Investigation of Energy Consumption for Three Large Commercial Building in Wuhan

Large commercial buildings have their own characteristics,such as complex systems and high energy consumption.In this paper,the investigation and statistic of energy consumption of three large commercial buildings were carried out.Based on the results,the characteristics of energy consumption were analyzed,especially the energy consumption of air conditioning system.The annual energy consumption per unit area of various markets and the proportion of air conditioning energy consumption were obtained.At last,some proposals for energy saving for air conditioning system operation were put forward.