Sustainable plumbing focuses on using eco-friendly materials and practices to reduce water waste and energy consumption. This includes installing water-efficient fixtures like low-flow toilets and faucets, which help conserve water while maintaining functionality. Additionally, sustainable plumbing often incorporates rainwater harvesting systems and greywater recycling, allowing homeowners to reuse water for irrigation and other non-potable uses. Another key aspect of sustainable plumbing is the use of renewable resources and energy-efficient technologies. For example, solar water heaters can provide hot water using sunlight, reducing reliance on fossil fuels. By prioritizing sustainability, plumbing systems can contribute to a healthier environment and lower utility bills for consumers.