Experiment and Simulation Study on the Amorphous Silicon Photovoltaic Walls

Table 3

Comparison of the annual building heating and cooling energy consumption between different models.

Energy	Nonventilated PV wall model		Ventilated PV wall model		Normal wall model
	Heating	Cooling	Heating	Cooling	Heating	Cooling
Electricity (kWh/m^2)	0	333.57	0	327.54	0	326.09
Natural gas (MJ/m^2)	35.65	0	43.04	0	51.30	0
Total (MJ/m^2)	1236.52		1222.17		1225.21