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

Struggling to choose an extractor fan?

Struggling to choose an extractor fan?

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