Abstract: Air conditioner comprising a condenser unit (1), through which a flow of external air passes between an inlet section (3) and an outlet section (4), and an evaporation unit (2), through which a flow of internal air passes between an inlet section (5) and an outlet section (6), wherein the condenser unit (1) is provided with at least two connections with the exterior (8) designed to mate with small-diameter circular holes (7) communicating with the external environment.