Tankless Water Heater Efficiency

Once you eliminate the need to heat and store water your energy efficiency is going to go up and ideally your energy costs may go down because you re using less fuel to heat your domestic water.

Tankless water heater efficiency.

For homes that use 41 gallons or less of hot water daily demand water heaters can be 24 34 more energy efficient than conventional storage tank water heaters. Available in both indoor and outdoor models rheem high efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. Rinnai tankless water heaters last up to twice as long have twice the warranty and save energy as they only heat water when it is needed. The us department of energy estimates that for homes using less than 41 gallons of hot water daily the energy savings of a tankless water heater may be 24 to 34 percent compared to a tank type.

Overall tankless water heaters are more energy efficient as indicated in the chart on the previous page. While the capacity of gas storage water heaters is based on the number of gallons that will fit in the tank tankless models are rated by how many gallons of hot water they produce per minute gpm. They can be 8 14 more energy efficient for homes that use a lot of hot water around 86 gallons per day. Units are designed to be highly efficient and only heat water when it s needed.

Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost excellent for a gas. Take advantage of up to 40 energy savings with a tankless water heater. Tankless water heaters typically last up to 20 years twice as long as a tank style unit.

Traditional water heaters can take up to 16 square feet of valuable floor space.