Disclosed herein are methods and systems to vaporize extract, plant materialcontaining organic material and the like, including utilizing a cartridgewhich may bedisposable. The cartridge may be heated in zones or portions. The cartridgemay form theinhalation pathway thereby reducing the accumulation of dirt and odor in theheating device.One disclosed vaporizer system has a base with a cartridge interface, a heaterelement, anon/off switch, a battery, a temperature sensor in proximity to the heaterelement a controllerin signal communication with the heater element, battery, temperature sensorand the on/offswitch that mates with a disposable cartridge.
