Energy Conservation in Existing Buildings (ASHRAE/IESNA 100-1995; Supersedes ASHRAE/IESNA 100.2: 1991@ 100.3: 1985@ 100.4: 1984@ 100.5: 1991 and 100.6: 1991; Addenda b January 30@1997)
This standard defines methods for energy surveys@ provides guidance for operation and maintenance@ and describes building and equipment modification provisions that must be met for a building or building complex to comply with this standard.This standard applies to existing buildings@ portions of buildings@ and complexes including the envelope and systems for heating@ ventilating@ and air conditioning@ service water heating@ energy distribution@ and lighting.