Abstract: An electric heating module for heating up air streams, in particular for heating and ventilating seats, which at least one PTC heating element and at least one annular heat dissipation region which is adjacent to said PTC heating element, through which air can flow and which has thermally conductive lamellae which are arranged so as to run in a substantially radial manner and are operatively connected to the PTC heating element and are combined with said PTC heating element to form a module. The lamellae sit, by way of their radially inner portion, in a groove of a thermally conductive retaining ring, which groove is matched to the width of the radially inner portion of the lamellae.

Abstract: An electric heating module for heating air flow, in particular in vehicles, is provided by the invention having at least one PTC heating element 10 and at least one adjacent heat dissipating area 13, through which air can flow, with heat conducting ribs being in an effective contact to the PTC heating element 10 as well as the PTC heating element 10 and the heat conducting ribs 13, combined by a frame 1 to form a module. The invention is characterized in that the heat dissipating area is embodied circular, in particular round.