17-8-7 Mechanical equipment and ductwork
A.   All roof mounted equipment and ductwork must be screened by an enclosure consistent with the architecture of the building.
B.   Mechanical equipment, except utility equipment owned by the providers of those utilities, may not be exposed on an exterior wall surface of a building, and must be concealed or screened to the maximum extent practicable.
C.   Use of an incinerator is permitted only in industrial zones upon the issuance of a conditional use permit (see section 17-3-2).