NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB 37480-2019
Minimum allowable values of energy efficiency and energy efficiency grades for low ambient temperature air source heat pumps(water chiller) packages 低环境温度空气源热泵(冷水)机组能效限定值及能效等级
Issued Date:2019
Implemented Date:2020-5-1
Issued by:
The Standardization Administration of the People's Republic of China