Abstract: Combined with an example of an office project in Shanghai, consider the completion of the project after the completion of the operation and operation methods,research and comparison of air-conditioning cold and heat source using centralized and decentralized two different systems,equipment investment,operating costs,operational management and other aspects of different Characteristics,carried out a comprehensive balance and overall assessment.

Key words: centralized decentralized settings, cold and heat source, power supply plan, running energy consumption