Description
The BPI Envelope Certification is a more advanced home energy auditor certification that focuses on ways to tighten a home-s exterior boundary, or its envelope.
A BPI Envelope Professional is a person who evaluates uncontrolled air leakage into and out of a home. This knowledge can stop ice dams, mildew, and mold from forming inside the home.
Price (not through NCBPA): $1,799
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