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HUUM DROP 4.5kW Sauna Heater

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Customer Reviews

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The HUUM DROP sauna heater draws inspiration from nature's purity, resembling a water droplet. Its curved design adds elegance to traditional saunas. Despite its compact size, it holds a large 122-pound rock capacity, offering intense steam experiences.


Winner of the Red Dot Award for design in Europe, the HUUM DROP blends beauty with engineering excellence. Its ample rock capacity allows for more water, creating consistent, gentle heat. With Wi-Fi control, users can preheat the sauna from anywhere. The HUUM DROP is the top choice for those seeking the best sauna heater.


Required control and sauna stones (4 boxes) sold separately.



  • 4.5kW sauna heater
  • Wall-mount bracket
  • Installation and operation manual
  • Limited 5-year warranty (excluding elements)



  • Distinctive water drop design
  • Operates on 240V/1PH
  • Suitable for sauna rooms ranging from 106 to 247 cubic feet
  • Compatible with UKU controls (available separately)
  • 122-pound stone capacity (requires 4 separate boxes, sold separately)
  • Ensures direct contact between stones and heating elements
  • Increased exposure of stones leads to a longer, gentler heat
  • Constructed with stainless steel for durability
  • Features stainless steel, industrial-quality heating elements
  • Wall-mounted structure
  • Designed, engineered, and manufactured in Estonia
  • Dimensions: 15.4" W (390mm) x 13.2" D (335mm) x 23.3" H (590mm)
  • SGS Listed
  • Limited 5-year warranty (excluding elements)



Model DROP 4.5
Kilowatt Rating 4.5 KW
Minimum Cubic Feet 106 CF
Maximum Cubic Feet 247 CF
Heater Weight 24 lbs
Shipping Weight with Sauna Stones 146 lbs
240V, Single Phase Amperage 18.8 Amps
Circuit Breaker Amperage 30 Amps
Wire Size 10 AWG
Width 15.4"W (390mm)
Depth 13.2"D (335mm)
Height 23.3"H (590mm)




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.