Single package vertical air conditioner

means air‐cooled commercial package air conditioning and heating equipment that:

(1) is factory‐assembled as a single package that:

(A) has major components that are arranged vertically;

(B) is an encased combination of cooling and optional heating components; and

(C) is intended for exterior mounting on, adjacent interior to, or through an outside wall;

(2) is powered by a single‐ or three‐phase current;

(3) may contain one or more separate indoor grilles, outdoor louvers, various ventilation options, indoor free air discharges, ductwork, well plenum, or sleeves; and

(4) has heating components that may include electrical resistance, steam, hot water, or gas, but may not include reverse cycle refrigeration as a heating means.