Event Details

TRAINER: Joe Konopacki of Insight Property Services

This 1-day course is designed by the Midwest Home Performance Association (Formerly the IL Association of Energy Raters - IAER) 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 2015 IL Energy Code. If you've been thinking about getting BPI or HERS Certified but can't yet make the investment, this DET Verifier certification can be your bridge into offering home performance testing services.

After successful completion of this course, you will be able to test the leakage of a building envelope and duct system, and evaluate the results as measured against Illinois 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 (must pass with a 75% on both written and field exams)

This Training Includes:
-DET Verifier Training Workbook
-Written DET Verifier exam
-In-field DET Verifier exam
-Certificate of course completion

*Students must bring a calculator for the field and written exam.


Feel free to arive between 7:30-7:45am to get situated.

**Price includes lunch!


  1. Watch the Math Basics for DET Verifiers video, to ensure your confidence with geometry and basic math calculations
  2. Take the DET Verifier Math Quiz (if you feel this quiz is over your head, PLEASE DO NOT waste your money on the training, only to fail your certification exams at the end of the day)
  3. Watch the videos for How to Use Retrotec equipment used in the course, plusBlower Door setup and Duct Tightness testing and the new DM-32 Smart Gauge

To learn about more upcoming courses view Insights Training Calendar.

Click here to read about our Open Enrollment Courses.

The Building Science Training Series draws upon local and regional experts to impart specific technical skills to local contractors. The courses address topics that have been identified as relevant for Illinois Contractors in order to prepare them for quality whole-home energy upgrade work and participation in the Illinois Home Performacne program. This series is made possible through Illinois Home Performance for ComEd, Nicor Gas, Peoples Gas, and North Shore Gas customers.

  • When: Wed Dec. 12
    8:00 am - 4:00 pm

  • Address: 2055 N. Ruby St
    Melrose Park IL,US 60160

  • Web: Visit Website