Home Energy Score Joan Glickman U.S. Department of Energy Senior Advisor. JOBS. Convincing Homeowners to Invest in Energy Efficiency Isn’t Always Easy. Tens of millions of homes could benefit from cost effective energy improvements but…
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U.S. Department of Energy
Existing Home Improvement / Renovation Market efficiency?
Source: LBNL Analysis; Harvard Joint Center for Housing Studies, Remodeling in Transition; U.S. Census Bureau, 2009 American Housing Survey
Strengthen the home energy retrofit market
Provide an affordable and credible means for --
Homeowners to understand their home’s energy performance, how their home compares to others in their area, and how to take action to improve its efficiency
Build on and complement existing home energy improvement efforts
Facilitate the ability of trained workers to enter the private sector retrofit market as Weatherization work funded by the Recovery Act ramps down
Home Energy Score efficiency?
Tool Output: Page 2 efficiency?
Tool Output: Page 3 efficiency?
November 3, 2010
Richard Brown, LBNL
Norman Bourassa, LBNL
Home Energy Score Pilots efficiency?
Nine pilots completed program
Utah completed assessments using previously collected data
1,000+ homes assessed in total
31 assessors produced more than 1 score
24 responded to assessor questionnaires
In most cases, the scores reflected relatively “normal” distributions
Need to reconsider bin values in some climates
DOE/LBNL ran home assessment data through multiple scoring methods for comparison purposes
Assessor information and education
Improve tool tips and training
Provide technical support for assessors in the field
Develop handheld application
Require mentoring of new assessors
Homeowner information and education
Provide hotline and additional materials to leave behind
Provide best practices for homes in different climates
Provide additional information regarding the existing conditions of the home
Keep it simple
Keep it the same across all markets
Allow some customization of information
Show cumulative savings for more than one year (e.g., 5 years)
Energy improvement recommendations
Allow assessors to tailor recommendations
Present dollar savings as a range or percent of utility bill
Prioritize recommendations by best value
Address bin mobility issues
Find ways to shrink “the zone of unattainability”
Group similar home types along different scales (e.g., vintage)
Develop regional and local partnerships to implement and market the Home Energy Score
Establish partnerships with energy efficiency programs and others interested in using the Home Energy Score.
Develop quality assurance requirements for program partners and assessors.
Develop guidelines for local customization of the Home Energy Score information.
Finalize qualification requirements for assessors.
Make improvements to the scoring tool, recommendations page, assessor training, homeowner tips.
Finalize materials for homeowners and assessors.
July August September October November December
Pilot Summit in DC
July 19 - 20
DOE/Lab Analysis Review in DC, July 21
Conduct additional focus groups, homeowner research
Implement scoring tool improvements
Test and debug scoring tool
Finalize list of required changes to tool
Conference Calls, Webinars
Recruit Partners for National Launch
National Program Materials/Information:
Finalize program metrics
& staffing planning
Finalize training module & program materials
Launch National Program
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110+ million households
69% built before 1980
Average energy cost $2200/year
Heating and cooling account for almost 50 percent
(1) 2010 Buildings Energy Data Book, Table 2.6.3
(2) Foundations for Future Growth in the Remodeling Industry: Improving America’s Housing 2007, Joint Center for Housing Studies of Harvard University, Table A-1- Homeowner Improvement Expenditures: 1994-2005
(3) Water Heaters:
High end based on # of residential water Heaters shipped in 2006 from GAMA. Low end based on # of water heaters less than 4 years old reported in 2005 RECS.