Illinois DFPR Renews Approval of InterNACHI's Calculating Envelope Energy Loss Course

[bgromicko (Ben J. Gromicko)]

Illinois Department of Financial and Professional Regulation IDFPR renews their approval of InterNACHI’s free, online Calculating Envelope Energy Loss Course.

[gromicko (Nick Gromicko, CMI)]

Planet InterNACHI… resistance is futile.