Presentation for zenergy_house


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Presentation for zenergy_house

  1. 1. Residential Retrofits<br />Near Zero Energy Opportunities<br />Tammy Schwolsky, <br />LEED AP; HERS; GPR; BPI Instructor<br />
  2. 2. The Three Legs of Our Stool<br /><ul><li>Energy Auditor Training
  3. 3. Comprehensive Diagnostic Energy Audits and Consulting
  4. 4. Energy Efficiency Retrofit Construction</li></li></ul><li>What is Home Performance?<br /><ul><li>“House as a System” approach
  5. 5. Building Science as a foundation
  6. 6. Identify opportunities with visual and diagnostic assessment
  7. 7. Comfort; Durability; Health/Safety; Energy Efficiency
  8. 8. Quantifiable results
  9. 9. Q/A + Q/C</li></ul>don’t guess…..test!<br />
  10. 10. Single Family Case Study<br />
  11. 11. Opportunitiesmajor improvements addressed:<br /><ul><li>Cooling
  12. 12. Distribution Systems
  13. 13. DHW (domestic hot water)
  14. 14. Energy Management
  15. 15. Interior Finishes
  16. 16. Water Conservation
  17. 17. Air Leakage
  18. 18. Ventilation
  19. 19. Insulation
  20. 20. Lights
  21. 21. Appliances
  22. 22. Heating</li></li></ul><li>Before<br />Two oversized furnaces <br />Two 3-ton AC units<br />Old inefficient natural drafting water heater<br />Poorly installed insulation<br />Old metal framed single pane windows, some broken<br />Leaky recessed incandescent lighting <br />Inefficient pool pump<br />Water pipes leaking in crawl space<br />Mold and termite damage<br />Typical Southern California landscaping with the majority being turf<br />
  23. 23. AfterAC & Combined Space & Water Heating<br />3-ton ultra high efficiency AC unit <br />(water cooled condenser)<br />Sealed combustion high efficiency water heater with variable speed air handler <br />
  24. 24. Air sealed & improved insulation<br />Vapor barrier in crawl space<br />New dual pane low e windows<br />Low sone exhaust ventilation <br />IC rated CFL only cans <br />LED lights<br />New high efficient pool equipment & salt water conversion<br />Solar pool heating<br />Plumbing re-pipe; insulated hot water pipes<br />3 dual flush toilets<br />New Energy Star appliances<br />Drought tolerant landscape<br />Smart irrigation<br />2.4 kWh Solar PV array<br />Real Time Energy Management System<br />… and more<br />After<br />
  25. 25. Multi-family Performance Testing <br />
  26. 26. Multi-family Building Analysts - MFBA<br />comprehensive energy inspections<br />recommendations achieve deep energy reductions + performance targets <br />yield the highest economic return for owners and organizations<br />
  27. 27. Government and Utility Support<br />
  28. 28. DRIVERSTowards Market Transformation<br />Federal<br />Home Star<br />Gold Star<br />Silver Star<br />State <br />Energy Upgrade California<br />County<br />Los Angeles County Energy Program (LACEP) <br />San Diego Green Building Incentive Program<br />Local Utilities<br />Whole House Home Performance Program (WHHP) <br />Prescriptive Whole House Retrofit Program (PWHRP)<br />
  29. 29. Workforce Development Training<br />prevent fraud and assure quality <br />incentive programs require appropriate licensing and certification for all participating contractors<br />percentage of all jobs will be inspected by a third party upon completion to verify proper installation<br />
  30. 30. Certification Confusion?<br />
  31. 31. A Better Approach<br />
  32. 32. questions<br />
  33. 33. Thank you!<br />Tammy Schwolsky, <br />LEED AP; HERS; GPR and BPI Affiliate Instructor<br /><br /> REAS, Inc. <br />818.752.0407<br /> <br /><br /> <br />