HUUM STEEL Mini Series 3.5kW Sauna Heater
HUUM STEEL Mini Series 3.5kW Sauna Heater

HUUM STEEL Mini Series 3.5kW Sauna Heater

Sale price$1,230.00
SKU: H10072001

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The compact STEEL Mini 3.5 kW sauna heater, with exceptionally short safety distances, is a wall-mounted model that is especially suited for modest sauna rooms. The STEEL Mini 3.5kW sauna heater is designed for sauna spaces up to 212 cubic feet (CF).

Required Control and sauna stones (4 boxes) sold separately


  • Slender design

  • Suitable for use in small saunas with limited space

  • Small safety distances

  • Heats up to 25% faster due to internal air duct

  • For sauna rooms from 123 to 212 cu. ft.

  • Works with UKU controls (sold separately)

  • 133 pound stone capacity (required 4 boxes sold separately)

  • Direct contact between stones and heating elements

  • More exposed stones creates a longer and milder heat

  • Stainless steel construction

  • Stainless steel, industrial quality heating elements​

  • Wall-mount model

  • Designed, engineered, and made in Estonia

  • Dimensions: 12.6" W (320mm) x 6" D (150mm) x 38.4" H (975mm)

  • Limited 5-year warranty (excluding elements)


  • 3.5kW sauna heater

  • Wall fastening bracket

  • Installation and operation manual

  • 5-Year limited warranty (excluding elements)



STEEL Mini 3.5

Kilowatt Rating

3.5 KW

Minimum Cubic Feet

123 CF

Maximum Cubic Feet

212 CF

Heater Weight

32 lbs

Shipping Weight with Sauna Stones

165 lbs

240V, Single Phase Amperage



12.6" W (320mm)


6" D (150mm)


38.4" H (975mm)