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1 Paul Francisco Indoor Climate Research & Training Illinois Sustainable Technology Center.

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Presentation on theme: "1 Paul Francisco Indoor Climate Research & Training Illinois Sustainable Technology Center."— Presentation transcript:

1 1 Paul Francisco Indoor Climate Research & Training Illinois Sustainable Technology Center

2 2

3 3 Windows Doors Insulation

4 4 Windows Doors Insulation

5 5 Air sealing – where are the leaks? Space conditioning – if you want to use a different technology

6 6

7 7 Courtesy: Brian Kumer Courtesy: Larry Harmon

8 8 Source: Anis et al. 2013. ASHRAE Transactions.

9 9

10 10

11 11 Air sealing Insulation Upgrades to high-efficiency space conditioning systems Sealing ducts outside of conditioned space Lighting Refrigeration

12 12 Primary goal should be to have the thermal and pressure boundary aligned Air seal first Then insulate Air leakage is like having the windows open

13 13 Courtesy David Keefe, Vermont Energy Investment Corp. 13 Positive pressure (with reference to outside) Neutral pressure plane Negative pressure (with reference to outside) Stack Effect

14 14

15 15 Routine weatherstripping and caulking Tune-ups Sealing ducts inside conditioned space Doors Windows

16 16 Thank you! QUESTIONS? Paul Francisco 244-0667 pwf@illinois.edu


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