| Aspect | Class A Gas Fitter | Class B Gas Fitter |
|---|
| Certifications | Requires specific licensing and certification for high-pressure gas systems | Requires certification for low-pressure gas systems |
| Work Environment | Handles high-pressure gas lines, often in commercial or industrial settings | Works with low-pressure gas lines, typically in residential settings |
| Industry Usage | Commonly employed in industrial, commercial, and large-scale projects | Primarily used in residential and small commercial installations |
Class A Gas Fitters are trained and licensed to work with high-pressure gas systems, often in larger or industrial projects, while Class B Gas Fitters focus on low-pressure systems in residential or small commercial environments. Both roles require specific certifications, but their scope and work settings differ significantly.