an inventive cooling device for the air conditioning of an examination area of a medical examination device includes a temperature detection device for detecting a temperature in the examination area , an air conditioning device for producing air - conditioned air , an air discharge device arranged within the examination area , an opening directed toward the examination area to let out air - conditioned air and an air duct to transport air - conditioned air to the opening in the air discharge device and a control unit connected to the temperature detection device and the air - conditioning device to control the air - conditioning device based on data detected by the temperature detection device . the cooling device automatically determines and regulates a temperature in the examination area with fresh , air - conditioned air which has a positive influence on the well - being of the patient in the examination area .