A refrigerator comprising - a body, - three compartments of which two compartments are freezing compartments wherein products to be frozen are placed, - three doors connected to the body, providing separate access into the compartments, - more than one hinge, each one used commonly by two doors, enabling the doors to be held and connected to the body, - sealing gaskets installed at the inner part of the doors (10, 11) sides, closing on one front side of the body in the closed position of the doors (10, 11), providing the insulation of each freezing compartment from the outside environment, and an intermediary space, of which one portion forming the front side of the body is covered by a sheet metal and which separates the two freezing compartments, and wherein each hinge, of which one end of the base portion is connected to the sheet metal, forming the front side of the intermediary space that separates the compartments, with two screws and the other end of the base portion being connected to the panel, forming the front side of the side wall of the body, with a single screw, wherein a heating duct installed inside the body to align with the side whereon the sealing gaskets close on the body and preventing the sealing gaskets from adhering to the body in the closed position of the doors (10, 11) due to freezing of the moisture, - the heating duct, of which a portion corresponding to the front side of the panel forming the side wall of the body to which front side the screw is installed, winds around the screw like an arc so as to be parallel to the side wall of the body and not to contact the screw, - the surface of the arc-shaped portion of the heating duct is widened in order to increase heat transfer to the front panel. - a body, - three compartments of which two compartments are freezing compartments wherein products to be frozen are placed, - three doors connected to the body, providing separate access into the compartments, - more than one hinge, each one used commonly by two doors, enabling the doors to be held and connected to the body, - sealing gaskets installed at the inner part of the doors (10, 11) sides, closing on one front side of the body in the closed position of the doors (10, 11), providing the insulation of each freezing compartment from the outside environment, and an intermediary space, of which one portion forming the front side of the body is covered by a sheet metal and which separates the two freezing compartments, and wherein each hinge, of which one end of the base portion is connected to the sheet metal, forming the front side of the intermediary space that separates the compartments, with two screws and the other end of the base portion being connected to the panel, forming the front side of the side wall of the body, with a single screw, wherein a heating duct installed inside the body to align with the side whereon the sealing gaskets close on the body and preventing the sealing gaskets from adhering to the body in the closed position of the doors (10, 11) due to freezing of the moisture, - the heating duct, of which a portion corresponding to the front side of the panel forming the side wall of the body to which front side the screw is installed, winds around the screw like an arc so as to be parallel to the side wall of the body and not to contact the screw, - the surface of the arc-shaped portion of the heating duct is widened in order to increase heat transfer to the front panel.