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Review of Site (Point-of-Use) and Full-Fuel-Cycle Measurement Approaches to DOE/EERE Building Appliance Energy-Efficiency Standards Letter Report (2009) / Chapter Skim
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Attachment E Written Material Provided Directly to the Committee
Pages 21-26

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 21...
... DOE currently uses a mix of site and source energy metrics when setting appliance energy efficiency standards. If source energy as opposed to site energy was used when setting efficiency standards for electric and gas water heaters, the standards values derived from the rigorous DOE process would not change based on the use of site or source energy.
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From page 22...
... It is difficult to provide a succinct answer without seeing a final version of the following: the source energy metric; the label provided by the appliance manufacturer; and the FTC Energy Guide label. The most important result of the change from the consumer's perspective would be the difficulty in comparing the efficiency of the current water heater using site energy to a new water heater based on source energy.
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From page 23...
... (a) If source energy as opposed to site energy was used by DOE when efficiency standards were set for appliances, might the efficiency standard set for electric and gas water heaters - assuming as now the standards are set separately - change and be higher?
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From page 24...
... While questions about specific test procedures persist, the current DOE rulemaking 1 Office of the Federal Register, National Archives and Records Administration, "Federal Trade Commission: Rule Concerning Disclosures Regarding Energy Consumption and Water Use of Certain Home Appliances and other Products Required Under the Energy Policy and Conservation Act ("Appliance Labeling Rule") ," Federal Register, Volume 72, Issue 167, August 29, 2007, pp.
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From page 25...
... Dally, Chair and Council Members Committee on Point-of-Use and Full-Fuel-Cycle Measurement Approaches to Energy Efficiency Standards National Academy of Sciences 500 5th Street NW Washington, DC 20001 RE: AHAM Comments on National Academy of Sciences Project on Energy Efficiency Standards: Alternative Approaches to Measurement Dear Dr. Dally and NAS Council Members: On behalf of the Association of Home Appliance Manufacturers (AHAM)
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From page 26...
... Furthermore, appliance energy information has become an important factor in purchasing decisions for consumers in the past five years. Through a combination of appliance efficiency standards, Energy Guide labels, Energy Star and other market awareness efforts, including tax incentives to manufacturers to deliver energy savings beyond that required by regulation, consumers are taking steps to further reduce energy consumption of appliances.
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Key Terms

  • water heaters
  • energy efficiency
  • efficiency standards
  • water heater
  • test procedures

  • fuel cycle
  • site energy
  • gas water
  • doe test
  • appliance energy

  • energy guide
  • efficiency standard
  • appliance manufacturers
  • edison electric
  • electric institute

  • overall energy
  • appliance efficiency
  • resistance water
  • home appliance
  • energy star

  • energy consumption
  • actual energy
  • energy policy
  • energy information
  • energy descriptors

  • electric water
  • source methods
  • employ source
  • efficiency levels
  • source methodologies


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