This two-day 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. Participants will learn how to properly use the blower door and duct testing equipment to test a home for Alabama Energy Code compliance. (16 HVAC CEU’s). Students will take the written and hands on test on the last day for DET certification.