Workforce Development

Residential Duct and Envelope Tightness Training

This two-day, 16 hour course is designed to introduce the skills necessary to become a Duct and Envelope Tightness (DET) Verifier, and to perform the diagnostic testing required for new homes by the 2009 IRC / 2009 IECC Alabama code adoption. Instruction will include online pre-class modules, classroom and hands-on demonstrations, and field practice. After attending this training, participants will be able to explain the relationship between duct and envelope tightness and the mandatory requirements of the 2009 IRC and 2009 IECC including air sealing and duct sealing provisions in the codes. Participants will gain a basic understanding of building science  concepts including air flow, heat flow and pressure principles.
Participants will learn how to properly use the blower door and duct testing equipment to test a home for Alabama Energy Code compliance.

Dates:  Check with website for upcoming class schedule


Mike Barcik and Steve Harelieb of Southface Energy Institute, Atlanta Ga.  Mike and Steve are known throughout the southeast for their passion and level of expertise in the energy efficiency and building science.

Complete your information below to register now.  For more information, contact Jerry Adams at 256-306-2642 or email

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Scholarship Criteria

The ACECET grant is written with an emphasis on providing training and financial assistance to the following people:

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Please write in the space below a brief paragraph about why you want to participate in the Renewable Energy Program, specifically in the course you are registering for (mentioned above).  This will be a part of the selection process. 

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