BPI Infiltration & Duct Leakage Training

  • Required    Included    Optional
  • No Prerequisite!
  • Instant 24/7 Access
  • 9 hr Training & Quizzes
  • 9 Total BPI CEUs 
  • Printable Certificate of Completion
  • 10% Retrotec Discount
  • Guaranteed - We Re-Train for Free
  • Bundle - Live Training!
  • Bundle - BA-T Training!
  • Bundle - Proctored Field Exam


Live Instruction options Plus Instant Online Content
  • All Our Instructors with decades of industry experience, and are BPI certified in the content they teach
  • 9 Hours of training - 24/7 Access
  • 9 Total BPI CEUs 
  • Dozens of EnergyScore® Infiltration & Duct Leakage Sample Test Questions
  • Printable Certificate of Completion, Upload for CEUs
  • No Written exam!
  • Bundle with the Live Proctored Field Exam!
  • Bundle the Building Science Principles (BSP) Certificate Training & Testing (Pre or Corequisite)
  • Bundle Building Analyst - Tech Training & Save!
  • One-on-one Field examinations will be held late week, register now to pick first!

What's Covered:

Live Comprehensive Training & Testing!
  • The BPI Infiltration and Duct Leakage (IDL) Certification is a single measure certification that meets IECC code compliance for builders, contractors and code officials who must perform duct leakage test, duct blaster testing and/or blower door tests on new construction or renovations to existing properties. Passing the exam (field exam only) verifies the candidates can conduct duct leakage testing, duct blaster testing and blower door tests to the ASTM E1554-07 standard and awards the candidate with the BPI Infiltration and Duct Leakage (IDL) Certification.
  • The BPI Infiltration & Duct Leakage  Standards and concepts
  • Learn Duct Blaster Testing; Subtraction method, Duct leakage and Duct Leakage to the Outside
  • Learn Blower Door Testing, concepts and the use of the Blower Door
  • Relevant IECC Limits, CFM25, CFM50, ACH50

use the newest industry equipment:

Learn, Practice & Test on the best!


  • Before Class - Complete the Bundled Online Infiltration & Duct Leakage Training.  Study the Standards!
  • Wednesday: 1pm - Live Field Training (if selected)
  • Thursday/Friday - Field Exams by appointment

Upcoming Live Class (by Start Date)

Online Course Materials

Instant Access!