A front-loading laundry washing and drying machine, comprising: a cabinet having a front wall, a rear wall, two side walls (5a, 5b), and an upper wall, the cabinet housing an oscillating assembly that comprises a treatment tub having a substantially horizontal longitudinal axis; a drying circuit comprising a heat pump inside the cabinet, the heat pump including an evaporator device, a condenser device, a compressor, and a fan for forcing a flow of air through the evaporator device and the condenser device, wherein at least the evaporator device and the condenser device are housed inside the cabinet above the treatment tub, the evaporator device and the condenser device each including a heat exchanger (122, 123) having a body configured for being traversed by the forced flow of air, the body of each heat exchanger having an inlet end and an outlet end opposite to one another, for the forced flow of air, and a first lateral end and a second lateral end opposite to one another and set transversely with respect to the inlet end and outlet ends; wherein the heat exchangers (122, 123) of the evaporator device and the condenser device are set inside the cabinet in a lateral area that is comprised between a first side wall of the cabinet and a median vertical plane of the treatment tub that contains the corresponding longitudinal axis, with the first lateral end of each heat exchanger (122, 123) that is closer to the aforesaid median vertical plane and the second lateral end of each heat exchanger (122, 123) that is closer to the aforesaid first side wall; wherein the heat exchangers (122, 123) of the evaporator device and the condenser device are set in the aforesaid lateral area according to a plane of lie (P2; P4, P5) inclined with respect to a horizontal plane; wherein the bodies of the heat exchangers (122, 123) of the evaporator device and of the condenser device are set in the aforesaid lateral area with the inlet end and the outlet end at different heights, and wherein the bodies of the heat exchangers (122, 123) of the evaporator device and of the condenser device are set in the aforesaid lateral area with the respective inlet ends that are at a lower height than the respective outlet ends. a cabinet having a front wall, a rear wall, two side walls (5a, 5b), and an upper wall, the cabinet housing an oscillating assembly that comprises a treatment tub having a substantially horizontal longitudinal axis; a drying circuit comprising a heat pump inside the cabinet, the heat pump including an evaporator device, a condenser device, a compressor, and a fan for forcing a flow of air through the evaporator device and the condenser device, wherein at least the evaporator device and the condenser device are housed inside the cabinet above the treatment tub, the evaporator device and the condenser device each including a heat exchanger (122, 123) having a body configured for being traversed by the forced flow of air, the body of each heat exchanger having an inlet end and an outlet end opposite to one another, for the forced flow of air, and a first lateral end and a second lateral end opposite to one another and set transversely with respect to the inlet end and outlet ends; wherein the heat exchangers (122, 123) of the evaporator device and the condenser device are set inside the cabinet in a lateral area that is comprised between a first side wall of the cabinet and a median vertical plane of the treatment tub that contains the corresponding longitudinal axis, with the first lateral end of each heat exchanger (122, 123) that is closer to the aforesaid median vertical plane and the second lateral end of each heat exchanger (122, 123) that is closer to the aforesaid first side wall; wherein the heat exchangers (122, 123) of the evaporator device and the condenser device are set in the aforesaid lateral area according to a plane of lie (P2; P4, P5) inclined with respect to a horizontal plane; wherein the bodies of the heat exchangers (122, 123) of the evaporator device and of the condenser device are set in the aforesaid lateral area with the inlet end and the outlet end at different heights, and wherein the bodies of the heat exchangers (122, 123) of the evaporator device and of the condenser device are set in the aforesaid lateral area with the respective inlet ends that are at a lower height than the respective outlet ends.