Introduction to the Weston Climate Group's Carbon Crunch Challenge 2.

2. Overview Case Study Financials Next Steps Q&A Carbon Crunch Challenge

3. 42 Households, 10 Teams, 3 Towns October kWh reduction CCC Participants: 16.30% All Weston Residents: 4.55% November kWh reduction CCC Participants: 9.87% All Weston Residents: 2.51% CCC 1.0 : Killing Watts

4. Average Overall Total Reduction CCC Participants: 13.10% All Weston Residents: 3.56% Average Net kWh Reductions ‘08-’09 CCC Participants: 275 kWh Weston Residents: 91 kWh Total 2 Month Net kWh Reduced by all CCC Participants: CCC 1.0 Made a Difference 12,651 kWh ≈ 8 Months of Demand for 1 Avg. Weston Household

5. Home heating & cooling systems account for 44% of the average home’s energy use A 20% reduction decreases overall household energy use by almost 9% Home energy assessments usually identify reduction opportunities of 20-30% That’s a saving of roughly $600-900/year, every year, based on average annual heating costs Our Next Target: Home Heating

6. Goal: Reduce household heating energy used in January & February 2011 as compared to those same months in 2010 Process: Contact MassSave for a free Home Energy Assessment Use the results to make changes Report your Jan & Feb heating oil or natural gas use to the CCC organizers Save a lot of money & be happy Carbon Crunch Challenge 2.0

7. Single-family home in Roslindale, MA* Blower Door & Infrared Inspection Performed by Byggmeister, Inc. October 7, 2008 The Case of David Carrier * This isn’t his house, just a great IR picture

8. Attic & basement showed plenty of leakage Wall insulation generally acceptable, although infrared shows coverage uneven Major air leakage in an inner partition wall & kitchen ceiling Fireplace flue did not seal well General Observations

9. Tub access panel very leaky & cold with blower door running Second Floor Bathroom

10. Should be air-sealed and insulated Rim Joist Area in Basement

11. Registered lots of air movement; should be air sealed Chimney Case

12. Air leak from second floor bathroom into bedroom through wall outlet Cold Air Leaking through Outlet

13. Upgrade insulation & air-seal attic Spray foam the band joist area around perimeter of basement Air seal & insulate overhang under kitchen Air seal & insulate behind 2nd floor tub Listed 6 resources to help with insulation & air sealing work Report Recommendations

14. Returns to energy efficiency are measured as the sum of averted energy expenditures verses the capital cost to implement over the useful life of an improvement. Economics of Energy Efficiency

15. Conceptual Model Savings: Informed by Energy Assessment and determined by the change in equipment efficiency (new vs. old), the relative consumption impacted and a host of other factors including weather, fuel prices, behavior, etc. Costs: Capital costs are driven by the choice of efficiency measures and offset by rebates, financing opportunities, tax credits, etc.

16. Savings are more difficult to predict than capital costs and are building dependant Typical savings in residential retrofits average 25% of energy costs, or ~$600. Larger energy users or less efficient homes may see larger savings. Home Energy Assessments are a good tool to understand current use and expected/potential savings. Predictions

17. Capital Costs are generally known in advance and can be significantly reduced through available incentives: Incentives can take multiple forms including: -Rebates -Below market financing -Tax credits -Other Capital Cost Reduction

18. Incentives Incentives can take multiple forms including: -Rebates -Below market financing -Tax credits -Other

19. Incentives Overview: Rebates Offered through the utility on qualifying energy efficiency improvements across a wide array of efficiency products. Substantial rebates exist on: -HVAC (up $1,000) -Hot Water (up to $700) -Insulation (75% up to $2,000) -Other (thermostats, boiler resets, etc.) -Financing (0% Interest) Incentive details can be found at: www.masssave.com

20. Source: www.masssave.com

21. Incentives can take multiple forms including: -Rebates -Below market financing -Tax credits -Other Incentives

22. Incentives Overview: Financing The HEAT Loan program offers 0% loans up to $15,000 for households with good credit for terms up to 7 years. Home assessment is a precondition of the loan Only available for energy efficiency improvements

23. Incentives can take multiple forms including: -Rebates -Below market financing -Tax credits -Other Incentives

24. Incentives Overview: Tax Credit Federal Tax Credit for 30% of qualifying project cost up to $1,500 in 2010 Tax credit expires 12/31/10 Tax credit can only be used once (2008-2010)

25. Incentives Incentives can take multiple forms including: -Rebates -Below market financing -Tax credits -Other

26. Other Ways to Reduce Capital Costs There are other ways to lower the capital cost of energy efficiency including bidding work during seasonally slow periods and/or soliciting multiple bids. Example – Ask your heating system contractor if they offer discounts during the seasonally slower summer season.

27. Discounts & incentives can be a substantial portion of the total project cost as shown in the hypothetical example below:

28. Other Considerations Rebates, tax credits and other incentives fluctuate from year to year. 2010 incentives are very generous vs. history and may not be representative of future years Potential legislation (example – Home Star)

29. www.masssave.com www.dsireusa.org Resources

30. Sign up as a CCC2 participant by emailing wcg.ccc@gmail.com Regular updates & support emails Events Progress tracking Contact MassSave to schedule your Home Energy Assessment Call 1-866-527-7283 Lead time generally 2-3 weeks More info online: http://www.masssave.com/ Next Steps

31. Progress Tracking Example

32. From the first Carbon Crunch, youth want to be active participants: Identify types of energy used in your home Explain how to use energy in home more wisely Describe how to keep you home comfortable yet use less energy; check basement, attic, chimney,… Find air leaks from windows, doors and electrical sockets… Youth Participation