A freeze tunnel comprising: a first end and a second end; a conveyor configured to move a plurality of individual pieces of food product from the first end to the second end, the conveyor having a first side and a second side; a plurality of first cooling units and at least one first fan positioned on the first side of the conveyor; and a plurality of second cooling units and at least one second fan positioned on the second side of the conveyor, wherein the plurality of first and plurality of second cooling units (20, 24) are not vertically aligned with the conveyor, and the at least one first and second fan (30, 32) cooperate to circulate air inside the freeze tunnel in two opposite rotational directions, wherein the plurality of first cooling units extend substantially along the length of the freeze tunnel, and the plurality of second cooling units extend substantially along the length of the freeze tunnel, the plurality of second cooling units being positioned generally opposite the plurality of first cooling units relative to the conveyor; further comprising: a first cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a second cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a third cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; and a first baffle member positioned between the first and second cooling sections (60, 62) and a second baffle member positioned between the second and third cooling sections (62, 64). a first end and a second end; a conveyor configured to move a plurality of individual pieces of food product from the first end to the second end, the conveyor having a first side and a second side; a plurality of first cooling units and at least one first fan positioned on the first side of the conveyor; and a plurality of second cooling units and at least one second fan positioned on the second side of the conveyor, wherein the plurality of first and plurality of second cooling units (20, 24) are not vertically aligned with the conveyor, and the at least one first and second fan (30, 32) cooperate to circulate air inside the freeze tunnel in two opposite rotational directions, wherein the plurality of first cooling units extend substantially along the length of the freeze tunnel, and the plurality of second cooling units extend substantially along the length of the freeze tunnel, the plurality of second cooling units being positioned generally opposite the plurality of first cooling units relative to the conveyor; further comprising: a first cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a second cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a third cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; and a first baffle member positioned between the first and second cooling sections (60, 62) and a second baffle member positioned between the second and third cooling sections (62, 64). a first cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a second cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; a third cooling section having at least one of the plurality of first cooling units and at least one of the plurality of second cooling units; and a first baffle member positioned between the first and second cooling sections (60, 62) and a second baffle member positioned between the second and third cooling sections (62, 64).