The elegantly curved shape of the Harvia 9kW Spirit SP90E Sauna Heater has a natural, organic design which is accentuated by the round sauna stones. This premium-quality electric sauna heater has a modern, elegant look and heats quickly to your desired temperature. The Spirit SP90E is compatible with the Xenio Wall-Mounted Control and Xenio Wi-Fi Package. Stylish and high-quality heater Heats up the sauna quickly and safely Integrated safety functions ensure safe use Compatible with the Xenio Controls Designed, engineered, and made in Finland For sauna rooms from 177 to 494 cu. ft.