In the method for controlling the temperature of an intermittently standing and flowing fluid which is at rest during standstill intervals and is flowing during flow intervals, a desired temperature for the fluid is predetermined and the actual temperature of the fluid is measured. The fluid is heated and/or cooled by a tempering device, depending on whether the actual temperature is higher or lower than the desired temperature. The tempering device is controlled by a control unit with at least one variable and self-adjusting control parameter. In the method, it is detected whether the fluid is presently at a standstill or in flow. The value of the control parameter of the control unit valid at the end of a flow interval is stored and at the beginning of the next flow interval is set as the current control parameter in the control unit.
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