| Nature of the place |
Number of air refreshes per hour
|
|
banks
|
6 - 10
|
|
bars and cafes *
|
10 - 12
|
|
movie theaters*
|
10 - 15
|
|
commercial kitchens
|
15 - 20
|
|
household kitchens
|
10 - 15
|
|
factories in general
|
6 - 12
|
|
foundries
|
20 - 30
|
|
garages
|
6 - 8
|
|
churches
|
2 - 3
|
|
washbasins
|
10 - 15
|
|
laundries
|
20 - 30
|
|
paint shops
|
30 - 60
|
|
restaurants *
|
6 - 10
|
|
ballrooms *
|
6 - 8
|
|
boiler room
|
20 - 30
|
|
games room * (billiards)
|
6 - 8
|
|
classroom*
|
2 - 4
|
|
theaters
|
10 - 15
|
|
* In places with smokers it is necessary to double the number of renovations.
| |
Number of air refreshes per hour (depending on location)
