BPI Infiltration and Duct Leakage (IDL) Certification

$595 BPI Infiltration and Duct Leakage (IDL) Certification


     Contractors Institute is an authorized testing center for BPI-IDL Certification.  Although BPI does not require training prior to attempting certification. individuals typically perform better on the BPI IDL exam after completing the specialized education & hands on training offered through the CI Certified CI-BDT (Blower Door Technician) program.

    The BPI-IDL exam consists of three main components relating to Air Infiltration and Duct Leakage: whole house air infiltration verification & testing, total air distribution system leakage and air distribution leakage to the outside. All specific to new residential construction.


    The testing portion of the certification for BPI-IDL  is held exclusively at Contractors Institute Learning Center on the West Coast of Florida in Pasco County, Hudson. Our fully equipped testing facility utilizes Retrotec equipment and offers a one-stop shop for complete Infiltration and Duct Leakage Certification.  This professional certification requires verification of knowledge, skills, and field performance of set up and preparation of the whole house depressurization, utilizing a blower door assembly as well as a duct pressurization test, performing total system leakage, leakage to the outside and general analysis. A passing mark of 85% is required for successful certification.


    It is STRONGLY recommended that candidates complete the CI Certified Blower Door Technician training as laid out HERE.

This two hour session includes a brief overview and discussion of the equipment used for testing and the necessary review of the critical tasks needed to complete the field exam.

 Visit our certification training page for more details on getting ready!

1-877-LICENSE (542-3673)

For more information about BPI’s Infiltration and Duct Leakage Certification CLICK HERE!