Recommended Air Change Rates

Extractor Fans | Information | Recommended Air Change Rates

Recommended Air Change Rates...

In order for you to select the correct extractor fan for your room, it is important to know how much air you will need to move. Below is a guide to the recommended air change rates for most applications:

Location	Air Change Rate (ACH)
Assembly Halls	4 - 8
Bakeries	20 - 30
Banks	4 - 8
Bathrooms	6 - 10
Bedrooms	2 - 4
Billiard Rooms	6 - 8
Boiler Rooms	15 - 30
Cafes and Coffee Bars	10 - 12
Canteens	8 - 12
Cellars	3 - 10
Changing Rooms - Main Area	6 - 10
Changing Rooms - Shower Area	15 - 20
Churches	1 - 3
Cinemas and Theatres	10 - 15
Club Rooms	10 - 12
Compressor Rooms	10 - 20
Conference Rooms	8 - 12
Dance Halls	8 - 12
Dental Surgeries	12 - 15
Dye Works	20 - 30
Electroplating Shops	10 - 12
Engine Rooms	15 - 30
Entrance Halls and Corridors	3 - 5
Factories and Workshops	8 - 10
Foundries	15 - 30
Garage Showrooms	6 - 8
Glasshouses	25 - 60
Gymnasiums	6 minimum
Haridressing Salons	10 - 15
Hospitals - Sterilising	15 - 25
Hospitals - Wards	6 - 8
Kitchens - Domestic	15 - 20
Kitchens - Commercial	20 - 30
Labratories	6 - 15
Laundrettes	10 - 15
Laundries	10 - 30
Lavatories	6 - 15
Lecture Theatres	5 - 8
Libraries	3 - 5
Living Rooms	3 - 6
Mushroom Houses	6 - 10
Offices	6 - 10
Paint Shops (not cellulose)	10 - 20
Photo & X-ray Darkrooms	10 - 15
Public House Bars	10 - 15
Recording Studios	10 - 12
Recording Control Rooms	15 - 25
Restaurants	8 - 12
School Rooms	5 - 7
Shops & Showrooms	8 - 15
Shower Baths	15 - 20
Stores & Warehouses	3 - 6
Swimming baths	10 - 15
Toilets	6 - 10
Utility Rooms	15 - 20
Welding Shops	15 - 30

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