Natural Lighting and Thermal Comfort in Biophilic Workspace: Case Study of ID Office

Authors

  • Bobby Alexander Riady Soegijapranata Catholic University image/svg+xml Author
  • L.M.F. PURWANTO Soegijapranata Catholic University image/svg+xml Author

DOI:

https://doi.org/10.30998/lja.v9i2.3791

Keywords:

biophilic design, Natural Lighting, Simulation, Thermal Comfort, Tropical Workspace

Abstract

Natural lighting and thermal comfort are two key variables in the design of biophilic office spaces, particularly in humid tropical climates. This study evaluates the performance of these variables in the offices of the design firm ID Company in BSD, Tangerang—a space that has incorporated five biophilic patterns based on Browning’s (2014) theory. Previous research on biophilic workspace design highlights the crucial role of natural lighting in visual comfort, work efficiency, and user mental health. The research methodology involved digital simulations (using Rhinoceros-Grasshopper-Ladybug-Honeybee and EnergyPlus), on-site measurements (using lux meters and thermo-hygrometers), and user perception questionnaires. The results reveal an uneven distribution of natural light: areas near windows achieved 188–334 lux but posed a glare risk, whereas central areas recorded only 58–95 lux—levels falling below the 300-lux minimum requirement for workspaces stipulated by the SNI 6197:2011 standard. Overall, thermal conditions remained within the tropical comfort zone (26.2–27.1°C), although glass surface temperatures reached 36–39°C during the day, influencing the mean radiant temperature (MRT). A comparison between simulation results and field measurements showed good agreement, with an average temperature difference of less than 1.7°C. User perception feedback corroborated these technical findings. The study concludes that in humid tropical climates, implementing biophilic elements solely through large, single-sided windows is insufficient to achieve optimal visual and thermal comfort without comprehensive strategies to control both light and heat radiation.

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Published

2026-09-30

How to Cite

Natural Lighting and Thermal Comfort in Biophilic Workspace: Case Study of ID Office. (2026). Lakar: Jurnal Arsitektur, 9(2), 15-28. https://doi.org/10.30998/lja.v9i2.3791