7990 with log storage

All the 7900 stoves can be fitted with extra heat storage in the top. You can choose between a low top that can accommodate 30 kg of heat-storing stones and a high top that has room for up to an entire 95 kg of heat-storing stones.

It means that the stove can give off heat for many hours after it was last lit. The fire's output can thus be exploited by accumulating the resource-saving heat produced in the combustion chamber in the heat-storing stones in the top. The top module can also be purchased on its own to make a higher stove - up to 182 cm, so you are reminded somewhat of the old French heating stoves.