Home > Households, Buildings & Industry > Commercial Buildings Energy Consumption Survey (CBECS) > Background Information > Energy-Using Equipment Table 4
Comparisons Between 1992, 1995, 1999, and 2003 CBECS

 

Table 1. Survey Sample and Design | Table 2. Building Characteristics | Table 3. Energy Sources and Consumption | Table 5. Selected Conservation Measures

Table 4.  Energy-Using Equipment
  1992 1995 1999 2003
Heated Floorspace Percent of total floorspace heated to at least 50 degrees Fahrenheit Same as 1992 Same as 1992 Same as 1992
Heating Equipment Types of equipment and percentage of floorspace heated by: 
Heat pumps; Furnaces;
Individual space heaters;
District steam or hot water piped in from outside source; Boilers; Packaged heating units; Other type 
Same as 1992 Same as 1992
AND
Main equipment replaced since 1995
Same as 1992
AND
Main equipment replaced since 1990
AND
Type of heat pump system:
Packaged unit; Residential-type split system; Individual room heat pump
AND
Heat pump source:
Air source; Ground source or ground water; Water loop
Cooled Floorspace Percentage of total floorspace cooled by air conditioning equipment Same as 1992 Same as 1992 Same as 1992
Cooling Equipment Types of equipment and percentage of floorspace cooled by: 
Residential type central air conditioner; 
Heat pumps for cooling; 
Individual room air conditioners;  District chilled water piped in from outside source;  Central chillers;  Packaged air conditioning units; Swamp coolers (evaporative coolers); 
Other type
Same as 1992 Same as 1992
AND
Main equipment replaced since 1995
Same as 1992
AND
Main equipment replaced since 1990
AND
Heat pump types and sources same as for heating (see above)
Heating and Cooling Distribution System Radiators or baseboards (heating only);
Forced air through ducts or air handling units;
Fan-coil units without ducts; 
Other type
Same as 1992
AND
whether equipment designed to heat or cool directly
Not collected Not collected
Refrigeration Equipment Presence of commercial refrigerators or freezers Same as 1992 Same as 1992 Presence of any refrigeration or freezer equipment (did not specify "commercial")
  Presence and number of: 
Walk-in units;
Open cases or cabinets; 
Closed cases or cabinets
Same as 1992 Same as 1992 Same as 1992
AND
Residential-type units; Refrigerated vending machines
  Linear feet of open and closed cases or cabinets Not collected Not collected Not collected
Water Heating Equipment Centralized system:
With self-heating tank;
Which draws heat from space heating equipment;
Other centralized system

Distributed or point-of-use system:
With residential type storage tank;
With instantaneous heaters at point of use;
Other distributed system

Centralized system;
Distributed or point-of-use system; 
Combination centralized and distributed

Whether system uses heat pump water heater

Same as 1995 EXCEPT did not collect heat pump water heaters Same as 1999
Lighted Floorspace Percentage of floorspace lighted during operating hours (actual number or category) Same as 1992 Same as 1992 Same as 1992
  Percentage of floorspace lighted during off hours (category only) Same as 1992 Percentage of floorspace lighted during off hours (actual number or category) Same as 1999
Lighting Equipment Types of bulbs and percentage of floorspace lit by:
Incandescent;   Fluorescent other than compact fluorescent;    Compact fluorescent; 
High intensity discharge (HID); Other type
Same as 1992
AND
Halogen
Same as 1995 Same as 1995
Office Equipment Number of personal computers and/or computer terminals category Same as 1992 Number of personal computers (actual number or category);
Actual number of photocopiers (excluding small desktop copiers);
Presence of FAX machines;
Presence of laser printers
Number of computers (actual number or category); Number of dedicated servers (actual number or category); Presence of flat screen monitors whether all, most, some or a few computers have them; Number of printers (actual number) and type of printer (inkjet or laser); Number of cash registers in retail, food sales, or food service buildings (actual); Number of photocopiers (actual); Presence of FAX machines
Medical Equipment Not collected Not collected Equipment used for medical diagnosis or treatment  Same as 1999
Laboratory Equipment Not collected Not collected Not collected Presence of specialized laboratory equipment that requires extra energy consumption (asked only of certain building types)
Machine Equipment Not collected Not collected Not collected Presence of machine or shop equipment such as woodworking tools, metalworking tools, arc welders, or any other types of power tools (asked only of certain building types)
Indoor Swimming Pool Not collected Not collected Not collected Presence of indoor pool and if so, whether heated and by which energy source (asked only of certain building types)

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Contacts
Specific questions on this product may be directed to:

Joelle Michaels
joelle.michaels@eia.doe.gov
CBECS Manager
Phone: (202) 586-8952
FAX: (202) 586-0018

http://www.eia.doe.gov/emeu/cbecs/compareequip.html