05). httpWwww.ashrae.org. 134 LEED REFERENCE GUIDE FOR GREEN INTERIOR DESIGN AND CONSTRUCTION 2009 EDITION EFTA00281673 ASHRAE Guideline 1-1996: The HVAC Commissioning Process, (American Society of Heating, Refrigerating and Air-Conditioning Engineers,1996). http://www.ashrae.org. ASHRAE Guideline 4-1993: Preparation of Op