Duct and Envelope Tightness Verification Training

Monday, April 8, 2019 - 8:00am to Tuesday, April 9, 2019 - 5:00pm

Monday, May 6, 2019 - 8:00am to Tuesday, May 7, 2019 - 5:00pm

More Info:

PDF icon Duct Training April 8-9 Idaho Falls.pdf

PDF icon Duct Training May 6-7 Meridian.pdf

This two-day 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.


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 Idaho 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

This Training Includes:

  • DET training workbook
  • Written DET Verifier exam
  • In-field DET Verifier exam
  • Certificate of course completion

Additional Information:

  • Students must bring a calculator for the field and written exam.
  • Class is limited to 10 students. Register now to reserve your space!