3.6 : Office Building Markets and Companies




3.6.7 Advanced Energy Design Guide for Small Office Buildings (1)
Shell
Percent Glass (WWR) 20-40%
Window U-Factor 0.33-0.56
SHGC 0.31-0.49
Wall R-Value 7.6-15.2
Roof R-Value
Attic 30-60
Insulation Above Deck 15-30
Wall Material Mass (HC > 7 Btu/ft^2)
Lighting
Average Power Density (Watts/SF) 0.9
System and Plant
System and Plant
Packaged Single-Zone
Packaged Single-Zone w/ Economizer Cooling Capacity > 54 kBtu
Heating Plant:
Gas Furnace 80% Combustion Efficiency
Cooling Plant:
Air conditioner (135-240 thousand Btu*hr.) 10.8 EER/11.2 IPLV - 11.0 EER/11.5 IPLV
Service Hot Water:
Gas Water Heater 90% Thermal Efficiency
Note(s): 1) Guide provides approximate parameters for constructing a building which is 30% more efficient than ASHRAE 90.1-1999. Ranges are because of climate zone dependencies.









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Related Tables:

PDFXLS

3.6.1

2009 Energy Consumption per Square Foot of Office Floorspace by Vintage

PDFXLS

3.6.2

Energy Expenditures per Square Foot of Office Floorspace by Building Age

PDFXLS

3.6.8

Energy Benchmarks for Existing Large Office Buildings, by Selected City and End-Use

PDFXLS

3.7.4

Advanced Energy Design Guide for Small Retail Buildings

PDFXLS

3.7.5

Energy Benchmarks for Existing Retail Buildings, by Selected City and End-Use



Sources:

ASHRAE, Advanced Energy Design Guide for Small Office Buildings, 2004