The large stone space provides optimal heat release while also allowing the user to pour water thus creating a true Finnish sauna experience. The efficient thermal management of its design allows it to be wall mounted and for the temperature of the outer casing of the heater to stay comparatively low. Built right in the heart of sauna culture in rural Finland, Harvia electric sauna heaters are designed by the foremost sauna experts and are assembled with high quality materials. The electric sauna heater Harvia Kip 45B and all Harvia Kip series electric sauna heaters are a true marvel of Finnish sauna engineering that are ready to stand the test of time in your sauna.