| Type of Room | Air Change Rate /Hour |
| Shower Area | 15 To 20 |
| Bathroom & Shower Rooms | 15 To 20 |
| Bathroom | 6 To 10 |
| Bedrooms | 2 To 4 |
| Halls & Landings | 4 To 6 |
| Kitchens | 10 To 20 |
| Living & Other Domestic Rooms | 4 To 6 |
| Toilets – Domestic | 6 To 10 |
| Utility Rooms | 15 To 20 |
| Cafés | 10 To 15 |
| Canteens | 8 To 12 |
| Cellars | 3 To 10 |
| Changing Rooms with Showers | 15 To 20 |
| Conference Rooms | 8 To 12 |
| Garages | 6 To 10 |
| Hairdressing Salons | 10 To 15 |
| Hospital Wards | 6 To 8 |
| Laundries & Launderettes | 10 To 15 |
| Meeting Rooms | 6 To 12 |
| Offices | 4 To 6 |
| Restaurants & Bars | 10 To 15 |
| School Rooms | 5 To 7 |
| Shops | 8 To 10 |
| Sports Facilities | 4 To 6 |
| Store Rooms | 3 To 6 |
| Workshops | 6 To 10 |
| Assembly rooms | 4 To 8 |
| Bakeries | 20 To 30 |
| Banks/Building Societies | 4 To 8 |
| Billiard Rooms * | 6 To 8 |
| Boiler Rooms | 15 To 30 |
| Canteens | 8 To 12 |
| Changing Rooms Main area | 6 To 10 |
| Changing Rooms Shower area | 15 To 20 |
| Churches | 1 To 3 |
| Cinemas and theatres * | 10 To 15 |
| Club rooms | 0.12 |
| Compressor rooms | 10 To 15 |
| Dairies | 8 To 10 |
| Dance halls | 0.12 |
| Dental surgeries | 12 To 15 |
| Dye works | 20 – 30 |
| Electroplating shops | 10 To 12 |
| Engine rooms | 15 To 30 |
| Entrance halls & corridors | 3 To 5 |
| Factories and workshops | 8 To 10 |
| Foundries | 15 To 30 |
| Glasshouses | 25 To 60 |
| Gymnasiums | 0.6 |
| Hospitals – Sterilizing | 15 To 25 |
| Kitchens – Domestic | 15 To 20 |
| Kitchens – Commercial | 0.3 |
| Laboratories | 6 To 15 |
| Lavatories | 6 To 15 |
| Lecture theatres | 5 To 8 |
| Libraries | 3 To 5 |
| Mushroom houses | 6 To 10 |
| Paint shops (not cellulose) | 10 To 20 |
| Photo & X-ray darkrooms | 10 To 15 |
| Public house bars | 0.12 |
| Recording control rooms | 15 To 25 |
| Recording studios | 10 To 12 |
| Shops and supermarkets | 8 To 15 |
| Squash courts | 0.04 |
| Swimming baths | 10 To 15 |
| Welding shops | 15 To 30 |
| Basement Parking | 15-30 |
| Residential Basement | 3–4 |
| Residential Bathroom | 6-7 |
| Residential Living Rooms | 6-8 |
| Laundry | 8-9 |
| Business Lunch Break Rooms | 7-8 |
| Business Copy Rooms | 10-12 |
| Computer Rooms | 10-14 |
| Restaurant Dining Area | 8-10 |
| Restaurant Food Staging Area | 10-12 |
| Public Hallway | 6-8 |
| Public Retail Store | 6-10 |
| Public Foyer | 8-10 |
| Smoking rooms | 15-20 |
| Classrooms | 3-4 |
| Warehousing | 3-10 |
