Performance grades of all aspects of the building.

At present, energy conservation and thermal insulation mainly refers to civil buildings, including residential buildings (houses, apartments) and public buildings. According to different types, "Design Standard for Energy Efficiency of Public Buildings" and "Design Standard for Energy Efficiency of Residential Buildings" apply (different regions have corresponding specifications according to the climate, for example, my region is a hot area in Leng Xia in winter), and there are different floors, different requirements and specifications. You just need to ask the level you must reach in the design.