An integral air conditioning system for heating and cooling, the integral air conditioning system comprising: an air conditioner comprising a first compressor and a first indoor heat exchanger, the air conditioner forming a first refrigeration cycle; a cooler comprising a second compressor and a second indoor heat exchanger, the cooler forming a second refrigeration cycle, wherein the cooler comprises a sensing part being adapted to detect a pressure and/or temperature of a refrigerant circulating in the second refrigeration cycle; an outdoor heat exchanger comprising a first heat exchange part being part of the first refrigeration cycle and a second heat exchange part being part of the second refrigeration cycle; a blower fan for blowing outdoor air into the first heat exchange part and the second heat exchange part; characterized by further comprising: a branch part comprising a plurality of branches for dividing the refrigerant to be introduced into the second heat exchange part, a control unit configured to compare the detection value received from the sensing part with a preset value, and configured to control the flow of refrigerant through the branches into the second heat exchange part depending on the comparison result; and a plurality of valves disposed in the branches of the branch part, wherein the control unit is configured to control the plurality of valves in accordance with a plurality of valve adjustment stages being previously set, wherein each of the valve adjustment stages represents an open degree of the plurality of valves, wherein the second heat exchange part comprises a plurality of branch heat exchange parts (320a, 320b, 320c), respectively corresponding to the plurality of branches of the branch part, and wherein, for the branch heat exchange part being disposed closest to the blower fan, a valve adjustment stage in which the branch heat exchange part is turned on is ranked higher than one in which the branch heat exchange part is turned off. an air conditioner comprising a first compressor and a first indoor heat exchanger, the air conditioner forming a first refrigeration cycle; a cooler comprising a second compressor and a second indoor heat exchanger, the cooler forming a second refrigeration cycle, wherein the cooler comprises a sensing part being adapted to detect a pressure and/or temperature of a refrigerant circulating in the second refrigeration cycle; an outdoor heat exchanger comprising a first heat exchange part being part of the first refrigeration cycle and a second heat exchange part being part of the second refrigeration cycle; a blower fan for blowing outdoor air into the first heat exchange part and the second heat exchange part; characterized by further comprising: a branch part comprising a plurality of branches for dividing the refrigerant to be introduced into the second heat exchange part, a control unit configured to compare the detection value received from the sensing part with a preset value, and configured to control the flow of refrigerant through the branches into the second heat exchange part depending on the comparison result; and a plurality of valves disposed in the branches of the branch part, a branch part comprising a plurality of branches for dividing the refrigerant to be introduced into the second heat exchange part, a control unit configured to compare the detection value received from the sensing part with a preset value, and configured to control the flow of refrigerant through the branches into the second heat exchange part depending on the comparison result; and a plurality of valves disposed in the branches of the branch part, wherein the control unit is configured to control the plurality of valves in accordance with a plurality of valve adjustment stages being previously set, wherein each of the valve adjustment stages represents an open degree of the plurality of valves, wherein the second heat exchange part comprises a plurality of branch heat exchange parts (320a, 320b, 320c), respectively corresponding to the plurality of branches of the branch part, and wherein, for the branch heat exchange part being disposed closest to the blower fan, a valve adjustment stage in which the branch heat exchange part is turned on is ranked higher than one in which the branch heat exchange part is turned off.