(a) Roof-mounted Mechanical Equipment. All roof-supported mechanical equipment such as air conditioners, heating and ventilating systems, ducts, cooling towers, solar panels, and similar equipment shall be screened or enclosed, as viewed from a public street or public alley. Screening materials shall consist of materials architecturally compatible with the building for which the equipment is provided.
(b) Air Conditioning/Filtration Units. All air conditioning and/or filtration units shall be screened or enclosed in manner that is visually compatible with the structure upon which it is located and installed and/or designed such that no portion of the unit is visible from any public street or adjoining lot. Units requiring approval of a building permit shall be subject to a zoning clearance (Chapter 21.96). The community development director may impose conditions to minimize noise, dust, and vibration and to ensure compatibility with surrounding property.
(Ord. 612 Exhibit A (part), 2008).