The activity or function occupying the most floorspace in the building. The categories were designed to group buildings that have similar patterns of energy consumption. While all calculations in this report were performed using 13 categories, the results were aggregated into the following 10 categories:
Education: refers to buildings that house academic or technical classroom instruction. Certain buildings in educational facilities are excluded from this category, e.g., administration (office), dormitory (lodging), gymnasium (assembly), etc.
Food: refers to buildings used for retail or wholesale of food. Includes establishments that sell food retail or wholesale (e.g., grocery stores) and establishments that prepare and sell food and beverages for consumption (e.g., restaurants). (Combines Food Sales and Food Service)
Health Care: covers diagnostic and treatment facilities for both inpatient (e.g., hospitals, rehabilitation facility) and outpatient (e.g., dental, medical, and mental health clinics) care.
Lodging: includes establishments that offer multiple accommodations for short- or long-term residents (e.g., hotels, nursing homes).
Mercantile and Service: refers to buildings used for the sales and displays of goods or services, including automotive, retail, laundry, and shopping centers, but excluding food.
Office: refers to buildings used for general office space, professional offices, and administrative offices.
Assembly: signifies buildings used for gathering of people for social, recreational, cultural, or religious activities, whether in private or public meeting halls. (Combines assembly with religious buildings.)
Warehouse: describes buildings used to store goods, products, merchandise or raw materials, including both refrigerated storage and unrefrigerated warehouses.
Vacant: designates buildings in which more floorspace was vacant than was used for any other single activity.
Other: includes parking garages, public order and safety buildings used in the preservation of law and order or safety, laboratories that use equipment for experimental testing or analysis, and Other buildings not elsewhere classified (e.g., hangars, public restrooms). (Includes the Public Order and Safety Building category.)