ACI Home Performance Conference 2009

MFD 03N - Sizing Up Duct Leaks: From CFM50 to Energy Savings

Monday, April 27, 2009 · 8:00 AM - 5:30 PM

This hands-on class will show you how to convert duct pressurization results to numbers you can actually use to predict retrofit energy savings. Participate in an overview of duct testing procedures and add in additional information that will enable you to refine first order leakage numbers by also considering operating pressure in the ducts and the amount of air circulated by the system blower. Get direct experience with measuring duct leakage, static pressure, and system airflow. A simple spreadsheet will be used to process data and to estimate savings in different climates. Previous experience measuring duct leakage and system flow is desirable but not necessary.

By attending this session, participants will

Learn or review how to perform duct leakage tests (pressurization / depressurization)
Discover how to perform static pressure and airflow tests
Explore how to transform these measurements into leakage fractions and to estimate energy savings from sealing leaks

Type: In-Field Short Course
CEU: American Society of Home Inspectors (ASHI) Building Performance Institute, Inc. (BPI) North American Technician Excellence, Inc. (NATE) Residential Energy Services Network (RESNET) National Association of Certified Home Inspectors (NACHI) National Association of the Remodeling Industry (NARI)

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