Already have BPI Certification

Does my (BPI) Building Performance Institute certifications as Building Analyst and Envelope Professional allow for InterNACHI certification?

I would think that you need to pass the requirements for InterNACHI certification as well.

Counts for CE: https://www.nachi.org/bpi-approved-internachi-course.htm

With this information. How would I move forward with InterNACHI certification?

We have 35 different certifications. They are listed here: Certification Logos for Your Inspection Business - InterNACHI®