Mathematical Modeling of Double-Skin Facade in Northern Area of China

Table 6

The heat and cold load of the building when the building orientation is changed.

Building orientation	External structure (total annual kw⋅h)	The DSF	Low-e hollow glass curtain wall	Concrete-perlites-85
Northward	Heat load	448910	484823	411844
	Cooling load	332721	422651	183458
	Load statistics	781632	907474	595302
Westward	Heat load	441909	483890	411844
	Cooling load	290313	404294	183458
	Load statistics	732222	888185	595302
Southward	Heat load	453853	482445	411844
	Cooling load	325993	442176	183458
	Load statistics	779846	904621	595302
Eastward	Heat load	437379	481554	411844
	Cooling load	315083	413133	183458
	Load statistics	752462	894677	595302