Math Basics for the DET Verifier Certification in Illinois (Duct & Envelope Tightness)

4,029 views · Published 5 December 2012 · 18:39 · Indexed 5 October 2026

Channel: Home Performance · 2012 · Science & Technology

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A quick review of the geometry and calculations you'll be using as an Illinois Duct & Envelope Tightness Verifier.  The IL DET Verifier Certification is awarded by the IL Association of Energy Raters & Home Performance Professionals (IAER).  For information on the course, visit:
http://ilenergyraters.org/detverifier

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