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<p>Improving building energy efficiency is vital for sustainable urban development, particularly in cities with high cooling demands such as New Delhi. This study examines the effectiveness of Vacuum Insulated Glazing (VIG) in enhancing the thermal performance of building envelopes under composite climatic conditions. Using DesignBuilder simulations, various VIG configurations were analysed based on their optical and thermal properties to assess their impact on overall energy performance. Results indicate that VIG systems substantially reduce cooling loads and total energy consumption compared to conventional glazing. The study highlights the role of glazing parameters—U-factor, SHGC, and visible transmittance—in optimizing energy efficiency, confirming VIG as a viable solution for sustainable and low-energy building design in metropolitan environments.</p>

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Optimizing energy performance using VIG in building envelope

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月2日

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  • Soumay Tiwari,
  • Devansh Dwivedi,
  • Siddharth Soni,
  • Kavita Verma

摘要

Improving building energy efficiency is vital for sustainable urban development, particularly in cities with high cooling demands such as New Delhi. This study examines the effectiveness of Vacuum Insulated Glazing (VIG) in enhancing the thermal performance of building envelopes under composite climatic conditions. Using DesignBuilder simulations, various VIG configurations were analysed based on their optical and thermal properties to assess their impact on overall energy performance. Results indicate that VIG systems substantially reduce cooling loads and total energy consumption compared to conventional glazing. The study highlights the role of glazing parameters—U-factor, SHGC, and visible transmittance—in optimizing energy efficiency, confirming VIG as a viable solution for sustainable and low-energy building design in metropolitan environments.