Modern sustainable housing development necessitates the integration of conventional architectural wisdom and
quantitative building science to address global resource scarcity and climate change. This paper presents a scientific
framework for the comparative validation of a Hybrid Design Intervention that synthesizes the ancient Indian architectural
principles of Vastushastra (VS) with contemporary Environmental Science (ES). The methodology employs a quasi
experimental comparative design comparing the Hybrid Model against a Traditional Design control group over a 12-month
monitoring period. Rigorous statistical control is maintained using the Analysis of Covariance (ANCOVA) to isolate the
design‘s effect from confounding variables (e.g., occupancy and equipment load). Key performance indicators—including
Energy Use Intensity (EUI), Water Use Intensity (WUI), and Indoor Environmental Quality (IEQ)—are objectively measured.
Furthermore, Building Energy Modeling (BEM) is calibrated using strict ASHRAE Guideline 14 standards to confirm
predictive accuracy. The research hypothesizes that the Hybrid Design will yield statistically significant improvements,
targeting a 40% reduction in EUI and a 50% reduction in PM2.5concentration. The findings provide empirical justification for
multidisciplinary design, supporting sustainable development goals (SDGs) by creating housing solutions that are both
ecologically sound and culturally relevant.
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