Building efficiency refers to the effective use of resources in a building to minimize waste and reduce energy consumption. This involves optimizing heating, cooling, lighting, and water systems to ensure they operate at their best. By implementing energy-efficient technologies and practices, such as LED lighting and smart thermostats, buildings can significantly lower their utility costs and environmental impact. Additionally, building efficiency contributes to a healthier indoor environment for occupants. Improved air quality, natural lighting, and proper insulation can enhance comfort and productivity. By focusing on sustainable design and energy management, property owners can create spaces that are not only cost-effective but also beneficial for the planet and its inhabitants.