The Harvia KIP 8kW Sauna Heaterhas a dual wall construction that allows the exterior to remain cool to the touch and heats up fast. This traditional black heater isengineered for home saunasfrom 250 to 425 cubic feet (CF). The Harvia KIP 8kW Sauna Heaterhas a dual wall construction that allows the exterior to remain cool to the touch and heats up fast. This traditional black heater isengineered for home saunasfrom 250 to 425 cubic feet (CF). Designed and crafted in Finland, the KIP80W generates an intense, satisfying heat. The unit includes a black steel exterior, industrial-strength heating elements, and several other innovative features. Harvia KIP Sauna Heaters are engineered for years of reliable use and worry-free sauna enjoyment. The KIP80W sauna unit's outer casing provides long-lasting strength beauty and durability. Bathers choose Harvia KIP Sauna Heaters for reliability, quality, and affordability. This sauna heater is made in Finland and is perfect for any home sauna kit.