A vaporizer apparatus for vaporizing medical herbs and essences is described that uses an electrical power driven medium to vaporize the herbs and essences. The vaporizer apparatus has a heating element assembly disposed within a shield. The shield is disposed within an opening of an enclosure. The shield protrudes from the opening at an angle and has a mating section for mating with a hand piece. The hand piece includes a vaporization chamber where herbs are packed, an inlet for connecting with the mating section of the shield, and an outlet for inhalation by a user. Methods for using the vaporizer apparatus is also discussed.