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The HUUM HIVE 18 is a high-capacity 18.0kW floor-mounted sauna heater designed for very large commercial and premium residential saunas. With a massive 528 lb stone capacity and European-crafted quality, it delivers smooth, consistent heat and abundant steam for a superior, professional sauna experience.


 

Note: Not sure which method applies to your sauna? We’re happy to help. Send us (support@homespadirect.com)  your sauna dimensions and materials, and we’ll confirm the right heater size for you.

 

 

Model

HIVE 18

Kilowatt Rating

18.0kW

Minimum Cubic Feet

636

Maximum Cubic Feet

989

Heater Weight

53.5 lbs

Shipping Weight with Sauna Stones

581.5 lbs

240V, Single-Phase Amperage

75

Circuit Breaker

See Installation and Operation Manual

Wire Size AWG

6 + 6

Diameter

22" (560mm)

Height

29.5" (750mm)

 

 

    • Elegant design
    • Suitable for commercial use
    • 240V/1PH operation
    • Works with UKU controls (sold separately)
    • Works with UKU extension box (sold separately)
    • Large 528 pound stone capacity (required 16 boxes sold separately)
    • Direct contact between stones and heating elements
    • More exposed stones create a longer and milder heat
    • Stainless steel construction
    • Stainless steel, industrial-quality heating elements
    • Floor model with adjustable legs
    • Air tunnel shortens heat-up time and increases life of heating elements
    • SGS listed
    • Designed, engineered, and made in Estonia
    • Dimensions: 22"Diameter (560mm) x 29.5"H (750mm)
    • Limited 3-year residential warranty and limited 1-year commercial warranty (excluding elements)

     

     

    Includes:

     

     

        • 18.0kW Sauna Heater
        • Adjustable Legs
        • Pre-Installed HIVE Air Tunnel
        • Installation and Operation Manual
        • 3-Year Limited Residential Warranty and 1-Year Limited Commercial Warranty (Excluding Elements)

         

         

         

        Diameter

        22" (560mm)

        Height

        29.5" (750mm)

         



        Built for expansive, high-performance sauna environments, the HUUM HIVE 18 delivers exceptional power with refined, modern elegance. This floor-mounted 18.0kW electric sauna heater is designed for large saunas commonly found in health clubs, spas, gyms, and premium residential installations, supporting sauna rooms from 636 to 989 cubic feet.

         

         

        The HIVE 18 features a substantial 528-pound stone capacity, enabling outstanding heat retention and efficiency even during extended or continuous use. This large stone mass produces a soft, stable, high heat and allows for generous water ladling, creating rich steam and a deeply immersive, traditional sauna experience ideal for high-traffic or professional settings.

         

         

        With its open stone basket design, the HIVE 18 not only enhances airflow and even heat distribution but also serves as a visually striking centerpiece within the sauna. Its clean, sculptural form complements modern sauna interiors while supporting optimal performance.

         

         

        Precision-engineered and crafted in Estonia, HUUM HIVE heaters embody European sauna heritage and meticulous manufacturing standards. The HUUM HIVE 18 is a powerful, professional-grade heating solution for large saunas that demand reliability, efficiency, and elevated design.

         

        FAQs

        Do you ship internationally?

        No. We currently ship to addresses within the United States only.

        How much does shipping cost?

        Shipping is free on all orders. There are no hidden fees or surprise charges at checkout.

        How long will it take to receive my order?

        Orders are processed within 1–2 business days (Monday–Friday). Transit time is typically 5–7 business days, for a total estimated delivery time of 6–9 business days.

        How do I track my order?

        Once your order ships, you’ll receive an email with a tracking link. You can also track your order here:
        Track your order

        •Or enter your tracking number on the carrier’s official website

        Can I return an item?

        Yes. Returns are accepted within 14 calendar days of delivery if the item is:

        • In original condition
        • Unopened and unused
        • In original packaging
        When will I receive my refund?

        Refunds are processed within 10 days of receiving and inspecting your return. Refunds are issued to the original payment method.

        Can I cancel my order?

        Yes, if your order has not shipped yet. Once shipped, cancellations are no longer possible and the order can be returned after delivery.

        Note: For more details, please see our full Return and Refund Policy

        View Full FAQ

        View our full FAQ here

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        Overview

         

        The HUUM HIVE 18 is a high-capacity 18.0kW floor-mounted sauna heater designed for very large commercial and premium residential saunas. With a massive 528 lb stone capacity and European-crafted quality, it delivers smooth, consistent heat and abundant steam for a superior, professional sauna experience.


         

        Note: Not sure which method applies to your sauna? We’re happy to help. Send us (support@homespadirect.com)  your sauna dimensions and materials, and we’ll confirm the right heater size for you.

         

         

        Model

        HIVE 18

        Kilowatt Rating

        18.0kW

        Minimum Cubic Feet

        636

        Maximum Cubic Feet

        989

        Heater Weight

        53.5 lbs

        Shipping Weight with Sauna Stones

        581.5 lbs

        240V, Single-Phase Amperage

        75

        Circuit Breaker

        See Installation and Operation Manual

        Wire Size AWG

        6 + 6

        Diameter

        22" (560mm)

        Height

        29.5" (750mm)

         

        Features

         

          • Elegant design
          • Suitable for commercial use
          • 240V/1PH operation
          • Works with UKU controls (sold separately)
          • Works with UKU extension box (sold separately)
          • Large 528 pound stone capacity (required 16 boxes sold separately)
          • Direct contact between stones and heating elements
          • More exposed stones create a longer and milder heat
          • Stainless steel construction
          • Stainless steel, industrial-quality heating elements
          • Floor model with adjustable legs
          • Air tunnel shortens heat-up time and increases life of heating elements
          • SGS listed
          • Designed, engineered, and made in Estonia
          • Dimensions: 22"Diameter (560mm) x 29.5"H (750mm)
          • Limited 3-year residential warranty and limited 1-year commercial warranty (excluding elements)

           

           

          Includes:

           

           

              • 18.0kW Sauna Heater
              • Adjustable Legs
              • Pre-Installed HIVE Air Tunnel
              • Installation and Operation Manual
              • 3-Year Limited Residential Warranty and 1-Year Limited Commercial Warranty (Excluding Elements)

               

               

              Dimensions

               

              Diameter

              22" (560mm)

              Height

              29.5" (750mm)

               

              Description


              Built for expansive, high-performance sauna environments, the HUUM HIVE 18 delivers exceptional power with refined, modern elegance. This floor-mounted 18.0kW electric sauna heater is designed for large saunas commonly found in health clubs, spas, gyms, and premium residential installations, supporting sauna rooms from 636 to 989 cubic feet.

               

               

              The HIVE 18 features a substantial 528-pound stone capacity, enabling outstanding heat retention and efficiency even during extended or continuous use. This large stone mass produces a soft, stable, high heat and allows for generous water ladling, creating rich steam and a deeply immersive, traditional sauna experience ideal for high-traffic or professional settings.

               

               

              With its open stone basket design, the HIVE 18 not only enhances airflow and even heat distribution but also serves as a visually striking centerpiece within the sauna. Its clean, sculptural form complements modern sauna interiors while supporting optimal performance.

               

               

              Precision-engineered and crafted in Estonia, HUUM HIVE heaters embody European sauna heritage and meticulous manufacturing standards. The HUUM HIVE 18 is a powerful, professional-grade heating solution for large saunas that demand reliability, efficiency, and elevated design.