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CEE Gas Committee Water Heater Breakout Session. CEE Program Meeting June 14, 2007 . Agenda Review. Update on Tankless Field Test Protocol Update on ENERGY STAR Water Heater Criteria North American Water Heater Initiative Summary of Feedback from Manufacturers

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CEE Gas Committee Water Heater Breakout Session


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cee gas committee water heater breakout session

CEE Gas Committee Water Heater Breakout Session

CEE Program Meeting

June 14, 2007

agenda review
Agenda Review
  • Update on Tankless Field Test Protocol
  • Update on ENERGY STAR Water Heater Criteria
  • North American Water Heater Initiative
    • Summary of Feedback from Manufacturers
    • Setting Specification levels
tankless field test protocol to measure actual gas savings
Tankless Field Test Protocol To Measure Actual Gas Savings
  • Protocol will seek to address the following
    • How does consumer use change with a tankless water heater?
    • Is there a net savings when compared to storage water heaters?
  • Members to implement this experiment in their own territory and report results to CEE
scope of tankless field study
Scope of Tankless Field Study
  • ASHRAE Technical Committee 6.6 drafting a guide for the technical monitoring of gas, water and electrical consumption
  • CEE Gas and Evaluations Team developing surveys to understand potential gas and water usage behavioral changes
  • We propose to make the protocol available by 3rd quarter so that members can begin testing this winter
  • CEE will facilitate sharing member test results
    • What are your expectations for information sharing?
cee commented on energy star draft criteria for water heaters
CEE Commented on ENERGY STAR Draft Criteria for Water Heaters
  • Supported inclusion of 0.62 EF gas storage water heaters
  • Supported inclusion of emerging technologies with some reservation
    • Warranties necessary
    • Minimum production threshold
    • Consumer and contractor education programs
cee attended energy star stakeholder meeting
CEE Attended ENERGY STAR Stakeholder Meeting
  • Consensus in the room seemed to form around including a gas storage water heater at 0.65 and electric resistance storage water heater at 0.95
    • Electric tankless water heaters were also discussed but no clear consensus emerged
  • Manufacturers strongly resisted inclusion of warranty requirement, but were open to production thresholds
  • Timeline: 2d round of comments due to DOE by July 13th. Revised criteria available in late July
drafting a cee gas water heating initiative
Drafting a CEE Gas Water Heating Initiative

An initiative should contain

  • Summary of existing and proposed technologies
  • Natural gas savings potential
  • Major Players
  • Specifications for storage and tankless gas water heaters
  • Potential Program Approaches
  • Role of CEE
  • ENERGY STAR relationships
drafting a cee gas water heating initiative8
Drafting a CEE Gas Water Heating Initiative

An initiative should contain

  • Summary of existing and proposed technologies
  • Natural gas savings potential
  • Major Players
  • Specifications for storage and tankless gas water heaters
  • Potential Program Approaches
  • Role of CEE
  • ENERGY STAR relationships
drafting a cee gas water heating initiative9
Drafting a CEE Gas Water Heating Initiative

An initiative should contain

  • Summary of existing and proposed technologies
  • Natural gas savings potential
  • Major Players
  • Specifications for storage and tankless gas water heaters
  • Potential Program Approaches
  • Role of CEE
  • ENERGY STAR relationships
manufacturer generally positive about market transformation
Manufacturer Generally Positive About Market Transformation
  • Most manufacturers believe the advanced non-condensing and condensing units are technically viable, but need to see market assurance
  • The best way to give them market assurance is to prove that consumers are willing to buy more efficient models
  • One manufacturer suggests that advanced non-condensing may be available by 2010, and condensing available by 2011
  • Utility programs could create momentum in bringing advanced technologies to the market
advanced technologies are cost effective
Advanced Technologies Are Cost Effective

Benefit-Cost Ratio

Energy Factor

what other criteria should factor into performance specifications
What Other Criteria Should Factor Into Performance Specifications?
  • Fuel sources:
    • Include propane as well as natural gas?
    • Electric issue?
  • Commercial and Residential water heaters:
    • Should we broaden the scope to include both?
  • Will include a NOx specification
    • Set to <10 ng/J?
manufacturers distributors big box retailers and plumber outreach
Manufacturers, Distributors, Big Box Retailers, and Plumber Outreach
  • Incentivize market players to provide maintenance and technology support
  • Influence manufacturer training sessions to encourage plumbers, distributors and others to carry high-efficiency water heaters
  • Advertising to connect retailers, distributors and plumbers to market channels in exchange for carrying more efficient products
consumer education and awareness
Consumer Education and Awareness
  • Technology and maintenance support
  • Early replacement programs
  • Water heater rentals
  • In bill ads to promote high-efficiency units and installers who carry them
energy star outreach support
ENERGY STAR Outreach & Support
  • ENERGY STAR could supply a listing of where homeowners can find high-efficiency units in their region
  • Home energy auditors could note the efficiency of the resident’s water heater during home inspections and update owners on high-efficiency options