Home Performance with ENERGY STAR

1
Home Performance with ENERGY STAR

• Improving the Energy Performance of Americas
  Existing Homes
• Ed Pollock
• U.S. Department of Energy,
• Building Technologies Program
• September 20, 2007

2
U.S. Existing Homes American dreams with
nightmare energy bills and comfort problems
Americans spend an average of 1,900 per year per
household on energy bills
Over half of all single-family homes in the U.S.
were built before modern energy codes
4.2 Quads Potential Savings the equivalent of 720
million barrels of oil or 492 400MW coal power
plants. (Based on 25 improvement using currently
available technologies)
3
Supply and Demand for HPwES

• Homeowners are demanding
• Home comfort improvements
• Green improvements
• Energy efficiency improvements
• Insulation upgrades each year, 2.5 million homes
  are re-insulated, with 1 million improved by
  contractors

• Contractors are supplying
• Increased interest in retrofit market due to
  reduced housing starts
• 25 improvement in homes energy performance with
  off-the-shelf technologies is typical
• Additional improvement could be supplied with
  applied research to attain a ZEH goal for
  retrofits.
• Quality assurance that protects the consumers via
  robust contractor credentialing

4
Standards and Field Guides

• Development of home performance contracting
  standards via Building Performance Institute
  (BPI) and gaining ANSI approval for these
  standards
• Development of field guides for home
  performance contracting (also with BPI)
• Home Energy Assessment
• Shell Improvements
• Mechanical Systems
• PV Systems
• Solar Thermal Systems

5
Home Performance Contracting Training

• Modification of existing high-quality training
  for other climate zones
• Dissemination via community colleges, USDA
  Extension Service, National Association of State
  Universities and Land-Grant Colleges (NASULGC),
  community colleges and on-line modules

6
Consumer Financing

• Exploring using EPACT 2005 for loan guarantees
  for financing for home performance improvements