HVAC / Chiller Operating Engineer Third Class

Test Fee $45.00

Requirements to take test

  • Minimum age – 18
  • Education - High School Diploma, GED or equivalent.
  • Experience - 6 months or 3 credit hour of HVAC Training or equivalent.

Examination – Written Test 50 Questions Multiple Choice

Licensed to Operate after successfully passing test

  • Maximum Refrigeration or Air Conditioning (unsupervised) 400ton

Recommended Books and Reading

  • HVAC Water Chillers and Cooling Towers CRC Press
  • HVAC and Refrigeration Systems American Technical Publishers
  • Industrial Maintenance and Troubleshooting American Technical Publishers  

Test will include competency and proficiency questions in the below listed areas:

  • Mathematics
  • General Industrial Safety
  • Thermodynamics and Heat
  • Basic Electricity
  • Psychometrics
  • Forced Air Heating and Cooling Systems
  • Refrigeration Principles
  • Management of Refrigerants and Refrigeration Systems
  • Basic Pressure-Enthalpy Diagrams
  • Compression Systems –Low Side
  • Compression System- High Side
  • Air Condition Systems
  • Heat Pumps
  • Cooling Tower Operation, Maintenance & Water Treatment
  • Control Systems
  • Heating and Cooling Loads and Calculations
  • HVAC Unit Selection
  • Forced Air System Design
  • Hydronic System Design
  • Distribution System Balance
  • Introduction to Absorption Chillers
  • Basic Maintenance Principles
  • Basic Service and Repair Principles
  • Electronic and Programmable Controllers
  • Mechanical Systems
  • Fluid Power Systems
  • Troubleshooting