generally within 10% except the north orientation. Considering some advantages over the traditional fabrics, such as indoor lighting, visual comfort, the naturally ventilated DSF has good adaptability in HSCW zone in China.

Annual Energy Consumption Evaluation Of Naturally Ventilated Double Skin Façade In Hot Summer And Cold Winter Zone