Cabin Heater Type
is a continuous fire stove, instead of stored heat, is a relatively recent invention. There is a firebox and a smokestack, and stones are placed in a compartment directly above the firebox. It takes shorter time to heat than the heat storage-sauna, about one hour. A fire-heated sauna requires manual labor in the form of maintaining the fire during bathing; the fire can also be seen as a hazard.