CHILLING UNIT AND AIR CONDITIONING DEVICE

A chilling unit of the present disclosure includes a machine chamber being a housing with a rectangular bottom and accommodating therein devices forming each of a plurality of systems of refrigerant circuits, a plurality of heat-medium heat exchangers, each being configured to exchange heat between refrigerant and a heat medium serving as a heat delivering medium through the plurality of systems of refrigerant circuits, and each being configured to serve as a part of the devices forming the refrigerant circuits, and a plurality of refrigerant circuit-side control boxes, each including an electric device configured to drive and control the devices forming the refrigerant circuits, wherein the plurality of refrigerant circuit-side control boxes are located next to each other in the machine chamber in a longitudinal direction thereof alongside one of longitudinal sides of the machine chamber.