preserve austin window lecture jan 2013
DESCRIPTION
Presentation given at Preservation Austin's Wood Window Restoration Workshop on January 29, 2013 by Meghan Kleon, LEED APTRANSCRIPT
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Preserva'on Aus'n WINDOW RESTORATION WORKSHOP Tuesday, January 29, 2013
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Photo: Edi'n
g Luke
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sustainable design historic preserva'on
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why keep wood windows?
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historic value character-‐defining
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durable old growth wood superior quality
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repairable job-‐crea'on
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cost-‐effec've
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“Saving Windows, Saving Money: Evalua'ng the Energy Performance of Window Retrofit and Replacement,” Na'onal Trust for Historic Preserva'on
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saves energy Photo: Edi'ng Luke
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raw material extrac'on transporta'on manufacturing/produc'on use recycling or disposal
Life Cycle Assessment of a Building {
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“Saving Windows, Saving Money: Evalua'ng the Energy Performance of Window Retrofit and Replacement,” Na'onal Trust for Historic Preserva'on
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wide roof overhangs awnings shu\ers blinds, shades
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window selec'on
sustainable design • durable • locally available • salvaged
historic preserva3on • longevity • regionally appropriate • in-‐kind replacement
From “Structural Materials in Historic Restora'on: Environmental Issues and Greener Strategies, ” APT Bulle)n 36: 4, 2005 {
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Where to start?
Photo: Edi'ng Luke
the windows aren’t the problem
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where air escapes from a typical house Based on data from Energy Savers, U.S. Department of Energy Illustra'on: Blank Space LLC
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current energy use pa\erns insula'on levels air leakage mechanical systems priori'ze energy efficiency measures
Blower door test during a home energy audit Photo: Hammer and Hand, Portland
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Eli Whitney House, Connec'cut Trust for Historic Preserva'on Headquarters, prior to energy retrofit Photo: Green Star Building Performance Contractors
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reduce air leakage
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agc insula'on, radiant barrier insulate crawlspaces seal and insulate ducts and pipes weatherstripping add appropriate awnings, shading devices
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restore, don’t replace.