NO
BUILDING / ROOM
AIR CHANGE RATES (ACR) (1/hr)
1
All spaces in general
2
Court Houses
4 - 10
3
Attic spaces for cooling
12 - 15
Min 4
4
Dental Centers 8 - 12
8 - 12
5
Auditoriums
8 - 15
6 - 10
6
Department Stores
7
Bakeries
8
Dining Halls
12 - 15
4 - 10
20
9
Banks
10
Dining rooms (restaurants)
11
Barber Shops
12
Dress Shops
6 - 10
13
Bars
20 - 30
14
Drug Shops
6 - 10
15
Beauty Shops
6 - 10
16
Engine rooms
4-6
17
Boiler rooms
15 - 20
18
Factory buildings, ordinary 2 - 4
19
Bowling Alleys
12
6 - 10
2-4
10 - 15
20
Factory buildings, fumes and moisture
10 - 15
21
Cafeterias
12 - 15
22
Fire Stations
4 - 10
23
Churches
8 - 15
24
Foundries
15 - 20
25
Club rooms
26
Galvanizing plants
12
20 - 30
27
Clubhouses
20 - 30
28
Garages repair
20 - 30
20 - 30
29
Cocktail Lounges
30
Garages storage
4-6
31
Computer Rooms
15 - 20
32
Homes, night cooling
10 - 18
33
Laundries
10 - 15
34
Jewelry shops
6 - 10
35
Libraries, public
36
Kitchens
15 - 60
12 - 15
4
37
Lunch Rooms
38
Restaurants
8 - 12
39
Luncheonettes
12 - 15
40
Retail
6 - 10
41
Nightclubs
20 - 30
42
School Classrooms
4 - 12
43
Malls
6 - 10
44
Shoe Shops
6 - 10
45
Medical Centers
8 – 12
46
Shopping Centers
6 - 10
47
Medical Clinics
8 - 12
48
Shops, machine
5
49
Medical Offices
8 - 12
50
Shops, paint 15 - 20
15 - 20
51
Mills, paper
15 - 20
52
Shops, woodworking 5
53
Mills, textile general buildings
54
Substation, electric
5 - 10
5
4
55
Mills, textile dye houses
15 - 20
56
Supermarkets
4 - 10
57
Municipal Buildings
4 - 10
58
Town Halls
4 - 10
59
Museums
12 - 15
20 - 30
60
Taverns
61
Offices, public
62
Theaters
8 - 15
63
Offices, private 4 Turbine rooms, electric
5 - 10
64
Police Stations
4 - 10
65
Warehouses
2
66
Post Offices
4 - 10
67
Waiting rooms, public
68
Precision Manufacturing
69
Pump rooms
3
4
10 - 50
5