Home Explore Solutions Water Heaters Water Heating Electric, solar, and gas hot water heating systems offer cost-effective and energy-efficient ways to heat water for your home or business. Home Explore Solutions Water Heaters Water Heating Electric, solar, and gas hot water heating systems offer cost-effective and energy-efficient ways to heat water for your home or business. Home Explore Solutions Water Heaters Water Heating Electric, solar, and gas hot water heating systems offer cost-effective and energy-efficient ways to heat water for your home or business. Home Explore Solutions Water Heaters Water Heating Electric, solar, and gas hot water heating systems offer cost-effective and energy-efficient ways to heat water for your home or business. Home Explore Solutions Water Heaters Water Heating Electric, solar, and gas hot water heating systems offer cost-effective and energy-efficient ways to heat water for your home or business. Natural Gas Water Heaters Learn how ENERGY STARĀ® certified gas water heaters save you energy as they create hot water for your home or business. Solar Water Heater Solar Hot Water (SHW) systems save you money on your utility bills by using energy from the sun to heat your hot water. View All Heat Pump Water Heater ENERGY STAR certified heat pump water heaters are twice as efficient as electric water heaters because they move heat instead of making it. View All Take Advantage of Our Energy Assessments Request an energy performance assessment of your home or business to determine critical energy-saving opportunities and implement them with the help of incentives and financing. More About Our Assessments