HUUM Steel 10.5kw


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SKU STEEL105-240/1 Category

Elevate your sauna experience with the HUUM STEEL 10.5kW sauna heater. Designed to combine slim aesthetics with powerful functionality, this electric sauna heater is the perfect solution for those with limited space yet desire extensive heating capabilities. Ideal for sauna spaces up to 600 cubic feet (CF), the STEEL 10.5 offers remarkably small safety distances and an efficient heating system that promises a superior sauna session.

Designed, engineered, and made in Estonia, the HUUM STEEL 10.5 kW sauna heater exemplifies the perfect blend of form and function. Its compact yet powerful design is an ideal choice for sauna enthusiasts who require efficient heating in a space-conscious form. Whether upgrading your sauna or installing a new one, the STEEL 10.5 promises an unmatched level of sophistication and warmth.



  • Slim Design: Tailored for saunas with limited space, its sleek profile allows for more flexible installation options.
  • Reduced Safety Distances: Engineered to minimize safety distances to just 2″ for smaller models and 4″ for larger models, optimizing space usage.
  • Rapid Heating: Features an internal air duct that accelerates heating by up to 25%, ensuring your sauna reaches the desired temperature quickly.
  • Large Stone Capacity: Can hold up to 331 pounds of sauna stones, providing consistent, mild heat and ample steam.
  • Durable Construction: Built with stainless steel and featuring industrial-quality heating elements for long-lasting use and consistent performance.
  • Compatibility: Works seamlessly with UKU controls and the UKU extension box (both sold separately), offering versatile control options.



  • Power Rating: 10.5 kW, capable of heating sauna rooms from 353 CF to 600 CF efficiently.
  • Dimensions: With a footprint of 12.6″ W x 12.6″ D x 38.4″ H, it fits neatly into a variety of sauna layouts.
  • Weight: The heater weighs 35 lbs, with the total shipping weight including sauna stones at 366 lbs.
  • Construction: Features robust stainless steel construction, ensuring both aesthetic appeal and durability.
Note: A separate control unit and sauna stones (10 boxes) are necessary for operation and are sold separately. 

Resources:      HUUM Steel IOM           HUUM Steel Spec Diagram          HUUM Certificate of Compliance          HUUM Elements Required          HUUM Heater Warranty         HUUM Stone Requirements          Sizing Your HUUM 2023


FREE SHIPPING! – Curbside Delivery included in price

Options & Features

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    Sauna Stones - Click Here for More Info

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    Optional Upgrade - Click Here for More Info

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