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 ecologicalequity TBLfinancialenvironmentalsocial 3-P’sprofit planet people

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

7. Very low energy use buildings (<3.4 Btu/h-ft 2 or 1 watt/ft 2 ) Buildings (or portions of) that are neither heated nor cooled Buildings designated as historic (Section 101.4.2.3) IECC Exceptions:

8. 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

9. Case Study

10. Blower-Door and Thermal Imaging Tests

11. Where does the energy go?

12. Insulation in attics…

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

14. Seal Ducts

15. Radiant Heat (no ducts)

16. High-Efficiency Appliances in Kitchen and Laundry

17. High-Efficiency Water Heating

18. High-Efficiency Evaporative Cooler

22. Lighting

23. Improve the performance of existing windows

25. American Heritage Windows, Salt Lake City www.vintagewindows.com/

26. Improve the performance of existing windows

27. with low-e type window film

28. Why not replace windows in historic buildings?

30. Maintenance = Preservation = Sustainabiltiy

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