An aerosol-generating device is provided, including a housing having a chamber configured to receive at least a portion of an aerosol-generating article, the chamber including at least one solid elongate heating element extending into the chamber in a longitudinal direction of the chamber and being configured to penetrate an aerosol-generating article received in the chamber, the heating element having a conical shape and being tapered at a free end thereof; an induction coil disposed around at least a portion of the chamber and having a conical shape; and a power supply and a controller connected to the induction coil and being configured to provide an alternating electric current to the induction coil such that the inductor coil generates a fluctuating magnetic field for heating the heating element disposed in the chamber.