Seminar on Performance Evaluation of VRF Systems AC Held in Shanghai

China’s nat ional standa rd GB/ T 18837–2002 for VRF systems (heat pumps) came into force on April 1, 2003. Although it was the first national standard on VRF systems in the world, more than 8 years have passed since its enforcement. During this period, many countries have revised their national standards on VRF systems...