The ThermaSol Lumaria Indoor Glass Sauna Cabin brings a spa-quality wellness experience into your home. Designed with a floor-to-ceiling panoramic glass facade, premium brushed Tyrol wood paneling, and a powerful Harvia Virta heater, this cabin delivers consistent, enveloping heat in a refined, light-filled space. Available in Medium and Large configurations, it accommodates up to five people and is engineered for straightforward flat-pack assembly.
Why Customers Choose This Product
- Panoramic glass design creates an open, modern aesthetic that fits naturally into any interior
- Harvia Virta heater delivers efficient, consistent heat with rapid warm-up times
- Thermo aspen benches resist moisture and provide long-term durability
- Integrated RGB LED color therapy lighting allows full ambiance control
- Multi-layer wood fiber insulation retains heat effectively for energy-efficient sessions
- Available in two sizes to suit different room dimensions and group sizes
- Flat-pack design simplifies delivery and in-home assembly
Product Highlights
Panoramic Glass Facade
The floor-to-ceiling frameless glass front and flush-mount glass door create a visually open cabin that integrates seamlessly into modern interiors. The solarium-style design maximizes natural light and spatial perception.
Harvia Virta Heater
The included Harvia Virta electric heater is engineered for rapid heat-up and consistent temperature maintenance. It pairs with the cabin's multi-layer wood fiber insulation to deliver efficient, long-lasting sessions.
Premium Wood Interior
Brushed Tyrol wood wall paneling and thermo aspen benches provide a refined, spa-like environment. Thermo aspen is heat-treated for enhanced moisture resistance and dimensional stability over time.
RGB LED Color Therapy Lighting
Recessed RGB LED fixtures allow you to adjust the cabin's lighting to your preference. Color selection is fully customizable to complement your session.
Two Size Options
The Lumaria is available in Medium and Large configurations, each with a choice of left- or right-side door swing. Both sizes comfortably accommodate multiple users.
Specifications
- Brand: ThermaSol
- Model: Lumaria (14-LUMARIA)
- Capacity: Up to 5 persons
- Available Sizes: Medium, Large
- Door Options: 1 Door – Left Side or Right Side swing
- Heater: Harvia Virta electric sauna heater
- Wall Material: Brushed Tyrol wood paneling
- Bench Material: Thermo aspen
- Insulation: Multi-layer wood fiber
- Lighting: Recessed RGB LED color therapy
- Door Style: Frameless flush-mount glass
- Assembly: Flat-pack, in-home assembly required
- Use: Indoor only
- Shipping: Free domestic shipping to the contiguous USA
- Lead Time: Approximately 12–13 weeks from order date
Ideal For
- Homeowners seeking a permanent indoor sauna installation
- Households of 2–5 users who want a shared wellness space
- Spaces where a modern, glass-forward aesthetic is a priority
- Buyers looking for a pre-engineered sauna with a reputable heater included
- Rooms with corner or open-wall placement options
Important Information
- This product requires professional electrical installation. Consult a licensed electrician before use.
- The Harvia Virta heater must be installed in accordance with the manufacturer's specifications and all applicable local electrical codes.
- This cabin is designed for indoor use only. Do not install in outdoor or unconditioned spaces.
- Ensure adequate ventilation in the installation room per the included specification sheet.
- Assembly should be performed by two or more adults. Review the full assembly manual before beginning installation.
- Keep the cabin and heater clear of flammable materials at all times.
- This product ships to the contiguous United States only. It is not available for shipment to Canada or international destinations.
Frequently Asked Questions
What sizes is the ThermaSol Lumaria available in?
The Lumaria is available in two sizes: Medium and Large. Each size is offered with a choice of left-side or right-side door swing, giving you four configuration options in total.
How many people does this sauna accommodate?
The ThermaSol Lumaria is designed to comfortably seat up to five people, depending on the size selected.
What heater is included with this sauna?
The Lumaria includes a Harvia Virta electric sauna heater, which is known for efficient heat-up times and consistent temperature performance.
Does this sauna require professional installation?
Yes. The Harvia Virta heater requires a dedicated electrical connection and must be installed by a licensed electrician in accordance with local codes. The cabin structure itself is flat-packed for in-home assembly.
How long does shipping take?
The ThermaSol Lumaria ships free to the contiguous United States with an estimated lead time of 12–13 weeks from the date of order.
Can this sauna be installed outdoors?
No. The Lumaria is designed for indoor use only and should not be installed in outdoor or unconditioned environments.
What wood materials are used in the cabin?
The interior walls feature brushed Tyrol wood paneling, and the benches are constructed from thermo aspen — a heat-treated wood that offers improved moisture resistance and long-term stability.
The ThermaSol Lumaria is a well-engineered indoor sauna cabin built for households that want a durable, attractive, and functional wellness space. If you are ready to add a permanent sauna to your home, select your size and door configuration above to get started.
This product is intended for general wellness use. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any condition. Consult a qualified healthcare provider before use if you have any health concerns.