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The ThermaSol Fortis Sauna Cabin combines modern strength and style, providing year-round comfort for 3–4 people in a sleek, enclosed outdoor space. With a dark grey glass front and a minimalist eave-style roofline, Fortis fits seamlessly into any outdoor setting. Inside, the thermally modified aspen benches and brushed wood walls create a warm, inviting atmosphere, enhanced by customizable RGB LED color therapy lighting for the perfect ambiance. Designed for efficiency, the multi-layer insulation ensures optimal heat retention, while the durable roof withstands any climate. A 9kW Virta heater with optional Wi-Fi provides consistent, reliable warmth, making it the ideal sauna for relaxation and wellness. The sauna arrives fully assembled for easy, hassle-free setup, ready to provide a luxurious, modern retreat right in your backyard.

  • RGB LED color light therapy with remote control – Easily adjust the lighting to create the perfect ambiance for relaxation or rejuvenation, enhancing your sauna experience with customizable colors at the touch of a button.
  • Multi-layer wood fiber insulation – Designed for superior heat retention, this insulation ensures energy efficiency by keeping the sauna warm and comfortable while reducing overall energy consumption.
  • Durable weatherproof roof – Built to withstand the elements, the roof is weather-resistant and designed for long-term outdoor use, ensuring the sauna remains reliable and functional throughout the year.
  • Aluminum-framed glass door with hidden hinges – The modern, sleek design of the aluminum-framed door enhances the sauna’s aesthetics while offering a discreet, functional entry point that blends seamlessly with the overall design.
  • Thermally modified aspen benches and brushed wood walls – These natural materials not only create a warm and inviting interior but also provide durability and longevity, ensuring a luxurious experience for years to come.
  • Dark grey Parsol glass front – The dark grey glass provides privacy and elegance while allowing natural light to filter in, creating a serene and private outdoor sanctuary with a sophisticated look.
  • Powerful 9kW Virta heater with Wi-Fi capability – Enjoy consistent, reliable heating with the added convenience of Wi-Fi control, allowing you to adjust the sauna’s temperature remotely for a tailored, comfortable experience.
  • Pre-assembled delivery via flatbed – The sauna arrives fully assembled, making the installation process quick and easy, so you can start enjoying your outdoor retreat without delay.
  • MPN: Not specified
  • Compatibility: Residential outdoor saunas
  • Part Type: Outdoor Sauna Cabin
  • What’s Included: Sauna cabin, 9kW Virta heater with Wi-Fi option
  • Capacity: 3–4 people
  • Exterior Dimensions: 90" L × 87" W × 89" H
  • Exterior Material: Thermally modified and brushed Nordic spruce/Pinewood
  • Interior Material: Thermally modified aspen
  • Glass Type: 8mm Parsol Dark Grey Glass (PSDG)
  • Heater Included: 9kW Virta heater with Wi-Fi option
  • Lighting: RGB LED color therapy with remote control
  • Roof Type: Durable, weather-resistant roof
  • Door: Aluminum frame with hidden hinges
  • Assembly: Ships fully assembled
  • Shipping Type: Flatbed (advance notice provided for forklift preparation)
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ThermaSol Fortis Sauna Cabin

SKU: THS-FORTIS
Regular price $52,312.00 $36,619.00 30% off
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✓ FREE Shipping: This product is offered with our free curbside delivery to the lower 48 states, however certain locations may incur a shipping surcharge. Feel free to contact us for the specifics of your area.

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The ThermaSol Fortis Sauna Cabin combines modern strength and style, providing year-round comfort for 3–4 people in a sleek, enclosed outdoor space. With a dark grey glass front and a minimalist eave-style roofline, Fortis fits seamlessly into any outdoor setting. Inside, the thermally modified aspen benches and brushed wood walls create a warm, inviting atmosphere, enhanced by customizable RGB LED color therapy lighting for the perfect ambiance. Designed for efficiency, the multi-layer insulation ensures optimal heat retention, while the durable roof withstands any climate. A 9kW Virta heater with optional Wi-Fi provides consistent, reliable warmth, making it the ideal sauna for relaxation and wellness. The sauna arrives fully assembled for easy, hassle-free setup, ready to provide a luxurious, modern retreat right in your backyard.

  • RGB LED color light therapy with remote control – Easily adjust the lighting to create the perfect ambiance for relaxation or rejuvenation, enhancing your sauna experience with customizable colors at the touch of a button.
  • Multi-layer wood fiber insulation – Designed for superior heat retention, this insulation ensures energy efficiency by keeping the sauna warm and comfortable while reducing overall energy consumption.
  • Durable weatherproof roof – Built to withstand the elements, the roof is weather-resistant and designed for long-term outdoor use, ensuring the sauna remains reliable and functional throughout the year.
  • Aluminum-framed glass door with hidden hinges – The modern, sleek design of the aluminum-framed door enhances the sauna’s aesthetics while offering a discreet, functional entry point that blends seamlessly with the overall design.
  • Thermally modified aspen benches and brushed wood walls – These natural materials not only create a warm and inviting interior but also provide durability and longevity, ensuring a luxurious experience for years to come.
  • Dark grey Parsol glass front – The dark grey glass provides privacy and elegance while allowing natural light to filter in, creating a serene and private outdoor sanctuary with a sophisticated look.
  • Powerful 9kW Virta heater with Wi-Fi capability – Enjoy consistent, reliable heating with the added convenience of Wi-Fi control, allowing you to adjust the sauna’s temperature remotely for a tailored, comfortable experience.
  • Pre-assembled delivery via flatbed – The sauna arrives fully assembled, making the installation process quick and easy, so you can start enjoying your outdoor retreat without delay.
  • MPN: Not specified
  • Compatibility: Residential outdoor saunas
  • Part Type: Outdoor Sauna Cabin
  • What’s Included: Sauna cabin, 9kW Virta heater with Wi-Fi option
  • Capacity: 3–4 people
  • Exterior Dimensions: 90" L × 87" W × 89" H
  • Exterior Material: Thermally modified and brushed Nordic spruce/Pinewood
  • Interior Material: Thermally modified aspen
  • Glass Type: 8mm Parsol Dark Grey Glass (PSDG)
  • Heater Included: 9kW Virta heater with Wi-Fi option
  • Lighting: RGB LED color therapy with remote control
  • Roof Type: Durable, weather-resistant roof
  • Door: Aluminum frame with hidden hinges
  • Assembly: Ships fully assembled
  • Shipping Type: Flatbed (advance notice provided for forklift preparation)