Abstract: A configurable evaporator unit for a secondary heating, ventilation and air conditioning (HVAC) system that provides conditioned air within a cabin portion of a vehicle is provided. The configurable evaporator unit includes an evaporator unit and a blower assembly disposed within a housing. The blower assembly houses an evaporator blower for directing conditioned air out of the configurable evaporator unit. The blower assembly includes a plurality of blower openings for directing conditioned air out of the blower assembly with each of the plurality of blower openings provided on one of a front side surface, a back side surface, a top side surface, a bottom side surface, and an exterior side surface. The housing includes a plurality of housing openings with each of the plurality of housing openings disposed on one of a front side, a back side, a top side, a bottom side, and an exterior side of the housing.