To assist clients who require DOE-2 energy analysis of commercial buildings, GARD Analytics has a suite of DOE-2 building models available for performing comparative energy analysis. Included are:

1. Small Office
2. Medium Office
3. Large Office
4. Retail Store
5. Strip Store
6. Apartment Building
7. Hotel
8. Warehouse
9. Assembly
10. . School
11. . Nursing Home
12. . Full Service Restaurant
13. . Fast Food Restaurant
14. . Hospital
15. . Bar/Lounge
16. . Health Club

Each model, except for the last two, is based on an actual building and accounts for the building shape, construction, internal loads, operating schedules, HVAC systems, and heating and cooling equipment. Descriptions of all buildings are presented below. A variety of heating and cooling equipment can be simulated using the equipment available in the DOE-2 library. Various hybrid cooling plant operating configurations and operating scenarios such as base loading or peak shaving to reduce building electric demand can also be simulated. These buildings are considered to be representative of each category of buildings, and can be used as baseline buildings with conventional heating and cooling systems for comparative energy analysis.

1. Small Office Building
The small office building is a single story, 2,500 sq. ft., slab-on-grade structure of wood frame construction with brick veneer. The building is roughly 30% glass on the north and south exposures, 10% on the west and 3% on the east.

2. Medium Office Building
This building is a 49,000 sq. ft., 3-story structure made of precast exterior concrete panels. The glass is 36% of the wall area on all sides. Occupancy is 330 people.

3. Large Office Building
This structure is a hexagonal shaped 38-story office building with 18,000 sq. ft. per floor (total of 684,000 sq. ft.). Construction is steel frame with limestone cladding. The glass area on the SE and NW sides is about 50%, with the other four sides having 15% glass.

4. Retail Store
The retail store is a high quality department store located in a shopping mall. It is a 2-story masonry structure of 164,200 sq. ft. There is very little glass except for entry doors. External loads from the three sides of the building in thermal contact with the rest of the mall are neglected.

5. Strip Store
The strip store is a typical 9,600 sq. ft. end unit of a street mall with one portion of one side connected to another store. It is a slab-on-grade building of wood frame construction with display windows on the west and south walls. A canopy shades the west windows. The glazing on the west and south exposures is about 35% of the wall area.

6. Apartment Building
This is a 9-story retirement-type luxury apartment building with exercise room, card and recreation rooms, and short term nursing care. The 362,800 sq. ft. building is H-shaped with approximately 27% glass on the north and south exposures and 20% on the east and west exposures. Walls are cast-in-place concrete columns and flat slabs.

7. Hotel
This 350 room hotel is a medium size convention-type facility with 10 floors totaling 315,000 sq. ft. The space utilization is: 65% guest rooms, 30% public areas such as lobby, restaurants and meeting rooms, and 5% service area. The building is 70% glass on the west, 50% on the east and less than 10% on the south and north. Construction is of reinforced concrete.

8. Warehouse
The building floor area is 40,700 sq. ft., of which 2,100 sq. ft. is office area with 25% window area. Walls for the office are of wood frame construction; all other walls are precast concrete panels.

9. Assembly
The assembly building is a 14,500 sq. ft. church of frame construction with recreation areas for adults and young people. The chapel occupies about 15% of the floor area, 23% is devoted to cultural/recreation activities and 62% is for office and classroom areas.

10. Junior High School
The junior high school is a 50,000 sq. ft. building with combination auditorium/ recreation space, multi-purpose rooms, and classrooms. The classroom section is 2-stories high. Walls are constructed of face brick and stucco.

11. Nursing Home
This is a large modern nursing home for extended care of terminally ill patients. It is a single story slab-on-grade building of 48,000 sq. ft. complete with kitchen, patient care/therapy rooms and patient rooms. Construction is wood frame.

12. Full Service Restaurant
The full service restaurant is a 1-story brick structure with 9,060 sq. ft. of floor space with a main dining area for 240 people and a lounge area for 60 people.

13. Fast Food Restaurant

The fast food restaurant is a typical major chain design with food preparation, food storage, food service and dining areas. The restaurant is a single floor, 2,000 square foot building with wood frame construction. Windows are present on three sides.

14. Hospital
The building is a 4-story, 272,200 sq. ft., 348-bed hospital. It is of face brick construction. There are multiple types of HVAC systems.

15. Bar/Lounge
The bar/lounge is a small store of 2,160 sq. ft., part of a strip store street mall which shares two walls with other stores.

As part of the development of a screening tool, GARD Analytics has developed a series of scaleable DOE-2 models for the commercial building types listed below. These models are highly parameterized and can be easily altered to match the floor space, glazing percentage, internal loads, setpoints, etc., which better represent customers’ target buildings. Parameterized models include:

P1. Hospital - 6-story hospital. Maximum allowable glazing percentage is 80%.

P2. Large Hotel - Six-story building with lobby and meeting rooms on first floor, guest rooms on upper floors. Maximum allowable glazing percentage is 80%.

P3. Small Hotel/Motel - Two-story slab on grade construction with interior corridors. Maximum allowable glazing percentage is 80%.

P4. Ice Arena - Single-story slab on grade construction, typical of a municipal ice skating facility with two ice sheets, one regulation size, and one smaller rink. Maximum allowable glazing percentage is 0%, no glazing modeled.

P5. Nursing Home - Single-story slab on grade construction with attic. Maximum allowable glazing percentage is 43%.

P6. Quick Service Restaurant - Single-story slab on grade construction, typical of a national-chain hamburger restaurant. Maximum allowable glazing percentage is 65%.

P7. Retail Store - Single-story slab on grade construction, typical of a national-chain discount department store. Maximum allowable glazing percentage is 28%.

P8. School - Single-story slab on grade construction, typical of a suburban secondary school. Assumed to operate on summer schedule during Jun-Aug, 8 am-12 noon, M-F, kitchen closed. Because of the allocation of glazing to classrooms and the remaining portions of the school, the maximum fraction of glazing varies with the overall size of the school.

P9. Supermarket - Single-story slab on grade construction, typical of a large 24-hr supermarket. Maximum allowable glazing percentage is 4%.

P10. Theater - Single-story slab on grade construction, typical of a multiplex movie theater. Maximum allowable glazing percentage is 24%.

P11. Refrigerated Warehouse - Single-story slab on grade construction, typical of a large 24-hr supermarket. Glazing is not user controllable.

P12. Low-Rise Office – Single-story slab on grade construction, typical of a suburban office park. Maximum allowable glazing percentage is 95%.