A refrigerator including a body, a door, a freezing chamber and a refrigerating chamber, comprising: - a freezing cycle including: a first compressor configured to compress a first refrigerant; and a first condenser configured to return the first refrigerant to the first compressor; - a refrigerating cycle including: a second compressor configured to compress a second refrigerant; and a second condenser configured to return the second refrigerant to the second compressor, wherein the second refrigerant is independently cycled from the first refrigerant; a radiating fan for the first condenser and the second condenser; and - a controller configured to control the radiating fan for the first condenser and the second condenser based on an operation state of the first compressor and the second compressor, characterized by further comprising: a hot refrigerant channel configured to allow the first refrigerant to pass therethrough and being located between the body and the door of the refrigerator, wherein the hot refrigerant channel includes a refrigerant pipe installed at a contact part between the body and the door, wherein the hot refrigerant channel is coupled to the first condenser, wherein, for a predetermined time interval, an average operation time of the first compressor in the freezing cycle is longer than an average operation time of the second compressor in the refrigerating cycle, and wherein the controller is configured to operate the freezing cycle for supplying a cool air to the freezing chamber, to operate the refrigerating cycle for supplying a cool air to the refrigerating chamber, and to operate both the freezing cycle and the refrigerating cycle when a change amount of a load of the refrigerator exceeds a reference value. - a freezing cycle including: a first compressor configured to compress a first refrigerant; and a first condenser configured to return the first refrigerant to the first compressor; a first compressor configured to compress a first refrigerant; and a first condenser configured to return the first refrigerant to the first compressor; - a refrigerating cycle including: a second compressor configured to compress a second refrigerant; and a second condenser configured to return the second refrigerant to the second compressor, wherein the second refrigerant is independently cycled from the first refrigerant; a radiating fan for the first condenser and the second condenser; and a second compressor configured to compress a second refrigerant; and a second condenser configured to return the second refrigerant to the second compressor, wherein the second refrigerant is independently cycled from the first refrigerant; a radiating fan for the first condenser and the second condenser; and - a controller configured to control the radiating fan for the first condenser and the second condenser based on an operation state of the first compressor and the second compressor, characterized by further comprising: a hot refrigerant channel configured to allow the first refrigerant to pass therethrough and being located between the body and the door of the refrigerator, wherein the hot refrigerant channel includes a refrigerant pipe installed at a contact part between the body and the door, wherein the hot refrigerant channel is coupled to the first condenser, wherein, for a predetermined time interval, an average operation time of the first compressor in the freezing cycle is longer than an average operation time of the second compressor in the refrigerating cycle, and wherein the controller is configured to operate the freezing cycle for supplying a cool air to the freezing chamber, to operate the refrigerating cycle for supplying a cool air to the refrigerating chamber, and to operate both the freezing cycle and the refrigerating cycle when a change amount of a load of the refrigerator exceeds a reference value. a hot refrigerant channel configured to allow the first refrigerant to pass therethrough and being located between the body and the door of the refrigerator, wherein the hot refrigerant channel includes a refrigerant pipe installed at a contact part between the body and the door, wherein the hot refrigerant channel is coupled to the first condenser, wherein, for a predetermined time interval, an average operation time of the first compressor in the freezing cycle is longer than an average operation time of the second compressor in the refrigerating cycle, and wherein the controller is configured to operate the freezing cycle for supplying a cool air to the freezing chamber, to operate the refrigerating cycle for supplying a cool air to the refrigerating chamber, and to operate both the freezing cycle and the refrigerating cycle when a change amount of a load of the refrigerator exceeds a reference value.