Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heaters and gas fired heating and hot water combi-boilers
全国能源基础与管理标准化技术委员会(SAC/TC 20)
本标准规定了家用燃气快速热水器(含冷凝式家用燃气快速热水器，以下简称热水器)和燃气采暖热水炉(含冷凝式燃气暖浴两用炉，以下简称采暖炉)的能效限定值、节能评价值、能效等级、试验方法和检验规则。本标准适用于仅以燃气作为能源的热负荷不大于70 kW的热水器和采暖炉。本标准不适用于燃气容积式热水器。本标准所指燃气应符合GB/T 13611的规定。
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