(a) Roof-mounted Mechanical Equipment. All roof-supported mechanical equipment such as air conditioners, heating and ventilating systems, ducts, cooling towers, solar equipment, 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 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).