Demonstration application of green and efficient air conditioning system and energy-saving and carbon-reduction research during operational phase

Based on a demonstration project in the hot summer and cold winter zone, this paper presents a green and efficient air conditioning system that integrates multiple quality and efficiency enhancement technologies applied in the project and studies its energy-saving and carbon-reduction performance during the annual operational phase. The research results indicate that the various quality and efficiency enhancement technologies applied in an office building in the hot summer and cold winter zone can achieve energy savings of 50% to 70%, resulting in an energy-saving rate of 65% and a CO2emission reduction of 470 kg/m2for the green and efficient air conditioning system.