Impact Analysis of Window-Wall Ratio on Heating and Cooling Energy Consumption of Residential Buildings in Hot Summer and Cold Winter Zone in China

Table 5

Air conditioning operation modes and external window of the bedroom.

Code	B1	B2	B3
Air conditioning operation modes	Mon–Fri 12:00 a.m.–1:00 p.m., 10:00 p.m.–7:00 a.m.; Sat-Sun 12:00 a.m.–1:00 p.m., 11:00 p.m.–8:00 a.m.	Mon–Fri 12:00 a.m.–1:00 p.m.,; 6:00 p.m.–7:00 a.m.; Sat-Sun 12:00 a.m.–1:00 p.m.,; 6:00 p.m.–8:00 a.m.	24 hours
Code	C1	C2
Type of external windows	Hollow glass	Low- glass