Teaches technicians across the residential tree; broad verified competence plus the craft of teaching.

Usually from a shop of about 10. 37 required, 89 recommended and 24 elective skills in 4 stages.

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

Stage 1 · Foundation

23 required · 10 recommended · 1 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. Refrigeration cycle basics Refrigeration Circuit
19. Saturation tables and P/T charts Refrigeration Circuit
20. Carbon monoxide safety Heating Safety-critical
21. Combustion fundamentals Heating
22. Psychrometrics fundamentals Building Science & IAQ
23. Customer communication fundamentals Business & Leadership

Recommended

1. Airflow measuring tools Airflow & Ducts
2. Duct insulation Airflow & Ducts
3. Refrigerant piping basics Refrigeration Circuit
4. Line set insulation and support Refrigeration Circuit
5. Gauges and service valves Refrigeration Circuit
6. Furnace configurations and components Heating
7. Electric heat fundamentals Heating
8. Condensate drain installation Cooling & Heat Pumps
9. Building science fundamentals Building Science & IAQ
10. Filtration Building Science & IAQ

Elective

1. Call handling and booking Business & Leadership

Stage 2 · Core

13 required · 50 recommended · 8 elective

Required

1. Rigging, hot work and confined spaces Foundation & Safety Safety-critical
2. Reading wiring diagrams Electrical & Controls
3. Measuring static pressure Airflow & Ducts
4. Measuring total system airflow Airflow & Ducts
5. System evacuation Refrigeration Circuit
6. Superheat and subcooling Refrigeration Circuit
7. Recovery, recycling and reclaim Refrigeration Circuit Safety-critical
8. A2L refrigerant fundamentals Refrigeration Circuit Safety-critical
9. Venting systems Heating Safety-critical
10. Gas piping Heating Safety-critical
11. Heat pump cycle and reversing valve Cooling & Heat Pumps
12. Manual J load calculation Design & Commissioning
13. Systematic troubleshooting method Design & Commissioning

Recommended

1. Transformers and control voltage Electrical & Controls
2. Run and start capacitors Electrical & Controls
3. Single-phase motors Electrical & Controls
4. Contactors, relays and solenoids Electrical & Controls
5. Sensors and thermistors Electrical & Controls
6. Conventional thermostat wiring Electrical & Controls
7. High and low voltage verification Electrical & Controls
8. Airflow for capacity Airflow & Ducts
9. Sheet metal fabrication Airflow & Ducts
10. Duct board and flex duct installation Airflow & Ducts
11. Duct routing and support Airflow & Ducts
12. Duct sealing and leakage testing 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. Charging by weight Refrigeration Circuit
23. Leak detection Refrigeration Circuit
24. Gas valves and burners Heating
25. Ignition and flame proving Heating
26. Gas pressure, input and derating Heating
27. Temperature rise and furnace airflow Heating
28. Oil burner fundamentals Heating
29. Electric heat service and installation Heating
30. Indoor equipment installation Cooling & Heat Pumps
31. Outdoor and package unit installation Cooling & Heat Pumps
32. Defrost controls Cooling & Heat Pumps
33. Heat pump thermostats and auxiliary heat Cooling & Heat Pumps
34. Heat pump charging Cooling & Heat Pumps
35. Heat pump types and selection Cooling & Heat Pumps
36. Ductless mini-split installation Cooling & Heat Pumps
37. Power and amperage commissioning checks Cooling & Heat Pumps
38. Moisture and vapour control Building Science & IAQ
39. Blower door testing Building Science & IAQ
40. Psychrometric chart plotting Building Science & IAQ
41. Ventilation strategies Building Science & IAQ
42. Air purification and pollutant control Building Science & IAQ
43. Humidification and dehumidification Building Science & IAQ
44. Efficiency standards and incentives Building Science & IAQ
45. Manual S equipment selection Design & Commissioning
46. Commissioning fundamentals Design & Commissioning
47. Wireless probes and diagnostic apps Design & Commissioning
48. DDC and control theory Commercial & BAS
49. Explaining system options to homeowners Business & Leadership
50. Digital tools and remote diagnostics Business & Leadership

Elective

1. Rooftop and VAV systems Commercial & BAS
2. Commercial refrigeration fundamentals Commercial & BAS
3. Preventive maintenance programs Commercial & BAS
4. Comfort advisor sales process Business & Leadership
5. Pricing and proposals Business & Leadership
6. Dispatching and scheduling Business & Leadership
7. Office operations and administration Business & Leadership
8. Inventory and warehouse management Business & Leadership

Stage 3 · Advanced

1 required · 28 recommended · 13 elective

Required

1. Teaching and mentoring technicians Business & Leadership

Recommended

1. ECM and variable-speed motors Electrical & Controls
2. Communicating and smart thermostats Electrical & Controls
3. Electrical troubleshooting Electrical & Controls
4. Panel capacity for electrification Electrical & Controls
5. Air balancing Airflow & Ducts
6. Charging blends and manufacturer methods Refrigeration Circuit
7. Refrigerant charge diagnostics Refrigeration Circuit
8. Compressor efficiency and failure analysis Refrigeration Circuit
9. A2L installation and service Refrigeration Circuit Safety-critical
10. Combustion analysis Heating
11. Gas furnace troubleshooting Heating
12. Oil furnace setup and tuning Heating
13. Variable-speed systems Cooling & Heat Pumps
14. Multi-zone mini-split charging and service Cooling & Heat Pumps
15. Cold-climate heat pump performance Cooling & Heat Pumps
16. Dual-fuel systems Cooling & Heat Pumps
17. Residential AC troubleshooting Cooling & Heat Pumps
18. Heat pump troubleshooting Cooling & Heat Pumps
19. Building pressure diagnostics Building Science & IAQ
20. Energy auditing Building Science & IAQ
21. Heat pump sizing strategies Design & Commissioning
22. Manual D duct design Design & Commissioning
23. Manual T air distribution Design & Commissioning
24. Refrigerant line sizing Design & Commissioning
25. Total system performance verification Design & Commissioning
26. Existing system performance optimisation Design & Commissioning
27. Fault codes and board-level diagnostics Design & Commissioning
28. Regulatory and technology transition Business & Leadership

Elective

1. Commercial AC controls and safeties Commercial & BAS
2. Chilled water and cooling towers Commercial & BAS
3. Refrigeration regulators and controls Commercial & BAS
4. Low-temperature system installation Commercial & BAS
5. Three-phase motors and power Commercial & BAS
6. VFDs and commercial wiring Commercial & BAS
7. Commercial prints and sequences of operation Commercial & BAS
8. BAS networks and protocols Commercial & BAS
9. Controllers, sensors and actuators Commercial & BAS
10. Service department management Business & Leadership
11. Installation department management Business & Leadership
12. Financial fundamentals for contractors Business & Leadership
13. Hiring and onboarding Business & Leadership

Stage 4 · Specialist

1 recommended · 2 elective

Recommended

1. Leadership and company culture Business & Leadership

Elective

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