Empirical Validation of Simulation Software with Experimental Measurement of Self Shading Room in Term of Heat Gain

In order for using building simulation tools, validation of building simulation should be evaluated. Integrated Environmental Solution (IES) is an environmental design tool which couples an intuitive 3-dimensional modeling interface with extensive performance analysis function covering different criteria such as day lighting, heat gain and energy. The validity of IES has been investigated by American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) and Chartered Institution of Building Services Engineers (CIBSE) in term of different criteria. The objective of this study is to test IES simulation software in self shading room in term of heat gain through comparison the simulation result with experimental measurement of office room in actual self shading building in Kuala Lumpur Malaysia. Comparative method was used to find out the differences between experimental measurement and simulation result in term of heat gain. Finding of this study reveals that the differences between simulation result and empirical measurement is not more than 10%, It can be concluded IES has enough validity to calculate the amount of heat gain in self shading rooms. Therefore IES can be used for developing the design of self shading buildings especially in pre-design stage of self shading office buildings.