DIN V 18599-2-2016 建筑物的能源效率.采暖,制冷,通風,家用熱水和照明用凈能,最終能源和一次能源的需求計算.第2部分:建筑區加熱和冷卻對凈能源的需求
Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Part 2: Net energy demand for heating and cooling of building zones