Home / Standards / GB/T 26973-2011 GB/T 26973-2011 Active Specification of solar water heating systems assisted with air-source heat pump(for capacity of water tank more than 0.6 m3) 空气源热泵辅助的太阳能热水系统（储水箱容积大于0.6m3）技术规范 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2011-07-19 Implementation 2012-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委