Potential for Energy Conservation in China's Commercial Buildings Energy Consumption is Much Higher than International Norms 188 kwh/m2.a in Beijing 135 kwh/m2.a in Japan Big Difference among Similar Buildings energy audits for 16 luxury hotels in Beijing highest energy consumption intensity is three times the lowest Big Difference between Reality and Potential bad management,lack of automatic systems,and design failuresPotential for Energy Conservation in China’s Commercial Buildings Energy Consumption is Much Higher than International Norms 188 kwh/m2a in Beijing 135 kwh/m2a in Japan Big Difference among Similar Buildings energy audits for 16 luxury hotels in Beijing highest energy consumption intensity is three times the lowest Big Difference between Reality and Potential bad management, lack of automatic systems, and design failures