subject: Save Energy and Lower Your Monthly Bill with a Demand Water Heater [print this page] Energy Savings: According to the U.SEnergy Savings: According to the U.S. Department of Energy, homes that use less than 41 gallons a day can improve their energy efficiency 2434 percent compared to using a conventional water heater. For homes that use more water up to 86 gallons daily demand heaters can be 814 percent more efficient. Installing a demand heater at each of a house's hot water outlets would save even more: 2750 percent.
Save Energy and Lower Your Monthly Bill with a Demand Water Heater