Duct and Envelope Tightness (DET) Verifier Training and Certification

Baton Rouge, Louisiana
Duct and Envelope Tightness (DET) Verifier Training and Certification

LaHouse Resource Center
2858 Gourrier Avenue
Baton Rouge, Louisiana 70820

Map and Directions

La. has adopted the 2009 IRC energy chapter.
Certified verifiers are needed statewide.

Course Information:
This two-day course is designed to develop the skills necessary to become a Southface Energy Institute certified Duct and Envelope Tightness (DET) Verifier qualified to perform the diagnostic testing required for new homes by the 2009 and 2012 residential energy codes. LaHouse Resource Center is an authorized provider of the Southface training, exam and certification.

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 the 2009 International Residential Code (IRC) energy chapter requirements. Course content includes:
  • Basic building science concepts of air flow, air pressure and building performance.
  • The relationship between duct and building tightness and requirements of the 2009 IRC energy chapter.
  • Protocols for blower door and duct leakage testing and reporting.
  • Calculations for ACH50 and percent duct leakage
  • Tips for successfully completing the written and in-field DET Verifier certification exams

This training program and the class fee include: 
  • 1.5 days of live, interactive instruction and hands-on practice (plus half day DET exams)
  • DET training handbook
  • Online tutorials
  • Written DET Verifier exam
  • In-field DET Verifier exam
  • DET Verifier Certificate (with passing score on both exams)
  • Certificate of Attendance (for CEU hours)
Who should attend: 
Professionals seeking certification by a nationally recognized testing organization to perform mandated testing by the 2009 residential energy code, building inspectors, HVAC contractors, energy efficiency contractors and service providers, quality assurance construction managers.

Certification: Duct and Envelope Tightness (DET) Verifier Certificate (NOTE: You must receive a passing score on both exams (included in tuition costs) for Southface designation as a DET Verifier.)
Education units: Eligible for 12 CEUs for La. residential contractors
Certificate of attendance will be issued and may qualify for other professional units.

  Paul LaGrange, Bill Robinson or Glenn Ray, LSU AgCenter Building Science Educators

Date, Time and Location:
 Select the AGENDA tab above to see upcoming class dates.  The two-day class is held from 8:00-4:00 in the Teaching Center of LaHouse Resource Center, located on Gourrier Ave., Baton Rouge, La. (directly across from LSU Alex Box Baseball Stadium). Please arrive between 7:45 and 8:00 a.m. for registration and photos taken for inclusion on the certificates.

Prerequisites and Class Supplies:
Online Pre-class Tutorials: Math Basics for DET Verifiers and Basics of Building Science online 1-hour modules (access provided upon registration.
Supplies:  Bring a calculator for the exams, paper and pencil for note taking.

$400 registration fee (includes written and field exams on day 2)* 
*20% discount  on class fee for LHBA and La. Realtor members, LaHouse Gold + Key Contributors,  government and non-profit organization employees, faculty and students. 
NOTE: LSU AgCenter - LaHouse courses quality for the Louisiana Incumbent Worker Training Program tuition reimbursement for eligible employers (see www.laworks.net for IWTP information).
Select Registration Type for appropriate registration fee.
Class size is limited. Payment must be received to reserve your seat.

The LSU AgCenter provides equal opportunities in programs and employment. If you need an accommodation to participate in an event, please contact LaHouse at 225-578-7913 at least two weeks prior to the event.

Additional Information:
If you'd like to see and learn more about duct and envelope testing or the energy code, we recommend the following resources:

Contact Information

  • LaHouse Resource Center 
    Phone: (225) 578-7913

Payment Instructions

  • Payment is required to confirm registration and reserve your seat in the class. 
    You may pay by credit card online with registration or by check.
    To pay by check, please print your invoice and mail or deliver it with the check payable to LSU AgCenter, with "For DET class" and the class location and date in the note, to: 

    Donna Elisar
    Dept. of BAE
    E.B. Doran Building - LSU
    Baton Rouge, La.  70803

    LSU AgCenter or other LSU System employees should use I.T. as their form of payment. Enter the full 9-digit account number that should be charged.

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