DIN V 18599-8-2005 建筑物能效.加热、冷却、通风、家用热水和照明用净能量、最终和最初能量需求的计算.第8部分:家用热水系统的净能量和最终能量需求
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