Technical Criteria for Green Building Programs
How Can We Measure Green-ness?
Variable Criteria Standard Metrics .
Energy (res.) EEBA says... IECC 2000 Btu / fuels / $ (50% savings) HERS score
(commercial) LEED V2 ASHRAE 90.1 Btu / kWh
(10, 20, 30 %) - 1999 energy budget
Materials LEED V2 none Tons, $ tipping fees
efficiency certified Bd-feet lumber, etc.
Recycled 35% "recycled" none % post cons. waste
Water 50% reduction NAECA 1992 gallons, gallon/flush
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Note: the above categories are included as examples only, there are more