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Sustainability & Historic Preservation

Learn about the relationship between sustainability and historic preservation, focusing on energy efficiency and cost-effective investments in energy savings. Explore the importance of maintenance in preserving historic buildings.

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Sustainability & Historic Preservation

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  1. Sustainability &Historic Preservation Don Hartley, Architect Utah Division of State History dhartley@utah.gov

  2. "The Greenest Building is the One Already Built." Carl Elefante

  3. “Sustainable development is the kind of development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”Brundtland Commission (UN) 1987.

  4. The Triple Bottom Line of Sustainability 3-E’s economic ecological equity TBL financial environmental social 3-P’s profit planet people

  5. Conclusion: “57 Years before any life-cycle energy savings is achieved.” • Energy Efficiency and Sustainability • Factoring embodied energy into • the sustainable design equation.

  6. IECC Exceptions: • Very low energy use buildings (<3.4 Btu/h-ft2 or 1 watt/ft2) • Buildings (or portions of) that are neither heated nor cooled • Buildings designated as historic (Section 101.4.2.3)

  7. According to the National Trust for Historic Preservation’s Green Lab the most cost-effective investments in energy savings include: • Blower-Door and Thermal Imaging tests • Insulation in attics (maybe walls) • Seal ducts • High-Efficiency appliances, water heaters, HVAC equipment • Lighting (CFL’s and LED’s) • Improve the performance of existing windows

  8. Case Study

  9. Blower-Door and Thermal Imaging Tests

  10. Where does the energy go?

  11. Insulation in attics…

  12. …(maybe walls) Typical historic construction without vapor barrier Modern construction with vapor barrier

  13. Seal Ducts

  14. Radiant Heat (no ducts)

  15. High-Efficiency Appliances in Kitchen and Laundry

  16. High-Efficiency Water Heating

  17. High-Efficiency Evaporative Cooler

  18. High-Efficiency Evaporative Cooler

  19. High-Efficiency Evaporative Cooler

  20. High-Efficiency Evaporative Cooler

  21. Lighting

  22. Improve the performance of existing windows

  23. Improve the performance of existing windows

  24. Improve the performance of existing windows American Heritage Windows, Salt Lake City www.vintagewindows.com/

  25. Improve the performance of existing windows

  26. Improve the performance of existing windows with low-e type window film

  27. Why not replace windows in historic buildings?

  28. Why not replace windows in historic buildings?

  29. Maintenance = Preservation = Sustainabiltiy

  30. Sustainability &Historic Preservation QUESTIONS? Don Hartley, Architect Utah Division of State History dhartley@utah.gov

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