DIN EN 15316-4-2 E:2014
建筑物中的供暖系統和水基冷卻系統 系統能源需求和系統效率的計算方法 第4-2部分：空間供熱發電系統、熱泵系統 草案
Draft Document - Heating systems and water based cooling systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-2: Space heating generation systems, heat pump systems; German version prEN 15316-4-2:...