The North Carolina Heating Group 2 Technician Exam is designed for professionals working with larger commercial HVAC systems and refrigeration equipment. This exam requires strong knowledge of mechanical codes, commercial load calculations, duct system design, refrigeration theory, and state licensing laws.
This comprehensive book package includes the approved references necessary to properly prepare for the Heating Group 2 Technician examination.
North Carolina Administration Code and Policies, 2018 Edition
North Carolina Fuel Gas Code, 2018 Edition
North Carolina Mechanical Code, 2018 Edition
North Carolina Energy Conservation Code, 2018 Edition
NC Boardβs Laws & Rules β 2026 Edition
Manual CS β Commercial Applications, Systems & Equipment (1993)
Manual N β Commercial Load Calculation for Small Commercial Buildings, 5th Edition
Manual Q β Commercial Low Pressure, Low Velocity Duct System Design (1990)
Modern Refrigeration and Air Conditioning, 22nd Edition
Ductulator
The Heating Group 2 Technician exam focuses heavily on:
β Commercial HVAC system applications
β Refrigeration cycles and system components
β Commercial load calculations
β Duct system design principles
β Mechanical and fuel gas code compliance
β Energy conservation requirements
β North Carolina licensing laws and regulations
This is a technical, calculation-driven exam that requires familiarity with commercial systems and refrigeration theory β not just basic HVAC knowledge.
Technicians applying for the North Carolina Heating Group 2 license
Commercial HVAC professionals upgrading credentials
Refrigeration technicians expanding into heating licensure
Candidates who want a structured, complete exam preparation set
The exam is open book β but success depends on your ability to navigate formulas, charts, tables, and code sections quickly and accurately.
This package ensures you have:
The correct North Carolina code editions
The required ACCA commercial manuals
A comprehensive refrigeration reference
The tools needed to confidently approach calculation-based questions
Set yourself up to pass the Heating Group 2 Technician exam the first time by preparing with the official references used for testing.