Study on comparison of public building energy codes and standards between foreign countries and China

Summarizes the main types of building energy codes and standards. Presents a comprehensive comparative analysis of outline, development history and current situation, upgrade information of key parameters in building energy codes in Unites States, Denmark, United Kingdom and Japan. Compares the difference of key parameters, such as U-value of opaque envelope, U-value of window, COP and IPLV of heating and cooling devices in public building energy codes and standards between United States and China. Studies the relationship among the building energy saving standard, building efficiency labeling, green building certification, energy saving design guideline, and calculation of carbon dioxide emission. Presents the future upgrading targets of building energy codes and technology roadmaps in different countries.