C-20 Heating, Ventilating and Air Conditioning

The Examination is divided into several major sections. Note that all percentages are estimations. These sections are:

1. System Evaluation and Design (15%)
   • HVAC system design and evaluation
   • HVAC calculations
   • Duct system design and layout
   
   
2. Fabrication (5%)
   • Duct system fabrication
   • Installation preparation
   
   
3. System Installation and Start Up (33%)
   • Electrical components
   • Plumbing and refrigeration components
   • Air distribution and duct systems
   • HVAC system start up
   
   
4. Service, Maintenance, and Repair (37%)
   • HVAC system tests and checks
   • HVAC system maintenance or repair
   
   
5. Safety (12%)
   • Personal protective equipment
   • Safety precautions taken at work site
   • Documentation of hazardous materials