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Typical Air Change Rates

Typical Air Change Rates
Jaime Graymead
May 26, 2020

TECHNICAL BULLETIN: TYPICAL AIR CHANGE RATES
Date: 14th June 2006

These are some simple guidelines on air change rates in indoor spaces. These do not relate to any particular industry standard, and guidance from current regulation, standards and guidance should be sought:

SpaceChange/hr
Bathroom and Shower3
Beadrooms2
Cafes10
Canteens8
Cellars3
Changing Rooms15
Conference Rooms8
Garages6
Hairdressers10
Halls and Landings3
Hospitals4
Domestic Rooms3
Kitchen - Domestic10
Laundries3
Meeting rooms4
Offices6
Restaurants and Bars6
Schools2
Toilets - Domestic3
Toilets - Public10
Workshops6
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