Commercial refrigerator, commercial freezer, or commercial refrigerator-freezer

means refrigeration equipment that:

(1) is not a federally regulated consumer product, within the meaning of 10 C.F.R. part 430, section 430.2;

(2) is not designed and marketed exclusively for medical, scientific, or research purposes;

(3) operates at a chilled, frozen, combination chilled and frozen, or variable temperature;

(4) displays or stores merchandise and other perishable materials horizontally, semi‐ vertically, or vertically;

(5) has transparent or solid doors, sliding or hinged doors, a combination of hinged, sliding, transparent, or solid doors, or no doors;

(6) is designed for pull‐down temperature applications or holding temperature applications; and

(7) is connected to a self‐contained condensing unit or to a remote condensing unit.