Rinnai Tankless Water Heaters Awarded Energy Star Designation
Jan 13, 2009
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Rinnai Corp. said that six models from its line of tankless water heaters have earned the U.S. Department of Energy’s and Environmental Protection Agency's Energy Star rating for energy efficiency, including its flagship models, the R94LS and R75LS.

In order to be deemed Energy Star qualified, tankless water heaters must maintain a minimum Energy Factor (EF) of 0.82 and a minimum gallons-per-minute flow of 2.5 at a 77-degree Fahrenheit rise. A whole-home gas tankless water heater that meets these requirements is expected to reduce energy use by 30%, Rinnai says, which can save a consumer approximately US$108 in annual energy costs when compared to a typical gas storage water heater.

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