The ThermaSol Fortis 4-Person Outdoor Sauna Cabin brings a private backyard spa experience to life, designed for up to four adults to enjoy in all seasons. Made-To-Order and crafted in the USA, it pairs contemporary glass architecture with natural wood for a serene, durable wellness retreat.

• Four-Person Capacity: Comfortably accommodates up to four adults for shared heat, steam, and relaxation sessions.
• Premium Exterior Design: 8mm Parsol dark grey glass facade with hidden hinges and aluminum framing; rugged Nordic thermo spruce and pinewood finishes complemented by a modern front-facing facade.
• Energy-Efficient Construction: Multilayer wood fiber insulation plus a heavy-duty Firestone EPDM roof deliver strong thermal performance and year-round efficiency.
• High-Performance Heater: Harvia Virta heater delivers consistent heat and steam, controlled easily via the Harvia Xenio control system.
• Interior Comfort & Ambience: Moisture-resistant thermo aspen benches and brushed thermo spruce walls create a relaxing environment, enhanced by RGB LED color light therapy for customizable mood lighting.
• Ready-to-Use & Made-To-Order: Fully assembled with pre-wired electrical systems, designed and crafted in the USA to your specifications for hassle-free setup.
• Privacy & Weather Protection: Parsol glass provides solar protection and privacy, while the robust exterior is built to withstand all seasons.

Experience a private, year-round wellness retreat in your backyard. The Fortis cabin delivers consistent heat and soothing steam for muscle relief and stress reduction, while energy-efficient construction helps keep operating costs lower. The blend of natural wood with a sleek glass façade creates a calming focal point in outdoor spaces, and features like RGB LED lighting let you tailor the mood to your routine. With full assembly and pre-wired electricals, installation is straightforward, so you can start enjoying your personal sauna sooner.