To provide a water temperature control device capable of keeping an appropriate water temperature at all times by performing control to raise and lower a water temperature.SOLUTION: The water temperature control device 1 includes a casing having an inlet port and an exhaust port and accommodating the thermoelectric conversion part 50, a fan accommodated in the cabinet for sucking outside air into the inside of the cabinet from the inlet port, A fan 80 housed in the casing and exhausting the air inside the casing from the exhaust port to the outside and a fan 80 accommodated in the casing and provided between the fan 70 and the fan 80, the thermoelectric conversion unit 50 And a heat condenser 60 that performs heat exchange between the air inside the housing and the air. The intake port, the fan 70, the heat condenser 60, the fan 80, and the exhaust port are arranged on the same straight line.BACKGROUND OF THE INVENTION【課題】水温を上昇及び下降させる制御を行うことにより、常に適切な水温を保つことができる水温制御装置を提供する。【解決手段】水温制御装置1は、吸気口及び排気口を備え、熱電変換部50を収納する筐体と、筐体に収納され、外部の空気を吸気口から筐体の内部に吸気するファン70と、筐体に収納され、筐体の内部の空気を排気口から外部に排気するファン80と、筐体に収納されると共にファン70とファン80との間に設けられ、熱電変換部50と筐体の内部の空気との間で熱交換を行う熱凝縮器60と、を有する。吸気口と、ファン70と、熱凝縮器60と、ファン80と、排気口と、は同一直線上に配置される。【選択図】図1
