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The Potential of Opaque Adaptive Façade for Office Building in A Temperate Climate

A large amount of non-renewable resources is used in buildings. A façade, as an interface between the internal and external environment, has crucial impacts on the energy demand and of the indoor environmental quality in a building. Adaptive façade technologies represent a valuable opportunity to reduce the impact of energy use in buildings while improving the environmental quality. This paper presents the implementation of an inverse method to evaluate the potential of adaptive insulation materials. The method is implemented within a bespoke tool that combines multi-objective optimisation coupled with building performance simulation (BPS). A possible configuration of an adaptive insulation wall is proposed, adopting an actively controllable thermal transmittance on the outer and inner surface of an opaque construction. The energy saving and thermal comfort improvements of adopting the adaptive insulation is evaluated with a south-oriented reference cellular office room in a temperate climate. It is found that the proposed adaptive insulation construction could save 25-35% of energy, and improve the indoor thermal comfort by 40-60%, compared to static insulation solutions. This method and the bespoke tool are also useful for evaluating the performance of other adaptive technologies.