Table B7. Building Size, Floorspace for Non-Mall Buildings, 2003
	Total Floorspace (million square feet)
	All Buildings*	Building Size
		1,001 to 5,000 Square Feet	5,001 to 10,000 Square Feet	10,000 to 25,000  Square Feet	25,001 to 50,000 Square Feet	50,001 to 100,000 Square Feet	100,001 to 200,000 Square Feet	200,001 to 500,000 Square Feet	Over 500,000 Square Feet
All Buildings* ...............................	64,783	6,789	6,585	11,535	8,668	9,057	9,064	7,176	5,908
Principal Building Activity
Education .......................................	9,874	409	399	931	1,756	2,690	2,167	1,420	Q
Food Sales .....................................	1,255	409	356	Q	Q	Q	Q	N	N
Food Service .................................	1,654	544	442	345	Q	Q	N	Q	N
Health Care ....................................	3,163	165	280	313	157	364	395	514	973
Inpatient .......................................	1,905	N	N	Q	Q	Q	Q	467	973
Outpatient ....................................	1,258	165	280	312	Q	206	Q	Q	N
Lodging ..........................................	5,096	99	160	631	803	841	930	1,185	Q
Retail (Other Than Mall)..................	4,317	638	725	1,284	578	Q	524	Q	Q
Office .............................................	12,208	1,382	938	1,887	1,506	1,209	1,428	1,493	2,365
Public Assembly ............................	3,939	336	518	1,077	301	474	868	Q	Q
Public Order and Safety ................	1,090	122	Q	Q	Q	Q	Q	Q	Q
Religious Worship ..........................	3,754	416	744	1,235	930	Q	Q	Q	N
Service ..........................................	4,050	1,034	722	1,021	560	Q	Q	Q	Q
Warehouse and Storage ...............	10,078	895	868	2,064	1,043	1,494	1,162	1,322	Q
Other ..............................................	1,738	Q	Q	Q	Q	Q	Q	Q	Q
Vacant ...........................................	2,567	239	Q	Q	471	Q	Q	Q	Q
Year Constructed
Before 1920 ...................................	3,769	490	502	804	677	491	Q	Q	Q
1920 to 1945 ..................................	6,871	796	827	988	838	641	704	1,288	790
1946 to 1959 ..................................	7,045	860	643	1,421	935	927	1,148	569	541
1960 to 1969 ..................................	8,101	690	865	1,460	1,234	1,483	1,039	947	382
1970 to 1979 ..................................	10,772	966	1,332	1,869	1,720	1,146	1,411	1,243	1,085
1980 to 1989 ..................................	10,332	1,149	721	1,647	1,174	1,390	1,496	1,237	1,518
1990 to 1999 ..................................	12,360	1,324	1,209	2,388	1,352	2,058	1,934	984	1,111
2000 to 2003 ..................................	5,533	515	486	958	739	921	1,060	609	Q
Census Region
Northeast .......................................	12,905	1,025	1,123	1,972	1,292	2,040	2,117	1,781	1,556
Midwest .........................................	17,080	1,895	1,565	3,098	2,567	2,260	2,296	2,196	1,203
South .............................................	23,489	2,533	2,658	4,378	3,168	3,435	3,475	1,914	1,928
West ..............................................	11,310	1,336	1,239	2,087	1,643	1,322	1,177	1,286	1,221
Climate Zone: 30-Year Average
Under 2,000 CDD and --
More than 7,000 HDD ...................	10,622	1,307	1,197	2,235	1,451	1,295	1,206	1,115	815
5,500-7,000 HDD .........................	17,335	1,673	1,633	3,140	2,282	2,549	2,652	1,943	1,463
4,000-5,499 HDD .........................	11,504	1,005	964	1,421	1,272	1,823	1,761	1,619	1,639
Fewer than 4,000 HDD ................	15,739	1,862	1,907	2,865	2,105	2,063	2,286	1,552	1,098
2,000 CDD or More and --
Fewer than 4,000 HDD ................	9,584	942	884	1,874	1,558	1,327	1,160	947	893
Number of Floors
One ................................................	25,981	5,192	4,150	6,160	3,296	3,187	2,159	1,134	Q
Two ...............................................	16,270	1,217	1,814	3,966	2,772	2,456	1,896	1,775	Q
Three .............................................	7,501	343	504	1,115	1,631	1,481	1,418	730	Q
Four to Nine ...................................	10,085	Q	Q	292	964	1,822	3,150	2,186	1,516
Ten or More ...................................	4,947	N	N	Q	Q	Q	442	1,350	3,036
Elevators and Escalators
(more than one may apply)
Any Elevators ................................	24,617	Q	228	1,052	2,917	4,066	5,705	5,566	5,026
Number of Elevators
One ..............................................	8,221	Q	228	996	2,193	2,001	1,541	1,066	Q
Two to Five ..................................	10,129	N	N	Q	714	2,041	3,990	2,670	Q
Six or More ..................................	6,268	N	N	Q	Q	Q	Q	1,830	4,218
Any Escalators ..............................	2,350	N	Q	Q	N	Q	Q	415	1,708
Number of Workers (main shift)
Fewer than 5 .................................	15,492	4,659	3,323	4,006	1,222	704	804	Q	Q
5 to 9 ..............................................	6,166	1,264	1,373	2,075	836	291	Q	Q	N
10 to 19 ..........................................	7,803	689	1,109	2,456	1,327	1,157	Q	Q	N
20 to 49 ..........................................	10,989	155	689	2,113	2,920	2,865	1,558	533	Q
50 to 99 ..........................................	7,934	Q	Q	692	1,648	2,151	2,014	1,077	Q
100 to 249 ......................................	6,871	Q	Q	Q	667	1,518	2,455	1,706	Q
250 or More ...................................	9,528	N	N	N	Q	371	1,452	2,571	5,087
Weekly Operating Hours
Fewer than 40 ...............................	6,863	1,740	1,289	1,464	727	599	544	Q	Q
40 to 48 ..........................................	11,622	1,665	1,751	2,623	1,710	1,802	1,256	507	Q
49 to 60 ..........................................	15,723	1,444	1,465	3,210	2,566	2,255	1,809	1,651	1,324
61 to 84 ..........................................	10,334	727	851	2,095	1,817	1,297	1,791	887	869
85 to 167 ........................................	7,092	569	653	827	616	1,496	1,499	1,102	Q
Open Continuously ........................	13,149	644	577	1,316	1,232	1,608	2,166	2,624	2,982
Ownership and Occupancy
Nongovernment Owned ................	49,421	6,043	5,827	9,738	6,659	5,779	5,958	4,803	4,613
Owner Occupied .........................	23,591	2,682	2,858	5,028	3,197	2,464	2,919	2,048	2,396
Nonowner Occupied ...................	23,914	3,162	2,791	4,530	3,141	2,951	2,714	2,408	2,217
Unoccupied ..................................	1,916	199	Q	Q	Q	Q	Q	Q	N
Government Owned ......................	15,363	746	758	1,797	2,009	3,278	3,106	2,373	1,295
Federal .........................................	1,956	Q	Q	Q	Q	Q	Q	545	606
State ............................................	3,808	206	Q	604	531	620	1,142	408	Q
Local ............................................	9,599	498	620	1,044	1,327	2,557	1,644	1,420	Q
Vacancy Status
Completely Vacant .........................	2,161	223	Q	Q	Q	Q	Q	Q	Q
Mostly Vacant ................................	406	Q	Q	Q	Q	Q	Q	N	N
Partially Vacant ..............................	12,382	738	706	1,646	1,310	1,563	1,681	1,943	2,795
Not At All Vacant ...........................	49,834	5,813	5,671	9,611	6,888	7,031	6,959	4,845	3,017
Number of Establishments
One ................................................	45,144	5,613	5,304	9,098	5,807	6,218	6,102	4,246	2,756
2 to 5 ..............................................	10,960	916	1,031	1,732	1,837	1,739	1,545	1,361	800
6 to 10 ............................................	1,958	Q	Q	383	355	273	539	Q	Q
11 to 20 ..........................................	1,951	Q	N	Q	Q	337	Q	389	Q
More than 20 ..................................	2,609	N	Q	Q	Q	Q	Q	531	1,522
Currently Unoccupied ....................	2,161	223	Q	Q	Q	Q	Q	Q	Q
Predominant Exterior
Wall Material
Brick, Stone or Stucco ...................	32,817	2,735	3,103	6,047	4,841	5,038	4,865	3,800	2,387
Concrete (Block or Poured) ...........	10,832	1,137	937	1,976	1,551	1,830	1,665	1,252	485
Concrete Panels ............................	6,559	90	185	367	787	860	1,429	1,142	1,699
Siding or Shingles ..........................	4,120	1,412	862	826	419	Q	Q	Q	Q
Metal Panels ...................................	7,912	1,280	1,388	2,149	950	721	518	Q	Q
Window Glass ...............................	1,024	Q	Q	Q	Q	Q	Q	Q	Q
Other ..............................................	1,113	Q	Q	Q	Q	Q	Q	Q	Q
No One Major Type ........................	406	Q	Q	Q	Q	Q	Q	Q	Q
Predominant Roof Material
Built-Up ..........................................	21,170	1,296	1,429	2,814	3,216	3,566	3,320	2,386	3,143
Shingles (Not Wood) ......................	10,195	2,213	1,688	2,686	1,623	579	486	761	Q
Metal Surfacing ..............................	11,944	1,997	2,024	3,508	1,500	1,348	909	Q	Q
Synthetic or Rubber .......................	14,730	580	772	1,494	1,511	2,662	3,134	2,668	1,909
Slate or Tile ....................................	2,462	397	378	561	429	307	Q	Q	Q
Wooden Materials ..........................	887	213	Q	Q	Q	Q	Q	Q	N
Concrete ........................................	2,231	Q	Q	Q	Q	Q	Q	Q	Q
Other ..............................................	598	Q	Q	Q	Q	Q	Q	Q	Q
No One Major Type ........................	565	Q	Q	Q	Q	Q	Q	Q	Q
Renovations in Buildings
Constructed Before 1980
(more than one may apply)
Any Type of Renovation
Since 1980 ....................................	17,844	1,283	1,640	2,684	2,826	2,495	2,584	2,260	2,072
Addition or Annex .......................	6,551	288	379	684	1,000	1,121	1,250	825	1,004
Reduction In Floorspace .............	1,012	Q	Q	Q	Q	Q	Q	Q	Q
Cosmetic Improvements ..............	13,119	959	1,148	2,072	1,993	1,841	1,900	1,709	1,497
Wall or Roof Replacement ..........	8,070	431	746	975	1,024	990	1,271	1,271	1,363
Interior Wall
Re-Configuration ........................	8,518	537	644	1,210	968	1,045	1,338	1,323	1,454
HVAC Equipment Upgrade ..........	10,768	461	714	1,548	1,564	1,551	1,644	1,664	1,622
Lighting Upgrade .........................	10,275	489	715	1,568	1,360	1,489	1,702	1,510	1,442
Window Replacement .................	6,354	366	507	987	862	998	938	865	830
Plumbing System Upgrade ..........	7,144	326	563	1,045	811	878	1,163	1,163	1,193
Insulation Upgrade ......................	4,015	334	306	582	562	511	493	690	536
Other Renovation ........................	523	Q	Q	Q	Q	Q	Q	Q	Q
No Renovations Since 1980 ..........	18,714	2,518	2,529	3,858	2,577	2,194	1,991	2,086	961
Building Newer than 1980 .............	28,225	2,988	2,416	4,993	3,265	4,369	4,489	2,831	2,875
Energy Sources (more than
one may apply)
Electricity .......................................	63,307	6,346	6,197	11,370	8,385	9,031	9,018	7,051	5,908
Natural Gas ....................................	43,468	3,084	3,692	7,053	6,025	6,683	6,645	5,679	4,606
Fuel Oil ...........................................	15,157	600	716	966	825	1,740	2,927	3,400	3,981
District Heat ...................................	5,443	Q	Q	289	369	574	1,399	1,018	1,693
District Chilled Water ......................	2,853	Q	Q	Q	240	332	793	495	822
Propane .........................................	7,076	806	725	1,014	638	925	989	1,165	Q
Other ..............................................	1,401	199	Q	Q	Q	Q	Q	Q	Q
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........	60,028	5,668	5,786	10,387	8,060	8,718	8,710	6,907	5,792
Buildings with Cooling ....................	56,940	5,007	5,408	9,922	7,776	8,331	8,339	6,565	5,591
Buildings with Water Heating .........	56,478	4,759	5,348	9,562	7,734	8,412	8,300	6,680	5,683
Buildings with Cooking ...................	22,237	997	1,136	1,954	2,511	3,575	3,991	4,047	4,025
Buildings with Manufacturing ........	3,138	Q	214	472	Q	540	473	605	Q
Buildings with Electricity
Generation ....................................	12,821	Q	Q	491	662	1,921	2,877	2,977	3,694
Percent of Floorspace Heated
Not Heated .....................................	4,756	1,121	799	1,148	608	Q	Q	Q	Q
1 to 50 ............................................	6,850	738	889	1,742	842	916	703	Q	Q
51 to 99 ..........................................	8,107	731	724	1,420	941	926	779	1,168	1,418
100 .................................................	45,071	4,198	4,173	7,225	6,278	6,877	7,228	5,404	3,688
Percent of Floorspace Cooled
Not Cooled .....................................	7,843	1,782	1,177	1,612	893	726	725	Q	Q
1 to 50 ............................................	16,598	1,206	1,704	3,517	2,369	2,926	1,984	1,822	Q
51 to 99 ..........................................	13,211	781	995	2,034	1,479	1,751	1,954	2,057	2,159
100 .................................................	27,132	3,021	2,710	4,372	3,928	3,654	4,402	2,685	2,360
Percent Lit When Open
Zero ...............................................	293	Q	Q	Q	Q	Q	N	Q	N
1 to 50 ............................................	10,203	1,372	1,124	2,810	1,705	1,146	1,025	Q	Q
51 to 99 ..........................................	18,288	1,482	1,671	3,179	2,807	2,570	2,442	2,389	1,748
100 .................................................	32,789	3,158	3,233	5,173	3,702	4,903	5,187	3,985	3,448
Building Never Open/
Electricity Not Used .......................	3,210	665	521	Q	Q	Q	Q	Q	Q
Percent Lit When Closed
Zero ...............................................	17,385	3,057	2,782	4,211	2,271	2,088	1,654	1,059	Q
1 to 50 ............................................	30,948	2,529	2,785	5,545	4,713	4,960	4,909	3,195	2,312
51 to 100 ........................................	2,093	237	Q	314	Q	374	316	Q	Q
Building Never Closed/
Electricity Not Used .......................	14,357	965	895	1,465	1,481	1,634	2,185	2,749	2,982
Heating Equipment (more
than one may apply)
Heat Pumps ....................................	8,814	685	462	1,400	1,150	1,524	1,245	1,295	1,053
Packaged Heat Pumps .................	5,442	400	286	784	740	878	829	671	854
Split-System Heat Pumps .............	2,581	257	Q	487	339	467	Q	Q	Q
Individual Room Heat Pumps ........	2,691	Q	Q	255	322	535	499	710	Q
Furnaces .......................................	19,615	2,902	2,891	4,653	2,761	2,086	1,974	1,456	891
Individual Space Heaters ...............	12,545	1,047	1,282	2,129	1,748	1,819	1,625	1,313	1,582
District Heat ...................................	5,166	Q	Q	289	325	549	1,365	1,010	1,528
Boilers ............................................	20,423	461	773	2,164	2,829	3,497	4,283	3,844	2,573
Packaged Heating Units .................	18,021	1,159	1,599	2,765	2,449	3,328	2,797	2,156	1,769
Other ..............................................	3,262	330	Q	456	419	450	Q	514	Q
Cooling Equipment (more
than one may apply)
Residential-Type Central
Air Conditioners ............................	11,035	1,568	1,523	2,173	1,683	1,388	993	1,136	569
Heat Pumps ....................................	9,041	675	563	1,441	1,155	1,440	1,158	1,273	1,334
Packaged Heat Pumps .................	5,426	392	369	847	693	830	792	654	849
Split-System Heat Pumps .............	2,606	255	Q	481	377	432	Q	Q	Q
Individual Room Heat Pumps ........	2,940	Q	Q	255	335	506	449	714	612
Individual Air Conditioners .............	12,558	972	1,012	1,740	2,301	1,958	2,259	1,223	1,095