Services rooftop, chilled-water and VAV systems and the controllers, networks and programming of building automation.

Usually from a shop of about 5. 85 required, 15 recommended and 36 elective skills in 4 stages.

Beyond residential

Stages follow the tiers: Foundation, then Core, then Advanced. Skills inside a stage are in learning order.

Stage 1 · Foundation

28 required · 2 recommended · 3 elective

Required

1. PPE and jobsite hazards Foundation & Safety Safety-critical
2. Ladders and fall protection Foundation & Safety Safety-critical
3. Lockout / tagout Foundation & Safety Safety-critical
4. Emergency first aid Foundation & Safety Safety-critical
5. Refrigerant and nitrogen handling safety Foundation & Safety Safety-critical
6. Heat, matter and pressure Foundation & Safety
7. Hand tools and instruments orientation Foundation & Safety
8. Trade math basics Foundation & Safety
9. Measurement and unit conversion Foundation & Safety
10. Industry orientation Foundation & Safety
11. Efficiency ratings literacy Foundation & Safety
12. Electrical shock and burn prevention Electrical & Controls Safety-critical
13. Electricity and circuit laws Electrical & Controls
14. Series, parallel and combination circuits Electrical & Controls
15. Conductors, insulators and circuit protection Electrical & Controls
16. Using electrical meters Electrical & Controls
17. Airflow fundamentals Airflow & Ducts
18. Airflow measuring tools Airflow & Ducts
19. Refrigeration cycle basics Refrigeration Circuit
20. Saturation tables and P/T charts Refrigeration Circuit
21. Refrigerant piping basics Refrigeration Circuit
22. Line set insulation and support Refrigeration Circuit
23. Gauges and service valves Refrigeration Circuit
24. Carbon monoxide safety Heating Safety-critical
25. Electric heat fundamentals Heating
26. Psychrometrics fundamentals Building Science & IAQ
27. Filtration Building Science & IAQ
28. Customer communication fundamentals Business & Leadership

Recommended

1. Combustion fundamentals Heating
2. Condensate drain installation Cooling & Heat Pumps

Elective

1. Duct insulation Airflow & Ducts
2. Furnace configurations and components Heating
3. Building science fundamentals Building Science & IAQ

Stage 2 · Core

39 required · 7 recommended · 19 elective

Required

1. Rigging, hot work and confined spaces Foundation & Safety Safety-critical
2. Reading wiring diagrams Electrical & Controls
3. Transformers and control voltage Electrical & Controls
4. Run and start capacitors Electrical & Controls
5. Single-phase motors Electrical & Controls
6. Contactors, relays and solenoids Electrical & Controls
7. Sensors and thermistors Electrical & Controls
8. Conventional thermostat wiring Electrical & Controls
9. High and low voltage verification Electrical & Controls
10. Measuring static pressure Airflow & Ducts
11. Measuring total system airflow Airflow & Ducts
12. Airflow for capacity Airflow & Ducts
13. Blower setup and speed adjustment Airflow & Ducts
14. Belt-drive blower maintenance Airflow & Ducts
15. Refrigerant types and blends Refrigeration Circuit
16. Compressors and oils Refrigeration Circuit
17. Condensers and evaporators Refrigeration Circuit
18. Metering devices Refrigeration Circuit
19. Line components and pressure controls Refrigeration Circuit
20. Nitrogen purge and pressure testing Refrigeration Circuit
21. Brazing and soldering Refrigeration Circuit
22. System evacuation Refrigeration Circuit
23. Charging by weight Refrigeration Circuit
24. Superheat and subcooling Refrigeration Circuit
25. Leak detection Refrigeration Circuit
26. Recovery, recycling and reclaim Refrigeration Circuit Safety-critical
27. A2L refrigerant fundamentals Refrigeration Circuit Safety-critical
28. Venting systems Heating Safety-critical
29. Gas piping Heating Safety-critical
30. Electric heat service and installation Heating
31. Power and amperage commissioning checks Cooling & Heat Pumps
32. Ventilation strategies Building Science & IAQ
33. Manual J load calculation Design & Commissioning
34. Manual S equipment selection Design & Commissioning
35. Commissioning fundamentals Design & Commissioning
36. Systematic troubleshooting method Design & Commissioning
37. Rooftop and VAV systems Commercial & BAS
38. DDC and control theory Commercial & BAS
39. Preventive maintenance programs Commercial & BAS

Recommended

1. Duct sealing and leakage testing Airflow & Ducts
2. Outdoor and package unit installation Cooling & Heat Pumps
3. Heat pump cycle and reversing valve Cooling & Heat Pumps
4. Psychrometric chart plotting Building Science & IAQ
5. Wireless probes and diagnostic apps Design & Commissioning
6. Commercial refrigeration fundamentals Commercial & BAS
7. Digital tools and remote diagnostics Business & Leadership

Elective

1. Sheet metal fabrication Airflow & Ducts
2. Duct board and flex duct installation Airflow & Ducts
3. Duct routing and support Airflow & Ducts
4. Gas valves and burners Heating
5. Ignition and flame proving Heating
6. Gas pressure, input and derating Heating
7. Temperature rise and furnace airflow Heating
8. Oil burner fundamentals Heating
9. Indoor equipment installation Cooling & Heat Pumps
10. Defrost controls Cooling & Heat Pumps
11. Heat pump thermostats and auxiliary heat Cooling & Heat Pumps
12. Heat pump charging Cooling & Heat Pumps
13. Heat pump types and selection Cooling & Heat Pumps
14. Ductless mini-split installation Cooling & Heat Pumps
15. Moisture and vapour control Building Science & IAQ
16. Blower door testing Building Science & IAQ
17. Air purification and pollutant control Building Science & IAQ
18. Humidification and dehumidification Building Science & IAQ
19. Efficiency standards and incentives Building Science & IAQ

Stage 3 · Advanced

16 required · 6 recommended · 14 elective

Required

1. ECM and variable-speed motors Electrical & Controls
2. Communicating and smart thermostats Electrical & Controls
3. Electrical troubleshooting Electrical & Controls
4. Air balancing Airflow & Ducts
5. Refrigerant charge diagnostics Refrigeration Circuit
6. Compressor efficiency and failure analysis Refrigeration Circuit
7. Manual D duct design Design & Commissioning
8. Manual T air distribution Design & Commissioning
9. Fault codes and board-level diagnostics Design & Commissioning
10. Commercial AC controls and safeties Commercial & BAS
11. Chilled water and cooling towers Commercial & BAS
12. Three-phase motors and power Commercial & BAS
13. VFDs and commercial wiring Commercial & BAS
14. Commercial prints and sequences of operation Commercial & BAS
15. BAS networks and protocols Commercial & BAS
16. Controllers, sensors and actuators Commercial & BAS

Recommended

1. Charging blends and manufacturer methods Refrigeration Circuit
2. A2L installation and service Refrigeration Circuit Safety-critical
3. Residential AC troubleshooting Cooling & Heat Pumps
4. Heat pump troubleshooting Cooling & Heat Pumps
5. Total system performance verification Design & Commissioning
6. Refrigeration regulators and controls Commercial & BAS

Elective

1. Panel capacity for electrification Electrical & Controls
2. Combustion analysis Heating
3. Gas furnace troubleshooting Heating
4. Oil furnace setup and tuning Heating
5. Variable-speed systems Cooling & Heat Pumps
6. Multi-zone mini-split charging and service Cooling & Heat Pumps
7. Cold-climate heat pump performance Cooling & Heat Pumps
8. Dual-fuel systems Cooling & Heat Pumps
9. Building pressure diagnostics Building Science & IAQ
10. Energy auditing Building Science & IAQ
11. Heat pump sizing strategies Design & Commissioning
12. Refrigerant line sizing Design & Commissioning
13. Existing system performance optimisation Design & Commissioning
14. Low-temperature system installation Commercial & BAS

Stage 4 · Specialist

2 required

Required

1. Multiple compressor and evaporator systems Commercial & BAS
2. BAS programming and configuration Commercial & BAS