SA-CA-030 Reference Configuration Cube

Luxury Cube Sauna Suite

A high-specification cube suite: a dual-ready hot room, an integrated changing room and a covered deck with a shower, wrapped in a charred thermowood skin. The cube form scaled up into a complete wellness building.

  • Capacity5–6
  • HeatingElectric or wood-burning
  • Heater class9–12 kW (electric)
  • ClimateCold, High Snow Load
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Long charred-timber cube sauna suite with deck and shower in a backyard
Reference image illustrating the general sauna type and visual direction. Photo: Tiago Fioreze · CC BY-SA 3.0 · source

Recommended use

Owners wanting a design-led, fully appointed cube suite rather than a single hot room.

Best suited for: Design-led owners wanting a full suite · Groups of five to six · Professional installations

Specification overview

Sauna typeCube
StyleLuxury
SettingBackyard
Capacity5–6 people (5–6 people)
Approx. footprint14 × 8 ft (~112 sq ft)
Approx. internal volume410 ft³ (~11.61 m³)
Ceiling-height range7.2–7.6 ft
Glazing levelGenerous
Insulation classHigh Performance
Foundation optionsConcrete Slab, Concrete Piers
Roof typeFlat
Heating optionsElectric or wood-burning
Approx. heater class9–12 kW (electric)
Stone-capacity preferenceHigh
Ventilation principleHigh-capacity balanced ventilation with independent hot-room control across zones
Build difficultyProfessional
Maintenance levelModerate

All values are approximate reference ranges for planning and comparison.

Design characteristics

  • Extended cube massing housing a hot room, changing room and covered deck
  • Charred thermowood skin with a generous glazed hot-room wall
  • Outdoor shower on the deck for the cooling cycle
  • Dual-ready services for either electric or wood heat

Construction notes

  • Slab or pier base carrying a longer, multi-zone cube
  • High-performance hot-room envelope with a tempered changing room
  • Warm flat roof with tapered insulation and membrane across the length
  • Provisions for both an electrical circuit and a chimney path

Heating profile

  • Drawn to accept a 9–12 kW electric heater or an equivalent wood stove
  • High stone capacity sustains steam for the generous glazed room
  • Generous glazing and volume push heating to the upper class
  • Independent hot-room ventilation across the suite

Final heater selection must follow the heater manufacturer's sizing instructions, safety clearances and local electrical or fire-code requirements.

Advantages

  • A complete, design-led wellness building
  • Dual-ready heating keeps the fuel choice open
  • Changing room, shower and deck complete the ritual
  • High-performance envelope for four-season use

Limitations

  • Professional build with the highest cube cost
  • Highest heater demand among the cubes
  • Dual-ready provisions add complexity
  • Multiple wet zones raise drainage demands

Common planning mistakes

  • Committing to dual-ready without space for both services
  • Over-glazing without upsizing heater and ventilation
  • Treating the changing room as unconditioned
  • Under-coordinating drainage across the wet zones

The cube scaled into a full suite — dual-ready, multi-zone and design-led. Compare with the sauna house to see two takes on a complete wellness building. Figures are reference ranges for planning.

Frequently asked questions

Can the Luxury Cube Sauna Suite use wood heat?

Yes — it is dual-ready, drawn to accept either a 9–12 kW electric heater or an equivalent wood stove.

What is included besides the hot room?

An integrated changing room and a covered deck with an outdoor shower.

How many people does it seat?

Five to six in the hot room.

Is it a professional build?

Yes — the multi-zone plan, flat roof, glazing and dual services require professional work.

What is the exterior finish?

A charred thermowood skin, durable and contemporary, with periodic re-coating.

This catalogue profile is intended for preliminary planning and comparison. Final dimensions, structural design, heater selection, electrical work and safety clearances must be confirmed by qualified professionals and the relevant manufacturer documentation.

Added to the catalogue on . Catalogue Editorial Team at Outdoor Sauna Index.

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