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., we strongly suggest taking advanced of specialized  hands-on training offered through the CI Certified Blower Door Technician training . This 7-hour training will give you hands-on knowledge and skills required to successfully obtain your IDL certification.

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


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.

Click here to enroll in the IDL testing
Click here to enroll in Blower Door Training

1-877-LICENSE (542-3673)

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