Investment risk evaluation of existing building energy-saving renovation project for ESCO Benefit evaluation on ESCO driving force for market development of energy-saving building Operational mechanism of comprehensive benefit evaluation of existing building energy efficient renovation project based on value-added life Existing building energy-saving reconstruction market in China: Characteristics and prospect Behavior characteristics and market operation problems of existing building energy-saving renovation market Optimization and implementation strategy of ESCO driving force in the development of energy-saving transformation market of existing buildings Multi-subject and multi-objective integrated optimization system and implementation strategy for energy-saving renovation of the existing residential buildings Game analysis of buildinG enerGy savinG behaviors between Government and developers International government regulatory experience of building energy-saving: A survey CharaCteristiCs and advantages of energy performanCe ContraCting mode for energy saving transformation of existing large publiC building