Multi-objective optimization design for windows and shading configuration considering energy consumption and thermal comfort: A case study for office building in different climatic regions of China

•The method of combining DesignBuilder and jEplus + EA is proposed.•The best configuration form of windows and shading system is investigated.•Four-objective optimization about energy consumption and thermal comfort is solved.•A typical high-rise office building with large area glass is used as case study.•The research is conducted in four typical climatic regions of China.