DIN EN 17423-2021 建筑的能源性能. 初级能源因素(PEF)和 CO2 排放系数的确定和报告. 通用原则,模块M1-7; 德文版 EN 17423-2020
Energy performance of buildings - Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient - General Principles, Module M1-7; German version EN 17423:2020
Reporting of the choices related to the procedure to determine Primary Energy Factors and CO2 Emission factors for energy delivered to or exported by the buildings used in EN ISO 52000-1 (annex A / B).