3.6 : Office Building Markets and Companies




3.6.10 Energy Benchmarks for Existing Medium Office Buildings, by Selected City and End-Use
(thousand Btu per square foot)
IECC Heating Cooling Water Heating Ventilation
Climate Zone Post Pre Post Pre Post Pre Post Pre
Miami 1A 1.0 0.0 22.0 19.2 0.4 0.4 1.9 13.0
Houston 2A 4.6 1.8 15.5 14.7 0.5 0.5 1.5 12.8
Phoenix 2B 4.0 0.7 17.5 19.4 0.4 0.4 1.9 15.0
Atlanta 3A 7.8 4.3 10.1 10.4 0.6 0.5 1.4 13.9
Los Angeles 3B 4.1 0.3 8.0 3.5 0.5 0.5 1.4 10.9
Las Vegas 3B 5.6 1.4 13.2 14.6 0.5 0.5 1.8 14.5
San Francisco 3C 5.8 1.7 2.9 1.2 0.6 0.6 1.1 8.9
Baltimore 4A 12.1 9.6 8.0 7.8 0.6 0.6 1.3 12.8
Albuquerque 4B 8.0 4.6 6.7 6.9 0.6 0.6 1.6 14.4
Seattle 4C 11.8 7.3 2.5 1.3 0.6 0.6 1.2 11.1
Chicago 5A 17.8 14.2 5.5 4.5 0.7 0.6 1.4 11.4
Boulder 5B 11.6 8.3 4.4 3.9 0.7 0.6 1.5 12.6
Minneapolis 6A 23.6 22.4 4.8 3.8 0.7 0.7 1.4 11.0
Helena 6B 18.1 15.0 2.9 2.3 0.7 0.7 1.4 12.9
Duluth 7 28.9 29.4 2.4 1.7 0.8 0.7 1.4 10.3
Fairbanks 8 52.8 56.4 1.6 1.2 0.8 0.8 1.7 13.2
Note(s): Commercial building energy benchmarks are based off of the current stock of commercial buildings and reflect 2004 ASHRAE 90.1 Climate Zones. They are designed to provide a consistent baseline to compare building performance in energy-use simulations. 'Post' refers to buildings construction in or after 1980. 'Pre' refers to buildings construction before 1980. The benchmark building had 44,985 square feet and 3 floors. Benchmark interior lighting energy = 16.82 thousand Btu/SF. Interior equipment energy consumption = 18.85 thousand Btu/SF.









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