Deep-Energy Retrofits for Existing Homes

Building in the 21st Century

Audio from the National Building Museum

Presented By: Betsy Pettit, AIA, president, Building Science Consulting
Date Recorded: September 10, 2009
Duration: 00:59:30

Betsy Pettit, AIA, president, Building Science Consulting, provides results from several cold-climate retrofits that addressed windows, insulation, equipment, and more.

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