2.  Audit process  Customer survey results  Study of audited homes  Conclusions / recommendations

3.  Respond within two days  Audit within two weeks  1 – 1.5 hours in the home + ~1 hour to write up report  Email report and supplements within two days

4.  2007 – 2010: 500 homes audited (2.4% of the 21,000 residential accounts)  226 in 2010  155 from City + 60 from Energy Fair + 11 direct  215 homeowners + 8 renters + 3 landlords

5.  Interview  Give box of CFL’s  Issues and concerns  Problems, usage habits  Answer questions (counter misperceptions and marketing hype)

6.  Inspection / data-gathering

7.  Blower door test (air infiltration / leakiness)

8.  Write up and deliver report

9.  Audit report:  Emphasize cost-effectiveness and comfort (but also mention environmental benefits)  Does not include: -data on annual kWh and therms usage, with tons of CO 2 equivalent -qualitative comparison to average usage in Ames

10.  Audit report:  Does not include:

11.  Mailed to all customers, two to nine months after receiving audit  55 – 60% returned  Did the audit address all of the possible questions and issues that you hoped it would? 4.75 / 5  Overall, were you satisfied with the quality of the energy audit? 4.88 / 5  What improvements have you made? 33% none; 33% minor; 33% significant  Do you intend to make additional improvements in the near future? 66% yes

16. 1.Natural gas usage: less variable, more dependent upon “hard fixes” and less discretionary 2.Electrical usage: widely variable, more dependent upon habits and choices (more discretionary)  more opportunities for lowering 3.In general, people are quite misinformed about the most cost-effective improvements 4.People typically have minimal awareness of how their usage compares to others 5.Most people won’t change their desire for comfort and convenience based upon ethics alone

17. 1.Provide normative comparisons on City bills and City website. 2.Simplify the process of requesting an audit. 3.Push the following: a.hard fix solutions b.financial incentives (rebates and increasing block rates) c.normative comparisons (peer pressure) for encouraging change; move beyond simple advertising to more of a professionally-researched, social marketing approach

18. 4. Biggest potential for elec. energy use reduction: a.air conditioners: less use + replacement b.refrigerator and clothes washer replacement c.less use of dehumidifiers d.don’t use electric heaters e.CFL’s f.don’t lose sight of the kilo- watt-hours savings by focusing on the watt-hour savings