Energy-Efficient Tankless Water Heaters Columbus OH

By Amy Fischbach

It's no wonder tankless water heaters are becoming a staple of green building. Unlike tank-type water heaters that keep gallons of water at usable temperatures 24/7, tankless heaters provide hot water on demand, saving energy and money. In fact, the Department of Energy estimates that tankless water heaters can be 24 percent to 34 percent more efficient than tank units. According to Jack Banker, manager of tankless sales for Rheem, homeowners can save about 20 percent to 25 percent on their heating bills.

This technology isn't new--it's been in use in Europe, South America, and Asia for decades--but the units have only recently begun to gain traction in the United States as Americans look to cut energy costs. Technology is catching up with demand, too, as vendors are responding with whole-house tankless systems that offer capabilities beyond the capacity of early point-of-use units.

Efficient Options

The basic operation of tankless water heaters is fairly straightforward: When someone opens the hot side of a fixture, water flows into the tankless unit and past a sensor that triggers the heater to bring the water to a pre-set temperature for delivery to the fixture. The quick recovery rates on tankless water heaters allow them to operate on demand, and as long as that fixture is asking for hot water, the tankless unit will continue to heat and deliver it.

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