Verification of Energy Usage Based on Standard Building Model Development of Low-Rise Residential Buildings in South Korea

Table 7

U-values in different years (W/m²k).

Year	Wall	Roof	Ground	Window
1980	1.047	1.047	1.047	3.489
1987	0.582	0.582	0.582	3.489
2001	0.582	0.407	0.582	3.373