Air Change Guide
| COMMERCIAL | AC/H | DOMESTIC | AC/H | |
| Assembly rooms | 4 - 8 | Bathroom | 6 - 10 | |
| Bakeries | 20 - 30 | Bedroom | 2 - 4 | |
| Banks | 3 - 4 | Cellar | 4 - 8 | |
| Cafes, Coffee Bars | 10 - 12 | Garage | 6 - 8 | |
| Canteens | 5 - 10 | Kitchen | 10 - 15 | |
| Conference Rooms | 8 - 12 | Laundry Room | 10 - 15 | |
| Dance Halls | 6 - 8 | Toilet | 8 - 12 | |
| Entrance Halls | 3 - 5 | |||
| Hair Dressing Salons | 10 - 15 | |||
| Laundries | 15 - 30 | |||
| Lavatories | 8 - 15 | |||
| Libraries | 3 - 5 | |||
| Offices | 4 - 8 | |||
| Photo dark rooms | 10 - 15 | |||
| Recording Studios | 10 - 12 | |||
| Restaurants | 6 - 10 | |||
| School rooms | 2 - 4 | |||
| These values must not take the place of any regulation requirements and can be modified for applications. |
| Dependant on volume one or more fans may need to be selected |