North Carolina PSI Heating Group 3, Class II Course Home Study Course

Online Home Study Course include: 

• 1-year or UNLIMITED access to the online courses (50% discounts on extensions)
• Access to an instructor via Phone call, Text message, Zoom, or email.
• How to take this course video
• How to register for the exam(s)
• How to operate the computer-based testing video
• The 6 segments of test-taking techniques 
• List of required reference books for your exam and when they update
• Highlight & tab locations for the required reference books
• Printable Practice Exams by book to allow you to focus on what you don't know
• 2 Final Exams with question, answer, page number, book & solution

Reference List:

A - Administration Code and Policies, 2018 Edition

F - Residential Code, 2018 Edition

G - Board's Laws & Rules - 2025 or 2026 Edition

H - Business & Project Management for Contractors, 6th or 7th Ed.

J - Manual J - Res. Load Calculation, 8th Ed., Ver. 2

M - Manual D - Residential Duct Design, 3rd Ed., Vol. 1

O - Modern Refrigeration & Air Conditioning 22nd Edition

R - Duct Calculator Slide Rule

Candidate Reference List

updated 12/12/2025