Double glazing, a type of glass glazing, contributes significantly to sustainability in building construction. By incorporating two panes of glass separated by a layer of inert gas, typically argon or krypton, double glazing provides enhanced thermal insulation compared to single-pane windows. This insulation reduces heat loss in winter and heat gain in summer, leading to decreased reliance on heating, ventilation, and air conditioning systems, ultimately lowering energy consumption and greenhouse gas emissions. Additionally, double glazing effectively reduces outside noise transmission, improving indoor acoustic comfort. Furthermore, like other forms of glass glazing, double glazing allows ample natural light into buildings, reducing the need for artificial lighting during the day and promoting occupant well-being. Overall, the sustainability benefits of double glazing make it a popular choice for energy-efficient and environmentally friendly building design and construction. Advancements in glazing technology include features such as low-emissivity coatings and thermal insulation, further improving energy efficiency by reducing heat transfer.