By taking advantage of object-oriented development tools, build the object model of the SHS-SWTHS (Solar Heating System with Seasonal Water Tank Heat Storage) and its component parts, and develop the simulation software which can be used on the Windows and Android Mobile Platform with the SHS-SWTHS as the research object. In addition, make a case study of the performance and design parameter of the SHS-SWTHS. (C) 2015 Elsevier Ltd. All rights reserved.