Investigating the potential of a novel low-energy house concept with hybrid adaptable thermal storage

P. Hoes, M. Trcka, J.L.M. Hensen, B. Hoekstra Bonnema

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In conventional buildings thermal mass is a permanent building characteristic depending on the building design. However, none of the permanent thermal mass concepts are optimal in all operational conditions. We propose a concept that combines the benefits of buildings with low and high thermal mass by applying hybrid adaptable thermal storage (HATS) systems and materials to a lightweight building. The HATS concept increases building performance and the robustness to changing user behavior, seasonal variations and future climate changes. Building performance simulation is used to investigate the potential of the novel concept for reducing heating energy demand and increasing thermal comfort. Simulation results of a case study in the Netherlands show that the optimal quantity of the thermal mass is sensitive to the change of seasons. This implies that the building performance will benefit from implementing HATS. Furthermore, the potential of HATS is quantified using a simplified HATS model. Calculations show heating energy demand reductions of up to 35% and increased thermal comfort compared to conventional thermal mass concepts.
Original languageEnglish
Title of host publicationSET 2010 - 9th International Conference on Sustainable Energy Technologies, Shanghai, August 2010
Publication statusPublished - 2010


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