The invention relates to a heating device (2 200) for a smoke free cigarette said device substantially consisting of a liquid container (21 24 28 130 220) and / or a reaction element (22 23 25 210 230) separated from one another by a destructible seal (26 64 65 212 223) and filled with substances the mixing of which triggers an exothermic reaction. The invention also relates to the use of a heating device (2 200) in a smoke free cigarette and to a smoke free cigarette comprising a heating device (2 200).
