Double Façade Influence on Heating and Cooling Load: Three Models for Calculation of Interspace Temperature

Heating and cooling load calculations are presented for a double facade building located in South-East Europe. The analyzed construction of a double façade is the one mostly used in building practice: the outside façade is entirely glazed envelope, the inside façade is a combination of windows and walls. The analysis treated different façade orientations. The calculations were performed using three thermodynamic models: the model developed by authors and two models used in practice. The calculations were performed for different orientations of the facades, during sunny and cloudy days in summer and winter conditions, as well as for different glass properties.