12kW Sauna Heaters

What is the appropriate sauna size for a 12kW heater?

A 12kW sauna heater is an industrial-strength unit designed for very large sauna rooms, generally between 500 and 700 cubic feet. To get a precise recommendation based on your room's specific dimensions, materials, and windows, we strongly recommend using our official sauna heater size calculator before making a final decision.

What are the electrical needs for a 12kW heater?

A 12kW unit has significant electrical requirements and is a complex installation. It demands a dedicated 240-volt circuit on a 60-amp breaker, and many models may require a 3-phase power supply, which is common in commercial buildings but less so in homes. A licensed commercial electrician must be consulted to assess your site's power supply and perform the installation.

Is a 12kW heater only for commercial use?

While it is a commercial favorite, a 12kW heater is also installed in very large, custom-built residential sauna cabins. However, for any public or commercial application, we strongly recommend choosing from our dedicated collection of large sauna heaters to ensure you meet all safety certifications and warranty standards for public use.

What accessories are essential for a heater this size?

Safety and functionality are key. A proper heater guard rail is non-negotiable to protect users from the powerful unit. To make the most of the experience, a quality bucket and ladle are essential for creating steam. You can find durable, matching sets in our sauna heater accessories collection to complete your setup.

For an even deeper dive, check out our complete guide to choosing the perfect sauna heater.