The ThermaSol Lumaria Indoor Sauna Cabin – Large is crafted to deliver a refined, shared sauna experience within modern interior spaces. Designed for 4–5 bathers, this indoor sauna combines a generous footprint with a panoramic glass front that enhances openness while maintaining a sleek architectural presence. The interior features brushed Tyrol wood wall panels paired with thermally modified aspen benches, chosen for their stability, comfort, and resistance to heat and moisture. Integrated RGB LED color therapy lighting allows you to tailor the atmosphere for relaxation or rejuvenation, while multi-layer wall construction with wood fiber insulation supports consistent heat retention. Powered by a 9kW Harvia Virta heater with CX45 Wi-Fi connectivity, the cabin provides fast, even heating and reliable performance. With flexible left or right assembly options and flat-pack delivery, this sauna is well suited for luxury homes, fitness rooms, and boutique wellness environments.