Glazed windows can be sustainable for several reasons. Firstly, they often incorporate energy-efficient features such as double or triple glazing, low-emissivity coatings, and insulated frames, which minimize heat transfer and reduce energy consumption for heating and cooling. Additionally, glazed windows can utilize eco-friendly materials and manufacturing processes, such as responsibly sourced wood or recycled aluminum, contributing to environmental sustainability. Furthermore, their durability and longevity help minimize the need for replacements, reducing waste and conserving resources over time. Overall, glazed windows offer an effective way to enhance energy efficiency, comfort, and environmental stewardship in buildings.