Designed for group relaxation or generous personal space, the Halmstad 4 is the largest model in the collection. With wraparound seating and a roomy 86″ x 62″ footprint, this traditional sauna blends timeless warmth with innovative features like IntelliAir™ heating, ThermoSafe™ protection, chromotherapy LED lighting, and built-in Bluetooth® sound. Use the Tylö app and Bliss Controls to customize every session. Perfect for indoor installation, the Halmstad 4 creates a luxurious retreat right at home.