DIN V 18599-2-2016 建筑物的能源效率.采暖,制冷,通风,家用热水和照明用净能,最终能源和一次能源的需求计算.第2部分:建筑区加热和冷却对净能源的需求
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