5.3 : Heating, Cooling, and Ventilation Equipment




5.3.12 Main Commercial Heating and Cooling Equipment as of 1995, 1999, and 2003 (Percent of Total Floorspace) (1)
Heating Equipment 1995 1999 2003 (2) Cooling Equipment 1995 1999 2003 (2)
Packaged Heating Units 29% 38% 28% Packaged Air Conditioning Units 45% 54% 46%
Boilers 29% 29% 32% Individual Air Conditioners 21% 21% 19%
Individual Space Heaters 29% 26% 19% Central Chillers 19% 19% 18%
Furnaces 25% 21% 30% Residential Central Air Conditioners 16% 12% 17%
Heat Pumps 10% 13% 14% Heat Pumps 12% 14% 14%
District Heat 10% 8% 8% District Chilled Water 4% 4% 4%
Other 11% 6% 5% Swamp Coolers 4% 3% 2%
Other 2% 2% 2%
Note(s): 1) Heating and cooling equipment percentages of floorspace total more than 100% since equipment shares floorspace. 2) Malls are no longer included in most CBECs tables; therefore, some data is not directly comparable to past CBECs.









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Sources:

EIA, Commercial Building Characteristics 1995, Oct. 1998, Tables B34 and B36 for 1995, and EIA, Commercial Building Characteristics 1999, Aug. 2002, Tables B33 and B34 for 1999

EIA, 2003 Commercial Buildings Energy Consumption and Expenditures: Consumption and Expenditures Tables, June 2006, Tables B39 and B41 for 2003