By: Ashok K. Rathoure
Research Director, Saraca Research Inc., Surat, Gujarat, India
Building retrofits have become a pivotal strategy in enhancing energy efficiency and sustainability in existing structures. As global emphasis on environmental sustainability intensifies, retrofitting older buildings to meet contemporary energy standards has gained prominence. This article examines the influence of metallurgical and materials science innovations on recent energy-saving trends in building retrofits. It explores advanced Heating Ventilation and Air Conditioning (HVAC) systems, highlighting how high-performance alloys and materials improve efficiency and durability. The impact of high-performance insulation and window technologies, including advanced glazing and aerogel, is analyzed for their contributions to reducing thermal losses. Lighting technologies, particularly the role of metal-based Light Emitting Diodes (LEDs) and smart controls, are discussed for their efficiency and longevity. The integration of renewable energy sources, such as solar panels and energy storage systems, is examined through the lens of metallurgical advancements in photovoltaic materials and battery technologies. Additionally, the article addresses the role of Building Automation Systems (BAS) and Energy Management Systems (EMS) in optimizing energy use, as well as innovations in water efficiency retrofits. The influence of sustainable building standards, including Leadership in Energy and Environmental Design (LEED), Building Research Establishment Environmental Assessment Method (BREEAM), and Net Zero Energy Buildings (NZEB), on energy-saving trends is also explored, with a focus on how metallurgy contributes to meeting these standards. The article concludes by emphasizing the critical role of cutting-edge materials and technologies in advancing energy efficiency and reducing the environmental impact of the built environment, reflecting ongoing trends and future directions in the field.
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