Required cleaning frequency according to NFPA96 Codes:
| Low-volume cooking (Churches, Senior Centers) | Annually |
| Moderate-volume cooking | Semi-annually |
| High-volume cooking (24hr, Charbroil, Wok) | Quarterly |
| Solid Fuel Cooking (Wood, Charcoal) | Monthly |
| Low-volume cooking (Churches, Senior Centers) | Annually |
| Moderate-volume cooking | Semi-annually |
| High-volume cooking (24hr, Charbroil, Wok) | Quarterly |
| Solid Fuel Cooking (Wood, Charcoal) | Monthly |