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This specification provides guidance to manufacturers who are interested in developing products that not only meet ENERGY STAR criteria but are able to provide high levels of consumer satisfaction and energy performance in cooler, northern climates. The specification was updated September 9, 2014 with Appendices F and G. A media backgrounder document, product assessment worksheet and product list is also available.
Prepared by: Northwest Energy Efficiency Alliance
Published: July 18, 2013
This specification provides guidance to manufacturers and other market actors who are interested in developing products that not only meet ENERGY STAR criteria but are able to provide high levels of consumer satisfaction and energy performance in a range of climates.
Prepared by: Northwest Energy Efficiency Alliance
Published: May 10, 2016
Properly installed heat pump water heaters save homeowners hundreds of dollars in water heating costs each year. By following best installation practices and providing homeowner education, you’ll ensure satisfied customers.
Prepared by: Northwest Energy Efficiency Alliance
Published: unknown
Supporting & Related Material documentation pertaining to the Energy Conservation Standards for Residential Water Heaters, Direct Heating Equipment, and Pool Heaters Final Rule.
Prepared by: US DOE Office of Energy Efficiency and Renewable Energy
Published: Jun 25, 2012
DOE published a final rule prescribing new energy conservation standards for consumer water heaters. 75 FR 20112 (April 16, 2010). The consumer water heater energy conservation standard rulemaking docket EERE-2006-BT-STD-0129 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.
Prepared by: US DOE Office of Energy Efficiency and Renewable Energy
Published: April 16, 2010
ENERGY STAR resource page includes a video demonstrating how heat pump water heaters work and how certified models can help you save on your utility bills. Also included is a fact sheet explaining savings opportunities, and sections with additional information including the following:
The scope of this work is to provide a standard field monitoring protocol for evaluating the installed performance of HPWHs in residential buildings.
Prepared by: National Renewable Energy Laboratory
Published: October 2013
Building America Case Study Project Name: HPWH Evaluation. Location: Northeast. Years Tested: 2010-2012. The U.S. Department of Energy Building America team Consortium for Advanced Residential Buildings (CARB) quantified the in-situ performance of three recently released HPWH products for more than one year.
Prepared by: US DOE Building America program
Published: December 2013
This project comprehensively draws on laboratory studies and, importantly, two previously conducted field studies. It augments the field studies by measuring water heater performance in climate zones and installation locations not previously observed. 70 sites had been previously studied in the field and this project added 50 more.
Prepared by: Northwest Energy Efficiency Alliance
Published: March 2, 2015
This evaluation quantified the in-situ performance of three recently-released HPWH products (General Electric GeoSpring™, AO Smith Voltex®, and Stiebel Eltron Accelera®300) through the installation and monitoring of 14 units in Massachusetts and Rhode Island for over one year.
Prepared by: Steven Winter Associates, Inc.
Published: June 26, 2012