DIN V 18599-8-2011 建筑能源效率.加热,冷却,通风,生活热水和照明对净能源,最终能源及一次能源需求的计算.第8部分:加用热水系统净能源和最终能源需求
Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Part 8: Net and final energy demand of domestic hot water systems