Upgrade your sauna experience with the Premium Commercial Electric Sauna Heater — a powerful, reliable, and elegantly designed electric sauna heater engineered for both residential and commercial use. Whether you’re outfitting a luxury home sauna, boutique spa, wellness center, or gym facility, this premium heater delivers strong performance, fast heat-up times, and superior steam (löyly) production.

Designed with quality materials and professional functionality in mind, this tower heater provides even heat distribution and comes in a sophisticated Black/Wood finish that enhances any sauna interior.

• Powerful heating for larger rooms
• Elegant Black/Wood aesthetic design
• Sturdy stainless steel construction
• Efficient stone tray layout for enhanced steam
• TÜV safety certified
• Designed for commercial and premium residential use
• Fast heat-up performance
• Available in multiple power options

Please ensure electrical work is completed by a licensed electrician.

Installation

• Professional electrical installation required
• Heater must be hardwired to a dedicated circuit by a licensed electrician
• Sisu Sauna provides installation guidance but does not install standalone heaters
• Dedicated electrical circuit required (30–40A depending on heater size)
• Heat-resistant wiring rated for sauna conditions
• Minimum clearances from walls and ceiling as per the manual

Delivery

• Free delivery throughout Thailand
• Standard delivery timeframe is 1–3 weeks from order confirmation
• Heater and stones ship in separate boxes (2 boxes total)

Pouring Water on Your Heater

• Pour water slowly onto the stones using a ladle — avoid excessive water in one pour. Read our guide on how to pour water on sauna rocks without destroying your heater →

Replacement Heater Elements

• Heating elements typically need replacement every few years depending on usage. Replacement elements available from Sisu Sauna.

Q: What size heater should I choose?

Calculate your sauna’s internal volume (length × width × height in metres). Then choose the heater size from the table above. Add ~20% for outdoor rooms or sauna rooms with large windows.

Q: Are the stones included?

Stones are not included — this allows you to choose the preferred quantity and quality for your usage.

Q: Can this be used in a commercial facility?

Yes. This heater is ideal for commercial environments like spas, gyms, and wellness studios, with power options up to 24 kW.

Q: Do I need a professional electrician for installation?

Yes. Professional electrical installation is required to ensure safety and code compliance.

Q: How long does the sauna take to heat up?

Most rooms will reach 80–90°C within 30–45 minutes depending on insulation and room size.

Q: What warranty is included?

Includes a 1-year manufacturer’s warranty covering defects in materials and workmanship.