New Efficiency Standards for Water Heaters 

By Todd Woody at the New York Times’ Green Inc. blog: The Obama administration on Thursday released new energy efficiency standards for water heaters and other appliances that it said would save consumers $10 billion over 30 years while cutting greenhouse gas emissions. The water heater standards issued by the United States Department of Energy are stricter than those originally proposed in December and which had received a lukewarm reaction from environmentalists. The biggest change increases the energy efficiency mandates for water heaters that hold 55 gallons or more of water. Although the Energy Department does not specify which technologies manufacturers must adopt, the new standards would effectively require the use of more advanced technologies like heat pump electric water heaters and condensing gas water heaters, according to energy efficiency experts. Read more

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