Abstract: A refrigerated food storage box has been disclosed. This refrigerated food storage box has an inner box comprising a set of inner walls and an inner base, together enclosing a food storage compartment. There is also an outer box comprising a set of outer walls and an outer base, wherein each outer wall is located at a predetermined distance from a corresponding inner wall and the outer base is located at the predetermined distance from the inner base, thereby creating a thermal cavity between the inner box and the outer box. There is at least one plate-type heat exchanger located within the thermal cavity, wherein each plate-type heat exchanger having a hollow cavity therein. Note that the hollow cavity capable of receiving temperature controlled air from a refrigeration unit, thereby capable of altering the temperature inside the food storage compartment.

Abstract: A refrigerated food storage box has been disclosed. This refrigerated food storage box has an inner box comprising a set of inner walls and an inner base, together enclosing a food storage compartment. There is also an outer box comprising a set of outer walls and an outer base, wherein each outer wall is located at a predetermined distance from a corresponding inner wall and the outer base is located at the predetermined distance from the inner base, thereby creating a thermal cavity between the inner box and the outer box. There is at least one plate-type heat exchanger located within the thermal cavity, wherein each plate-type heat exchanger having a hollow cavity therein. Note that the hollow cavity capable of receiving temperature controlled air from a refrigeration unit, thereby capable of altering the temperature inside the food storage compartment.