The impact of regenerative design solutions on indoor temperature and daylight access in a medium-rise residential building in a tropical city - A case study in Jakarta, Indonesia

Abstract

Regenerative design is a new paradigm that goes beyond simply reducing negative impacts. This study explored the impact of regenerative design solutions on indoor thermal and daylight performance in a medium-rise residential building in Jakarta, Indonesia under current and future climate scenarios. Using DesignBuilder simulation, the study assessed passive ventilation, window side fins, light shelves, green roofs, and photovoltaic systems. Results showed significant improvements in thermal comfort, with up to 94% of days meeting ASHRAE-55 standards in the 2020s (A2 scenario). However, by the 2080s (A2 scenario), energy analysis showed that photovoltaic panels could only cover up to 30% of cooling demand for an eight-hour operation. Moreover, the useful daylight illuminance level decreased by up to 61.4% in the 2020s (A2 scenario). The study highlights the potential of positive energy in a free-running building with integrated photovoltaic green roofs and suggests further research on various regenerative design solutions effects.

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ORCID for Stephanie Gauthier: orcid.org/0000-0002-1720-1736

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