Creating sustainable windows and doors involves opting for eco-friendly materials like sustainably sourced wood or recycled aluminium. Prioritizing energy efficiency can be accomplished by choosing designs such as double or triple glazing and insulated frames to minimize heat transfer and lower energy consumption. Additionally, ensure durability and longevity by selecting high-quality materials and manufacturing techniques, which reduce the need for replacements and conserve resources. Design doors and windows with recyclable materials to promote circular economies and consider local sourcing to minimize transportation emissions. Seek certifications like ENERGY STAR or LEED to verify environmental performance, and conduct lifecycle assessments to evaluate overall environmental impact.