Efficient heating within a receiver of a consumable cartridge containing tobacco (or other plant material) without combustion is disclosed. A disposable consumable cartridge having one or more frangible sections is configured to deform said sections upon insertion into a case with a heating chamber or receiver. The receiver is generally hollow and configured to be in thermal communication with at least one heating element whereby heat is transferred to the interior of the receiver whereby at least one of air in a receiver and material within a consumable is heated.