Machine for the drying of dishes or the like, comprising: - a box-type chassis; - awash chamber defined by said box-type chassis, suitable for housing said dishes and for containing an air-steam mixture; - a circulation duct in fluid communication with the wash chamber through a first opening for introducing the air-steam mixture from the wash chamber into the circulation duct, and through a second opening for introducing the air-steam mixture from the circulation duct into the wash chamber; - extraction means disposed on the box-type chassis for extracting the air-steam mixture from the wash chamber and conveying said air-steam mixture in the circulation duct through the first opening; - a heat exchanger disposed in the circulation duct and suitable for containing a heat transfer fluid with a lower temperature than the dew point temperature of the air-steam mixture, in such a way to cool the air-steam mixture and partially condensate the humidity of said air-steam mixture; said heat exchanger comprises a coil condenser designed in such a way to favor a heat exchange between the air-steam mixture contained in the circulation duct and the heat transfer fluid contained in the heat exchanger; said machine also comprising means configured in such a way to change the heat transfer fluid contained in the heat exchanger during a drying cycle, said means, configured in such a way to change the heat transfer fluid contained in the heat exchanger during a drying cycle, comprise: - a timer; - an electrically-controlled normally-closed valve; - a control and processing unit connected to the timer in such a way to open said valve and either partially or completely change the heat transfer fluid contained in the coil condenser at set time intervals, several times during a drying cycle, characterized in that the coil condenser of the heat exchanger is provided with a plurality of fins; said electrically-controlled normally-closed valve is disposed in an outlet mouth of the coil condenser; the control and processing unit and the timer are configured in such a way to define during the drying cycle: - a first time interval (Δt1), wherein the valve is closed in such a way that the heat transfer fluid remains in the coil condenser; - a second time interval (Δt2), wherein the valve is open several times to allow the exiting of the heat transfer fluid from the coil condenser; - a third time interval, wherein the exiting frequency of the heat transfer fluid contained in the coil condenser is reduced; and - a fourth time interval (Δt4), wherein the exiting of the heat transfer fluid contained in the coil condenser is interrupted. - a box-type chassis; - awash chamber defined by said box-type chassis, suitable for housing said dishes and for containing an air-steam mixture; - a circulation duct in fluid communication with the wash chamber through a first opening for introducing the air-steam mixture from the wash chamber into the circulation duct, and through a second opening for introducing the air-steam mixture from the circulation duct into the wash chamber; - extraction means disposed on the box-type chassis for extracting the air-steam mixture from the wash chamber and conveying said air-steam mixture in the circulation duct through the first opening; - a heat exchanger disposed in the circulation duct and suitable for containing a heat transfer fluid with a lower temperature than the dew point temperature of the air-steam mixture, in such a way to cool the air-steam mixture and partially condensate the humidity of said air-steam mixture; - a timer; - an electrically-controlled normally-closed valve; - a control and processing unit connected to the timer in such a way to open said valve and either partially or completely change the heat transfer fluid contained in the coil condenser at set time intervals, several times during a drying cycle, - a first time interval (Δt1), wherein the valve is closed in such a way that the heat transfer fluid remains in the coil condenser; - a second time interval (Δt2), wherein the valve is open several times to allow the exiting of the heat transfer fluid from the coil condenser; - a third time interval, wherein the exiting frequency of the heat transfer fluid contained in the coil condenser is reduced; and - a fourth time interval (Δt4), wherein the exiting of the heat transfer fluid contained in the coil condenser is interrupted.