| Except as provided in this section, new construction or |
substantial renovation of any commercial or institutional |
| building undertaken after January 1, 2004 must conform to ASHRAE |
| Standard 62-2001 and either ASHRAE Standard 90.1-2001 or the 2003 |
| edition of the International Energy Conservation Code published |
| by the International Code Council under any of the compliance |
methods specified in the standards. For the purpose of this |
section compliance with the 2003 edition of the International |
Energy Conservation Code published by the International Code |
Council constitutes compliance with ASHRAE Standard 90.1-2001. |
| For the purpose of this section, "substantial renovation" means |
| any renovation for which the cost exceeds 50% of the building's |
| current value prior to renovation. |