- Gas
Commercial ACS Gas Safety (Modules)
- BMP1 Gas Boosters (Formerly CBHP1)
- CDGA1 Direct Fired Gas Appliances
- CGFE1 Gas Fuelled Engines Course
- CIGA1 Indirect Fired Gas Appliances
- CORT1 Radiant Tube & Plaque Heaters
- COCN1 Core Gas Safety Course
- CODNCO1 Domestic to Commercial Changeover Course
- ICPN1 Commercial Pipework
- TPCP1A Testing & Purging (<1m³ in Volume)
- TPCP1 Testing & Purging (>1m³ in Volume)
- Electric
- Plumbing
- Renewables
- Oil
- Safety
- Refrigeration
- New Entrants
