Saunum AIR L 15 Sauna Heater Air Series, 15.2kW Sauna Heater w/Climate Equalizer, AirIQ Wi-Fi Controller and Stones(Discount Is Automatically Applied At Checkout) Saunum Air 15 L is a unique heater with a sauna climate regulating system that is ideal for creating an extraordinary sauna session in a more intensively used sauna. The large stone volume of the Saunum Air 15 L and the patented air blending system ensure exceptional steam that is soft and long, and evenly distributed throughout the sauna. Revolutionary Air Mixing Technology No more cold feet! No other