WellNest ThermaSol Fortis™ | 4-Person Fully-Assembled Outdoor Sauna Cabin [Made-To-Order]

WellNest ThermaSol Fortis™ 4-Person Outdoor Sauna Cabin

Financing Available • Complimentary U.S. Shipping

Bold Design. Powerful Outdoor Performance.

Transform your backyard into a refined wellness destination with the ThermaSol Fortis™ Sauna Cabin—a striking outdoor retreat designed to deliver deep relaxation, energy efficiency, and year-round performance.

Blending modern architecture with natural Nordic materials, Fortis™ creates a visually stunning presence while offering a fully immersive sauna experience. Its sleek profile, tinted glass façade, and warm wood interior come together to form a space that feels both elevated and deeply restorative.

Why You’ll Love It

• Create a private outdoor sanctuary for daily wellness
• Enjoy powerful heat and steam with energy-efficient performance
• Elevate your space with a modern architectural statement
• Relax comfortably in a spacious 4-person cabin

Designed for Performance & Comfort

Parsol Dark Grey Glass Façade
8mm tinted glass provides solar protection, privacy, and a sleek modern aesthetic.

Thermo-Spruce & Pinewood Exterior
Durable Nordic wood construction designed to withstand outdoor conditions while maintaining natural beauty.

Harvia Virta Heater + Xenio Control System
Delivers consistent, high-performance heat and steam with precise digital control.

Thermo-Aspen Interior Seating
Moisture-resistant benches offer lasting comfort and structural stability.

Multi-Layer Wood Fiber Insulation
Maximizes heat retention and energy efficiency for all-season use.

Firestone EPDM Roof System
Provides long-term durability and protection against the elements.

RGB Chromotherapy Lighting
Customize your environment with color-enhanced lighting for a more immersive experience.

Specifications

• Capacity: Up to 4 Persons
• Material (Exterior): Thermo-Spruce & Pinewood + Tinted Glass
• Material (Interior): Thermo-Spruce Walls + Thermo-Aspen Benches
• Glass: 8mm Parsol Dark Grey Tinted
• Heating System: Harvia Virta Heater
• Controls: Harvia Xenio Digital System
• Lighting: RGB LED Chromotherapy
• Build Type: Fully Assembled, Pre-Wired
• Use: Outdoor
• Origin: Designed & Crafted in the USA

Delivery & Installation

Designed for a true turnkey outdoor wellness experience.

What to Expect

• Delivered fully assembled from the manufacturer
• Comes with pre-wired electrical components
• Shipped via freight carrier with curbside delivery
• Designed for minimal setup before use

Important Delivery Notes

• Complimentary U.S. shipping included
• Estimated delivery timeframe: 12–13 weeks
• A recipient must be present to receive and inspect the shipment
• Delivery is made to your curb or driveway
• Due to size, advance placement planning is recommended

Installation Requirements

While the unit arrives fully assembled, the following are required prior to use:

• A stable, level outdoor foundation
• Final positioning of the unit on-site
• Electrical connection by a licensed electrician

White-Glove Delivery

White-glove delivery is not available at this time.
Many customers choose to arrange professional placement or installation assistance locally.

Care & Maintenance

• Routine: Clean glass and interior surfaces regularly
• Seasonal: Inspect wood exterior and roofing system
• Annually: Maintain wood finish and check electrical components

Frequently Asked Questions

Does this sauna require assembly?
No—this unit is delivered fully assembled and pre-wired.

Is it suitable for outdoor use year-round?
Yes—built with weather-resistant materials and insulation for all-season performance.

Is it ready to use immediately?
It requires proper placement and electrical connection by a licensed electrician before use.

A Statement in Outdoor Wellness

The Fortis™ is more than a sauna—it’s a design-forward sanctuary built for relaxation, performance, and elevated living.

Ready to Elevate Your Wellness?

Add to cart or schedule your
Complimentary Wellness Consultation.

Note: This product is intended for general wellness purposes only. It is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider before starting any new health device or therapy.

MANUALS

Specs Sheet