Ethos
A compact indoor sauna designed for daily ritual — with warm thermo-alder, soft ambient light, and HUUM stone heat.




Ethos
A compact indoor sauna crafted for daily heat therapy — warm thermo-alder, soft ambient light, and traditional stone heat in one beautifully contained room. Designed for residential and commercial wellness spaces, with a full glass front, integrated lighting, and WiFi-enabled HUUM control.
Specifications
Indoor sauna
Thermo-alder
HUUM heater
WiFi control
1-3 Person
Full glass front
Integrated lighting
UV sanitation


Craftsmanship
Built for performance
- Premium Intense Alder wood — naturally resistant to heat and moisture
- Integrated LED ambient lighting with warm glow
- Full tempered glass door for a modern, open feel
- Traditional Finnish stone heater for authentic steam
- Compact footprint — fits in home gyms and wellness spaces
- Arrives flat-packed for easy setup in your space



residential & commercial
Personal wellness. Pro performance.
ethos at home
Home wellness retreat.
Flat-pack delivery and simple assembly, no construction crew, no remodel, no compromise on placement. The sauna lives where the rest of the home lives — home gym, primary suite, beside the cold plunge.

ethos for business
Commercial-grade.
Gyms, recovery studios, and hotel spas. Built with a HUUM heater and durable thermo-alder construction — no service room, no constant maintenance, no unplanned downtime between clients.

Symmetry Ethos sauna specs
Standard setup
Paneling
STS4 horizontal square notch profile, 15 x 90mm
Base frame
Aluminum
Exterior
Glass front wall, wood-paneled side walls, back wall covered with plywood
Interior
Wall and ceiling panels, benches in intense thermally modified alder
Door
Glass door with premium handles
Lighting
LED strips under bench, behind backrest, and on the ceiling at the back wall
Equipment
Heater
HUUM Drop
Control unit
HUUM UKU WiFi
Dimensions
Size (W x D x H)
4'11" x 4'11" x 6'9"
Door orientation
Right hand opening
Recommended
2 users
Key features and extras
Compact size
The Symmetry Ethos is suitable for 1–2 users and easily fits into smaller spaces.
Easy installation
Installation is simple and typically takes around 4–6 hours with two people. A licensed electrician is required to make heater connections.
Lighting effects
Comes standard with a premium LED package. Linear lights under the bench, behind the backrest, and in the cove at the top of the back wall bring elegant illumination to the sauna room.
Thermally modified wood
Thermal modification gives the premium-quality alder wood an attractive darker color and a cozy feel.
Waxed surfaces
All wooden elements are pretreated with a protective sauna wax.
Materials

Intense Thermo-alder

Tempered 8mm glass, clear
Behind the sauna
As featured on the Jocko Podcast
Symmetry's founders joined Jocko Willink on the podcast to talk about building premium saunas, the discipline of recovery, and why heat therapy is essential for peak performance.

want a custom sauna?
Explore our custom saunas
Symmetry designs custom saunas and cold plunge environments together, creating a complete contrast therapy experience shaped around your space. From materials and proportions to lighting, placement, and flow, each element can be designed to feel cohesive, intentional, and built into the architecture.
