IKI 10 kW heater guarantees ample heat for spacious sauna rooms. The heater is ready to offer a wholesome bathing experience in about an hour of heating. The fast heating time is possible due to free air flow through the heater's stainless steel mesh frame and the large contact area between the stones and the resistors. Because of the massive amount of stones this heater is suitable for both home use and professional use in hotels, spas etc.