26 Feb '15, 9pm

[Blog] Water Heaters Get an Efficiency Makeover Courtesy of DOE: From the rustic 1850s pump shower to the 1920...

[Blog] Water Heaters Get an Efficiency Makeover Courtesy of DOE: From the rustic 1850s pump shower to the 1920...

Humphrey Automatic water heater, 1920. (Courtesy of the Weingarten Collection) From the rustic 1850s pump shower to the 1920s Humphrey automatic to today’s modern units, water heaters have made great strides in performance and efficiency. On April 16, 2015, water heaters will take the next great stride when manufacturers must comply with new Department of Energy (DOE) efficiency standards . The most common water heaters manufactured on and after this date will get a modest boost in efficiency, while units over 55 gallons will shift to next-generation technology, cutting utility bills by one-fourth to one-half depending on the technology. What is covered? Completed by DOE in 2010, the standards cover gas, oil and electric residential tank water heaters, usually between 20 and 80 gallons. (DOE also upped the efficiency levels for instantaneous—tankless—gas water heaters, but...

Full article: http://www.homeenergy.org/show/blog/nav/blog/id/667

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