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HUUM HIVE 18.0kW Sauna Heater

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Customer Reviews

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The refined HIVE 18kW electric sauna heater is the perfect choice for larger saunas found in health clubs and gyms. This floor-mounted heater accommodates an impressive 552 lbs of stones (463 lbs with HIVE Air Tunnel) for unparalleled performance. Suitable for both commercial and residential use, this contemporary sauna heater is designed for spaces up to 1,236 cubic feet (CF). Crafted with precision engineering and hand-crafted in Estonia, it offers an authentic European sauna experience.


Required control, extension box, and sauna stones (17 boxes) sold separately.



  • 18.0kW Sauna heater
  • Adjustable legs
  • Installation and operation manual
  • Limited 5-year warranty (excluding elements)



  • Refined design suitable for commercial settings
  • Operates at 240V/1PH
  • Intended for sauna rooms ranging from 636 to 1236 cu. ft.
  • Compatible with UKU controls and UKU extension box (both sold separately)
  • Accommodates up to 552 pounds of stones (requires 17 boxes, sold separately) or 463 lbs with HIVE air tunnel
  • Direct contact between stones and heating elements for optimal heat distribution
  • Stainless steel construction ensures durability
  • Industrial-quality heating elements made of stainless steel
  • Floor model with adjustable legs for versatile installation
  • Designed, engineered, and manufactured in Estonia
  • Dimensions: 22" Diameter x 29.5" H (560mm x 750mm)
  • SGS Listed for safety
  • Limited 5-year warranty (excluding elements)



Model HIVE 18
Kilowatt Rating 18KW
Minimum Cubic Feet 636 CF
Maximum Cubic Feet 1236 CF
Heater Weight 48.5 lbs
Shipping Weight with Sauna Stones 600.5 lbs
240V, Single Phase Amperage 75 Amps
Circuit Breaker 50 + 50
Wire Size AWG 8 + 8
Diameter 22" (560mm)
Height 29.5" (750mm)


Buyer is obligated to read user manual and follow instructions and requirements presented. Damage to the product caused by not following instructions and requirements will void warranty


If any defects are found on the product, where manufacturer can be blamed, then buyer has the right to demand fixing or replacing the product. Demands must be made not later than 5 years after buying the product. Purchase receipt needs to be presented when warranty demands are made.


Warranty Terms:

  • Warranty applies only to electric heaters that have been used according to the manual.
  • NB! Warranty does not cover heating elements. They are considered as consumable parts.
  • Warranty does not cover wear that occurs from natural usage.
  • Warranty does not cover defects or wear caused by planned use.
  • Warranty does not imply when:
    • Damage or defects are caused by transportation or other actions not controlled by the manufacturer.
    • The product has been damaged by carelessness or overload.
    • The product has not been installed correctly.
    • The product has been modified in any way.
    • The warranty period is over.
    • The product is not complete.


Return Policy

If you are unsatisfied with the components within your purchase and they are not considered a “special order”, you may return the item(s) in original re-salable condition, in the original unopened packaging for a refund within 30 days of the original purchase date.If you receive an order that is damaged, defective, or incomplete, please don't hesitate to get in touch with us using the following contact information:


Items must be returned within 30 days of delivery to be eligible for a refund. Please note that returns received without a return authorization number will not be refunded.