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EIA Home > Commercial > Special Topics > 1999 Building Activities > Public Assembly > Equipment Table

Buildings, Size and Age Data by Equipment Types for Public Assembly Buildings
Number of Buildings (thousand)
Percent of Buildings
Floorspace (million square feet)
Percent of Floorspace
Square Feet per Building (thousand)
Median Age of Building (years)
 
All Public Assembly Buildings
305
100
4,393
100
14.4
32.5
 
Heating Equipment (more than one may apply)
Heat Pumps
30
10
582
13
19.2
26.5
Furnaces
99
32
787
18
8.0
34.5
Individual Space Heaters
68
22
1,163
26
17.2
32.5
District Heat
15
5
841
19
56.1
99.5
Boilers
49
16
1,409
32
28.7
36.5
Packaged Heating Units
70
23
1,368
31
19.5
27.5
Other
Q
Q
Q
Q
Q
Q
 
Main Heating Equipment
Heat Pumps
Q
Q
Q
Q
Q
Q
Furnaces
93
31
588
13
6.3
34.5
Individual Space Heaters
Q
Q
Q
Q
Q
Q
District Heat
15
5
823
19
55.0
99.5
Boilers
44
14
1,185
27
27.0
36.5
Packaged Heating Units
67
22
928
21
13.9
25.5
Other
Q
Q
Q
Q
Q
Q
 
Cooling Equipment (more than one may apply)
Residential-Type Central Air Conditioners
61
20
579
13
9.4
25.5
Heat Pumps
30
10
533
12
17.9
26.5
Individual Air Conditioners
39
13
742
17
19.0
57.5
District Chilled Water
Q
Q
436
10
42.2
165.5
Central Chillers
16
5
920
21
57.3
35.5
Packaged Air Conditioning Units
126
41
2,152
49
17.0
26.5
Swamp Coolers
Q
Q
Q
Q
Q
Q
Other
Q
Q
Q
Q
Q
Q
 
Main Cooling Equipment
Residential Type A/C Units
53
18
425
10
7.9
36.5
Heat Pumps
Q
Q
Q
Q
Q
Q
Individual Air Conditioners
13
4
239
5
18.7
38.5
District Chilled Water
Q
Q
430
10
41.7
165.5
Central Chillers
15
5
799
18
54.8
35.5
Packaged A/C Units
122
40
1,749
40
14.4
27.5
Swamp Coolers
Q
Q
Q
Q
Q
Q
Other
Q
Q
Q
Q
Q
Q
 
Main Equipment Replaced Since 1995 (more than one may apply)
Heating
57
19
584
13
10.2
29.5
Cooling
80
26
1,118
25
14.0
38.5
 
Lighting Equipment Types (more than one may apply)
Incandescent
164
54
2,777
63
17.0
35.5
Standard Fluorescent
234
77
3,913
89
16.7
31.5
Compact Fluorescent
56
18
1,467
33
26.3
36.5
High Intensity Discharge
41
13
1,594
36
38.8
34.5
Halogen
40
13
980
22
24.4
14.5
Other
Q
Q
Q
Q
Q
Q
 
Water Heating Equipment
Centralized System
191
63
2,722
62
14.2
36.5
Distributed System
45
15
655
15
14.5
24.5
Combination of Centralized and Distributed System
13
4
516
12
Q
19.5
 
Commercial Refrigeration Equipment (more than one may apply)
Any Equipment
61
20
1,664
38
27.2
22.5
Walk-In Units
23
8
959
22
41.2
22.5
Cases or Cabinets
46
15
1,452
33
31.6
30.5
None
244
80
2,730
62
11.2
34.5
 
Personal Computers
None
129
42
780
18
6.0
32.5
1 to 4
123
40
1,304
30
10.6
34.5
5 to 9
23
8
442
10
19.2
22.5
10 to 19
13
4
468
11
36.7
24.5
20 to 49
11
4
575
13
50.5
43.5
50 to 99
3
1
257
6
76.0
30.5
100 to 249
2
1
340
8
172.7
25.5
250 or More
Q
Q
Q
Q
Q
Q
 
Photocopiers
None
204
67
1,594
36
7.8
29.5
One
70
23
1,053
24
15.1
40.5
2 to 4
26
9
1,084
25
40.9
24.5
5 to 9
3
1
256
6
83.2
32.5
10 or More
1
0
407
9
301.0
27.5
 
Other Electronic Equipment (more than one may apply)
Laser Printers
106
35
2,788
63
26.2
34.5
FAX Machines
144
47
3,247
74
22.5
28.5
 
Energy-Related Space Functions (more than one may apply)
Commercial Food Preparation
89
29
1,862
42
20.9
29.5
Activities with Large Amounts of Hot Water
63
21
1,738
40
27.8
35.5
Q=Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.
Source: Energy Information Administration, 1999 Commercial Buildings Energy Consumption Survey.

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Release date: July 24, 2002
Page last modified: January 16, 2003 11:43 AM
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