A heat conduction unit comprising: a thermoelectric element having a heating surface and a heat absorption surface that opposes the heating surface ; an evaporation device having a first side that contacts the heating surface of the thermoelectric element and a second side coupled to a refrigerant pipe of an evaporator to transmit heat from the heating surface of the thermoelectric element ; wherein an amount of heat-exchange between a refrigerant of the evaporation device and a central portion of the heating surface having a high temperature is greater than an amount of heat-exchange between the refrigerant and a peripheral portion of the heating surface that surrounds the central portion of the heating surface , wherein the evaporation device includes: a heat exchange plate adapted to contact the heating surface of the thermoelectric element to exchange heat with the heating surface ; and a refrigerant flow channel within the heat exchange plate , the refrigerant flow channel is adapted to allow the refrigerant from the evaporator to flow in the refrigerant flow channel to exchange heat with the heat exchange plate , wherein the heat exchange plate has a refrigerant intake port for intaking the refrigerant from the evaporator to the refrigerant flow channel and a refrigerant discharge port for discharging the refrigerant from the refrigerant flow channel , characterised in that the refrigerant intake port is formed at a central portion of the heat exchange plate to exchange heat with a central portion of the heating surface of which the temperature is higher than that of the peripheral portion of the heating surface . a thermoelectric element having a heating surface and a heat absorption surface that opposes the heating surface ; an evaporation device having a first side that contacts the heating surface of the thermoelectric element and a second side coupled to a refrigerant pipe of an evaporator to transmit heat from the heating surface of the thermoelectric element ; wherein an amount of heat-exchange between a refrigerant of the evaporation device and a central portion of the heating surface having a high temperature is greater than an amount of heat-exchange between the refrigerant and a peripheral portion of the heating surface that surrounds the central portion of the heating surface , wherein the evaporation device includes: a heat exchange plate adapted to contact the heating surface of the thermoelectric element to exchange heat with the heating surface ; and a refrigerant flow channel within the heat exchange plate , the refrigerant flow channel is adapted to allow the refrigerant from the evaporator to flow in the refrigerant flow channel to exchange heat with the heat exchange plate , a heat exchange plate adapted to contact the heating surface of the thermoelectric element to exchange heat with the heating surface ; and a refrigerant flow channel within the heat exchange plate , the refrigerant flow channel is adapted to allow the refrigerant from the evaporator to flow in the refrigerant flow channel to exchange heat with the heat exchange plate , wherein the heat exchange plate has a refrigerant intake port for intaking the refrigerant from the evaporator to the refrigerant flow channel and a refrigerant discharge port for discharging the refrigerant from the refrigerant flow channel , characterised in that the refrigerant intake port is formed at a central portion of the heat exchange plate to exchange heat with a central portion of the heating surface of which the temperature is higher than that of the peripheral portion of the heating surface . <EOS>