Apparatus and method for tempering preforms

Means (7, 8) for tempering preforms (2) in the manufacture of bottles or the like, a temperature control device (1) for selectively and directly controlling the temperature of preforms (2) and the tempering device (1) for introducing into the interior of preforms (2) is formed, characterized in that the tempering device (1) at least partially in a stretching rod of a blow molding device (7) is integrated.