A climate control system for a wind turbine having a nacelle and a tower, comprising: a plurality of cooling circuits (10, 20, 30, 40) adapted to carry heat generated by components (12, 22, 32, 42) of the nacelle to outside the nacelle, the components (12, 22, 32, 42) including a drivetrain, a generator, a hydraulic system, a converter, and a transformer, an airflow system comprising an air handling unit (60a, 60d) including a liquid-to-air heat exchanger (66a, 66d) adapted to receive a warm outflow of coolant from the cooling circuit connected to the drivetrain across a variable flow control valve, the air handling unit (60a, 60d) supplying clean ambient air to the nacelle at a specified relative humidity, wherein the variable flow control valve regulates a flow rate of the coolant through the heat exchanger (66a, 66d), thereby adjusting the temperature of the air entering the nacelle and thereby the amount of preheating of the air entering the nacelle and the relative humidity, characterized in that the system further comprises a wall between the converter and the transformer thereby separating the nacelle into a section that houses the drivetrain, the generator, the hydraulic system, and the converter, and a section housing that houses the transformer, wherein the airflow system is a first airflow system for maintaining the relative humidity of the air inside the section of the nacelle that houses the drivetrain, the generator, the hydraulic system, and the converter, the system further comprising a converter outlet through which air exits the nacelle immediately after it flows over the converter; the system further comprising a second airflow system for maintaining the relative humidity of the section of the nacelle that houses the transformer, the second airflow system comprising: a second air handling unit located below the transformer and including a second liquid-to-air heat exchanger adapted to receive a warm outflow of coolant from the cooling circuit connected to the converter across a further hydraulic control valve, the second air handling unit supplying clean ambient air to the transformer section of the nacelle at a specified relative humidity, wherein the further hydraulic flow control valve regulates a flow rate of the coolant through the second heat exchanger, thereby adjusting the temperature of the air entering the transformer section of the nacelle and thereby the amount of preheating of the air entering the transformer section of the nacelle and the relative humidity. a plurality of cooling circuits (10, 20, 30, 40) adapted to carry heat generated by components (12, 22, 32, 42) of the nacelle to outside the nacelle, the components (12, 22, 32, 42) including a drivetrain, a generator, a hydraulic system, a converter, and a transformer, an airflow system comprising an air handling unit (60a, 60d) including a liquid-to-air heat exchanger (66a, 66d) adapted to receive a warm outflow of coolant from the cooling circuit connected to the drivetrain across a variable flow control valve, the air handling unit (60a, 60d) supplying clean ambient air to the nacelle at a specified relative humidity, wherein the variable flow control valve regulates a flow rate of the coolant through the heat exchanger (66a, 66d), thereby adjusting the temperature of the air entering the nacelle and thereby the amount of preheating of the air entering the nacelle and the relative humidity, characterized in that the system further comprises a wall between the converter and the transformer thereby separating the nacelle into a section that houses the drivetrain, the generator, the hydraulic system, and the converter, and a section housing that houses the transformer, wherein the airflow system is a first airflow system for maintaining the relative humidity of the air inside the section of the nacelle that houses the drivetrain, the generator, the hydraulic system, and the converter, the system further comprising a converter outlet through which air exits the nacelle immediately after it flows over the converter; the system further comprising a second airflow system for maintaining the relative humidity of the section of the nacelle that houses the transformer, the second airflow system comprising: a second air handling unit located below the transformer and including a second liquid-to-air heat exchanger adapted to receive a warm outflow of coolant from the cooling circuit connected to the converter across a further hydraulic control valve, the second air handling unit supplying clean ambient air to the transformer section of the nacelle at a specified relative humidity, wherein the further hydraulic flow control valve regulates a flow rate of the coolant through the second heat exchanger, thereby adjusting the temperature of the air entering the transformer section of the nacelle and thereby the amount of preheating of the air entering the transformer section of the nacelle and the relative humidity. a second air handling unit located below the transformer and including a second liquid-to-air heat exchanger adapted to receive a warm outflow of coolant from the cooling circuit connected to the converter across a further hydraulic control valve, the second air handling unit supplying clean ambient air to the transformer section of the nacelle at a specified relative humidity, wherein the further hydraulic flow control valve regulates a flow rate of the coolant through the second heat exchanger, thereby adjusting the temperature of the air entering the transformer section of the nacelle and thereby the amount of preheating of the air entering the transformer section of the nacelle and the relative humidity.