ME08: RECOMMENDED AIR CHANGES PER HOUR (ACH or ACPH)

Type of RoomAir Change Rate /Hour
Shower Area15 To 20
Bathroom & Shower Rooms15 To 20
Bathroom6 To 10
Bedrooms2 To 4
Halls & Landings4 To 6
Kitchens10 To 20
Living & Other Domestic Rooms4 To 6
Toilets – Domestic6 To 10
Utility Rooms15 To 20
Cafés10 To 15
Canteens8 To 12
Cellars3 To 10
Changing Rooms with Showers15 To 20
Conference Rooms8 To 12
Garages6 To 10
Hairdressing Salons10 To 15
Hospital Wards6 To 8
Laundries & Launderettes10 To 15
Meeting Rooms6 To 12
Offices4 To 6
Restaurants & Bars10 To 15
School Rooms5 To 7
Shops8 To 10
Sports Facilities4 To 6
Store Rooms3 To 6
Workshops6 To 10
Assembly rooms4 To 8
Bakeries20 To 30
Banks/Building Societies4 To 8
Billiard Rooms *6 To 8
Boiler Rooms15 To 30
Canteens8 To 12
Changing Rooms Main area6 To 10
Changing Rooms Shower area15 To 20
Churches1 To 3
Cinemas and theatres *10 To 15
Club rooms0.12
Compressor rooms10 To 15
Dairies8 To 10
Dance halls0.12
Dental surgeries12 To 15
Dye works20 – 30
Electroplating shops10 To 12
Engine rooms15 To 30
Entrance halls & corridors3 To 5
Factories and workshops8 To 10
Foundries15 To 30
Glasshouses25 To 60
Gymnasiums0.6
Hospitals – Sterilizing15 To 25
Kitchens – Domestic15 To 20
Kitchens – Commercial0.3
Laboratories6 To 15
Lavatories6 To 15
Lecture theatres5 To 8
Libraries3 To 5
Mushroom houses6 To 10
Paint shops (not cellulose)10 To 20
Photo & X-ray darkrooms10 To 15
Public house bars0.12
Recording control rooms15 To 25
Recording studios10 To 12
Shops and supermarkets8 To 15
Squash courts0.04
Swimming baths10 To 15
Welding shops15 To 30
Basement Parking15-30
Residential Basement3–4
Residential Bathroom6-7
Residential Living Rooms6-8
Laundry8-9
Business Lunch Break Rooms7-8
Business Copy Rooms10-12
Computer Rooms10-14
Restaurant Dining Area8-10
Restaurant Food Staging Area10-12
Public Hallway6-8
Public Retail Store6-10
Public Foyer8-10
Smoking rooms15-20
Classrooms3-4
Warehousing3-10


Book of Engineering - Online Engineering Reference  | Product Hunt