▶ Product showcase — Cassina SUPD-04
4-Person Finnish Sauna for Home with Fast-Heating Stove
Large 4-person traditional sauna, 1800×1800×2000mm, 6100W traditional sauna stove for fast warm-up and authentic steam. Full-glass front with warm LED cove lighting. Voltage 220-400V customizable — dimensions, wood (Hemlock/Cedar/Spruce), color, logo, box and manual all customizable. OEM/ODM supported.
- ✓ Spacious 4-person interior (1800×1800×2000mm)
- ✓ 6100W traditional stove — fast warm-up, authentic steam
- ✓ Voltage 220-400V customizable for global markets
- ✓ Full-glass front with warm LED cove lighting
- ✓ Sauna stones with bucket & ladle for steam
- ✓ Wood options: Hemlock / Cedar / Spruce, customizable
- ✓ Color / logo / packaging / manual customizable — OEM/ODM
Product Information
Full specifications & trade terms. Customization available.
| SPECIFICATIONS | |
| Dimensions (L×W×H) | 1800 × 1800 × 2000 mm · Customizable |
| Capacity | 4 Persons |
| Power | 6100 W |
| Voltage / Frequency | 220-400V · Customizable |
| Heating | Traditional sauna heater (low maintenance) |
| Wood | Hemlock / Cedar / Spruce (customizable) |
| Control System Certified | UL / FCC / RoHS |
| Standard Features | Warm LED cove light · digital control · sauna stones & bucket · tempered glass door |
| TRADE TERMS | |
| MOQ | 1 Set |
| Availability | Made to order (Customizable) |
| Lead Time | 15-20 days |
| Port | Shanghai / Ningbo |
| Customization | OEM / ODM / private label · size & wood options |
| Warranty | 1-year warranty (negotiable per project) |
Cassina is a source manufacturer of solid wood saunas. We build high-quality far-infrared saunas, traditional, barrel and outdoor models for global buyers — with a wide range of wood options: Canadian Red Cedar, Hemlock, Spruce and more. OEM/ODM supported. Contact us to choose your preferred material and create your custom sauna.
Wood Options
Different woods for different scenes and budgets — all customizable.
Canadian Red Cedar
加拿大红雪松Naturally rot- and insect-resistant — the top choice for outdoor saunas.
Hemlock
铁杉Fine grain, even color — a great balance of quality and value.
Spruce
云杉Lightweight and smooth, an economical and practical choice.
Thermo-Treated Wood
热处理木Heat-treated for extra stability, durability and moisture resistance.
Hinoki
桧木Natural aroma — the premium choice for authentic Japanese-style saunas.
Pine
松木Clear grain, a classic budget-friendly option, readily in stock.
※ Actual wood availability & stock — please confirm via WhatsApp or email.
Design & Craftsmanship
Every detail solves a real problem.
Product Details
From materials to delivery — every angle covered.
From materials to delivery — every angle covered.
Full view — Cassina 4-person traditional sauna with warm lighting and full-glass front
Key features — 6100W traditional stove / full-glass door / warm LED / wooden bench
Real solid wood — Hemlock / Cedar / Spruce, natural grain and fine craft
Specifications — 1800×1800×2000mm · 6100W · 220-400V · OEM/ODM
Perfect for — home / spa / hotel / gym
Built to your specs — OEM/ODM · wood/size/color/logo · 15-day delivery
The SUPD-04: Full-Glass Finnish Steam with Lounge Lighting
The SUPD-04 is the 4-person traditional sauna for spaces where light decides the mood: a full-glass front paired with warm cove lighting — the look belongs in hotel lounges and premium home wellness suites. The 6100W stove with stones delivers the authentic Finnish steam session behind the glass. With a fast-heating stove, this traditional sauna warms up quickly for daily home use.
At 1800×1800×2000mm it seats four with room to move, built to order in Hemlock, Cedar or Spruce with 220–400V supply and project-grade finishing.
Who it’s for
- Hotels and lounges staging a warm, glass-front sauna suite
- Homeowners building a wellness room around a view or open plan
- Glamping and resort operators who photograph well-lit saunas well
How it compares
SUPD-04 vs SUPD-03: The pair shares the full-glass 4-person platform; SUPD-03 carries the starry-sky ceiling (spa/wellness), SUPD-04 the warm cove lighting (lounge/hotel). Sell by ambience, not by spec.
SUPD-04 vs SUPH-02: SUPH-02 is the enclosed 5-person traditional (2150×2000mm, 8000W). Choose SUPD-04 for glass-front openness at 4-person scale, SUPH-02 for enclosed capacity at 5.
Frequently Asked Questions
How does SUPD-04 differ from SUPD-03?
Both are 4-person full-glass traditional units at 1800×1800×2000mm (6000/6100W). The mood lighting differs: SUPD-04 uses warm cove lighting for a lounge feel, SUPD-03 uses a starry-sky LED ceiling for a spa feel.
Voltage?
220–400V, confirmed against your site’s wiring before production.
Is it a steam sauna?
Yes — a traditional stove with stones; water on the stones produces the Finnish steam experience.
Do you ship to project sites?
Yes — export-grade crating with bilingual manuals and DDP options for commercial delivery.
