The U.S. Department of Energy Weatherization Assistance Program (DOE WAP) delivers energy conservation services to low-income Californians. The Weatherization Assistance Program reduces the heating and cooling costs for low-income families by improving the energy efficiency of their homes and ensuring their health and safety. Among low-income households, the program focuses on those with elderly residents, individuals with disabilities, and families with children. See website for income guidelines and energy services provider directory.