Corporate Training By Zack Academy - Duct and Envelope Tightness (DET) Verification Training

Why Should You Take This Duct and Envelope Verification Training Course?

In this Duct and Envelope Tightness (DET) Verification Training, participants will learn how to explain calculations for ACH50 and percent duct leakage, demonstrate proficiency in testing protocol, apply knowledge on actual blower door and duct systems, and complete certification exam. This course is designed to introduce the skills necessary to become a Duct and Envelope Tightness (DET) Verifier, certified to perform the diagnostic testing required for new homes by the 2009 and 2012 IECC amendments.

Learning Outcomes:

After successful completion of this course, the participant will be able to test the leakage of a building envelope and duct system, and evaluate the results as measured against code requirements. Specific topics include:

• Protocols for blower door and duct leakage testing
• Calculations for ACH₅₀ and percent duct leakage
• Tips for successfully completing the written and in-field DET Verifier certification exams

Prerequisites:  LMS Courses: Math Basics for DET Verifiers module (access provided upon registration)

Certifications: Duct and Envelope Tightness Verifier. To achieve designation as a DET Verifier, a student must receive a passing score on both exams (included in tuition costs).

Additional Information:

• Students must bring a calculator for the field and written exam.
• If you'd like to learn more about duct and envelope testing or the energy code, we recommed the following resources:
  • Blower Door Testing Video
  • Duct Leakage Testing Video
  • Georgia Residential Energy Code Field Guide
  • Georgia Residential Energy Code Video
  • Alabama Residential Energy Code Field Guide
  • Alabama Residential Energy Code Video