Characterization of the U.S. Industrial Commercial Boiler Population

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MMBtu/hr total capacity) and 387,000 boilers with capacities smaller than 1 MMBtu/hr (98,000 MMBtu/hr total capacity) at commercial facilities. Electric units are excluded from the analysis because they do not combust a fuel and do not fit the definition of a boiler. The units smaller than 1 MMBtu/hr are excluded due to their small capacities, which are close to the size of household heating systems (0.1 MMBtu/hr). Table 3-1 Commercial Boiler Inventory Building Type Number of Boilers Office 28,030 Warehouse 5,365 Retail 5,585 Education 35,895 Public Assembly 7,280 Lodging 10,545 Health 15,190 Other 11,900 Total 119,790 Boiler Capacity (MMBtu/hr) 297,090 72,385 47,230 128,790 55,205 140,830 317,110 88,970 1,147,610 3-2 Energy and Environmental Analysis, Inc. Average Size (MMBtu/hr) 10.6 13.5 8.5 3.6 7.6 13.4 20.9 7.5 9.6 Commercial boilers at office buildings, health care facilities and educational establishments account for almost two-thirds of commercial boiler units and capacity. The boilers at educational facilities are small (3.6 MMBtu/hr average) and these account for 30 percent of commercial boiler units and 11 percent of commercial boiler capacity. Although fewer in number than offices and educational facilities, the boilers at health care facilities are larger than averge (20.9 versus 9.6 MMBtu/hr) and account for 28 percent of commercial capacity. The distribution of boilers and capacity is shown in.Figure 3-1 The greatest number of boilers serve educational facilities, 36,000 units, and these boilers have a total capacity of 129,000 MMBtu/hr. Offices have 28,000 boilers with a total capacity of 297,000 MMBtu/hr. Health care facilities have 15,000 boilers but a total capacity of 317,000 MMBtu/hr, reflecting the large size and high demand nature of these buildings. “Other” or miscellaneous facilities have 12,000 boilers with a total capacity of 89,000 MMBtu/hr. Lodging facilities have 10,500 boilers and a total capacity of 141,000 MMBtu/hr. The other facility categories, warehouses, retail and public assembly, combine to include 18,000 boilers and 175,000 MMBtu/hr of capacity. 3.3 Breakdown by Fuel Natural gas fires the vast majority of commercial boilers, including 85 percent of the commercial boiler units and 87 percent of capacity. The distribution of commercial boiler fuel types is shown in Figure 3-2.
Boiler Units Boiler Units 120,000 100,000 80,000 60,000 40,000 20,000 - 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 - Figure 3-1 Commercial Boilers and Capacity by Building Type Boiler Units Coal Oil Natural Gas Other Boiler Capacity Figure 3-2 Commercial Boilers and Capacity by Base Fuel Office Warehouse Retail Education Public Assembly Boiler Units Boiler Capacity Lodging Health Other 1,200,000 1,000,000 800,000 600,000 400,000 200,000 Energy and Environmental Analysis, Inc. 3-3 - 320,000 280,000 240,000 200,000 160,000 120,000 80,000 40,000 - Boiler Capacity (MMBtu/hr) Boiler Capacity (MMBtu/hr)
Page 1: Characterization of the U.S. Indust
Page 5 and 6: Table Contents EXECUTIVE SUMMARY ..
Page 7: List of Figures Figure 1-1 Boiler A
Page 11 and 12: EXECUTIVE SUMMARY The U.S. industri
Page 13 and 14: Natural gas is the most common fuel
Page 15: and other fuels (2 percent). The av
Page 18 and 19: 1.2 Boiler Basics Boilers use a hea
Page 20 and 21: Firetube units are typically the sm
Page 22 and 23: Stoker boilers are described by the
Page 24 and 25: Figure 1-7 Cut-Away View of a Fluid
Page 26 and 27: Table 1-1 CHP Thermal Output/Input
Page 28 and 29: Table 2-2 Industrial Boiler Invento
Page 30 and 31: Consumption Survey (MECS) identifie
Page 32 and 33: Coal, oil and wood are important fu
Page 34 and 35: industry utilizing large black liqu
Page 38 and 39: Oil is the designated primary fuel
Page 41 and 42: 4 HISTORIC TRENDS 4.1 Boiler Sales
Page 43 and 44: Boiler Capacity (MMBtu/hr) 1,200,00
Page 45 and 46: APPENDIX A ADDITIONAL BACKGROUND ON
Page 47 and 48: the capacity is not assigned. Of th
Page 49 and 50: Table A-4 MECS Fuel Consumption in
Page 51 and 52: Boiler Units 10,000 8,000 6,000 4,0
Page 57: Total Square Feet (1,000,000 sq ft)
Page 60 and 61: Incremental Boiler Fuel (TBtu/year)
Page 62 and 63: does not fit the typical definition
Page 64 and 65: MMBtu Million British Thermal Units

Characterization of the U.S. Industrial Commercial Boiler Population

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