scope:

This code applies to commercial buildings and the buildings' sites and associated systems and equipment.

Exception:

The Energy Code shall not apply to any of the following, provided that the energy use of the building is not increased:

Storm windows installed over existing fenestration;

Glass only replacements in an existing sash and frame;

Existing ceiling, wall or floor cavities exposed during construction provided that these cavities are filled with insulation;

Construction where the existing roof, wall or floor cavity is not exposed;

Reroofing for roofs where neither the sheathing nor the insulation is exposed; roofs without insulation in the cavity and where the sheathing or insulation is exposed during reroofing shall be insulated either above or below the sheathing;

Replacement of existing doors that separate conditioned space from the exterior shall not require the installation of a vestibule or revolving door, provided, however, that an existing vestibule that separates such conditioned space from the exterior shall not be removed;

Alterations that replace less than fifty percent of the luminaries in a space, provided that such alterations do not increase the installed interior lighting power; or alterations that replace only the bulb and ballast within the existing luminaries in a space provided that the alteration does not increase the installed interior lighting power.