Standard No.:	GB 20665-2015
Chinese Name:	家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级
English Name:	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
Professional Classification:	F01 Technical management
Professional Classification:	GB National Standard
ICS Classification:	27.010
Issued by:
Issued on:	2015-05-15
Implemented on:	2016-06-01
Status:	VALID
Replace:	GB20665-2006 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating and hot water combi-boilers
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120 (USD)
Delivery:	via email in 1-3 business day

This standard specifies the minimum allowable values of energy efficiency, evaluating values of energy conservation, energy efficiency grade, test methods and inspection rules of the domestic gas instantaneous water heater (including condensing domestic gas instantaneous water heater, hereinafter referred to as water heater) and gas-fired heating and hot water combi-boiler (including condensing gas-fired heating and hot water combi-boiler, hereinafter referred to as heating combi-boilers).
This standard is applicable to the water heater and heating combi-boiler which use fuel gas as the energy only and have a thermal load not greater than 70kW.
This standard is not applicable to the fuel gas positive displacement water heater.
The referred fuel gas in this standard shall meet the requirements of GB/T 13611.

下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB6932—2001 家用燃气快速热水器
GB/T13611 城镇燃气分类和基本特性
GB25034—2010 燃气采暖热水炉
CJ/T336—2010 冷凝式家用燃气快速热水器
CJ/T395—2012 冷凝式燃气暖浴两用炉