Tankless water heaters heat the water you need, when you need it. You are not restricted to the amount a storage tank heater can hold. With tankless water heater technology you'll never run out of hot water ever again!
Tankless water heaters are more efficient at heating water than regular tank water heaters which translates into reduced energy costs. Tankless water heaters are Energy Star™ Approved to reduce costs and automatically shut off when they're not being used.
With a more efficient design, you can expect more than twice the lifespan of a regular water heater.