Chapter 25 - National Skills Standards
- Section CV-2501 - Safety and Environment
- Section CV-2503 - Electrical Principles
- Section CV-2505 - Refrigeration Principles and Practices
- Section CV-2507 - Air Conditioning Principles
- Section CV-2509 - Heating Principles
- Section CV-2511 - Residential and Light Commercial Heating
- Section CV-2513 - Heat Pump
- Section CV-2515 - Residential and Light Commercial Air Conditioning
- Section CV-2517 - Commercial Air Conditioning Systems
- Section CV-2519 - Commercial Refrigeration