GB/T 50378-2019 第5.1.1条
| | The energy efficiency of the cooling and heating source units of the building's heating and air-conditioning system shall not be lower than the provisions of the current national standard "General Code for Energy Conservation and Renewable Energy Utilization in Buildings" GB 55015. For example, for the air-cooled screw heat pump units commonly used in hotels, the COP under nominal cooling conditions shall not be lower than 3.2 (the specific value shall be checked in the table according to the unit type and capacity). |