Course Overview
Purchase all your required materials for the North Carolina Heating Group 3, Class 1, Contractor’s License book package includes the following:
- North Carolina Administration Code and Policies
- North Carolina Fuel Gas Code
- North Carolina Mechanical Code
- North Carolina Energy Conservation Code
- North Carolina Residential Code
- North Carolina Business & Project Management for Contractors
- Manual J – Res. Load Calculations
- Manual N – Load Calculation for Commercial Summer & Winter Air Conditioning
- Manual Q – Commercial Low Pressure, Low Velocity Duct System Design
- Manual D – Residential Duct Design
- Modern Refrigeration & Air Conditioning
- North Carolina Laws & Rules January 2026
- Duct Calculator Slide Rule
- North Carolina Heating Group 3, Class 1 Contractor – Tab Pack





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