Stocks trucks and the warehouse, handles refrigerant and cylinders safely and keeps parts and tools accounted for.

Usually from a shop of about 8. 12 required, 8 recommended and 6 elective skills in 3 stages.

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

Stage 1 · Foundation

9 required · 4 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. Hand tools and instruments orientation Foundation & Safety
7. Trade math basics Foundation & Safety
8. Measurement and unit conversion Foundation & Safety
9. Customer communication fundamentals Business & Leadership

Recommended

1. Industry orientation Foundation & Safety
2. Efficiency ratings literacy Foundation & Safety
3. Electrical shock and burn prevention Electrical & Controls Safety-critical
4. Refrigerant piping basics Refrigeration Circuit

Elective

1. Gauges and service valves Refrigeration Circuit
2. Furnace configurations and components Heating
3. Call handling and booking Business & Leadership

Stage 2 · Core

3 required · 4 recommended · 2 elective

Required

1. Rigging, hot work and confined spaces Foundation & Safety Safety-critical
2. A2L refrigerant fundamentals Refrigeration Circuit Safety-critical
3. Inventory and warehouse management Business & Leadership

Recommended

1. Refrigerant types and blends Refrigeration Circuit
2. Recovery, recycling and reclaim Refrigeration Circuit Safety-critical
3. Office operations and administration Business & Leadership
4. Digital tools and remote diagnostics Business & Leadership

Elective

1. Line components and pressure controls Refrigeration Circuit
2. Heat pump types and selection Cooling & Heat Pumps

Stage 3 · Advanced

1 elective

Elective

1. A2L installation and service Refrigeration Circuit Safety-critical