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HUUM

HUUM HIVE Mini Series 9 kW Sauna Heater

4.7 47 online product reviews
$2,14900 $3,00000
Tax and shipping included in price. Discounts calculated at checkout.
Voltage & Phase
Experience

Small name, massive presence. The HUUM HIVE Mini 9 proves that intimacy doesn’t mean compromise, packing 9 kW of floor-standing power and a 330-lb stone bed into a frame that thrives in compact sauna rooms. Every stone is in direct contact with the elements, releasing heat that rolls softer, fuller, and longer than you’d expect from something called Mini.

Crafted in Estonia from stainless steel and built to last, the Mini gives you both grit and grace: adjustable legs for effortless setup, sleek design for timeless beauty, and UKU controls (Wi-Fi optional) so the ritual bends to your rhythm. In other words, this isn’t a “small” heater. It’s a concentrated dose of sauna power.

Highlights
  • Elegant design
  • Pre-installed air tunnel shortens heat-up time and increases life of heating elements
  • 240V/1PH operation
  • For sauna rooms from 282 to 530 cu. ft.
  • Works with UKU controls (sold separately)
  • 330 pound stone capacity (required 10 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
  • Designed, engineered, and made in Estonia
  • Dimensions: 18.1"Diameter (460mm) x 29.5"H (750mm)
  • SGS listed
  • Limited 5-year warranty (excluding elements)
    Setup

    Heater included: Yes. HUUM HIVE Mini 9.0kW stainless-steel floor model with adjustable legs
    Sauna stones included: No. Requires 330 lbs (150 kg) of rounded olivine diabase stones; sold separately
    Control included: No. Compatible with UKU control (sold separately)
    Home Ready: No. Requires 240V / 1-phase electrical service
    Electrician required: Yes. Professional installation required for safety and warranty compliance
    Room size compatibility: 317–530 cu. ft. (9–15 m³)
    Assembly: Stones must be loaded manually after installation

    Specifications
    Model HIVE Mini 9
    Kilowatt Rating 9.0kW
    Minimum Cubic Feet 282
    Maximum Cubic Feet 530
    Heater Weight 40.3 lbs
    Shipping Weight with Sauna Stones 370.3 lbs
    240V, Single-Phase Amperage 37.5
    Circuit Breaker 50
    Wire Size AWG 8
    Diameter 18.1" (460mm)
    Height 29.5" (750mm)

    4.7

    47 online ratings
    The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

    HUUM HIVE Mini Series 9 kW Sauna Heater Review Summary

    4.7

    47 online ratings
    The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

    What people like

    This floor-standing unit is widely celebrated for its striking minimalist aesthetic, which functions as a visual centerpiece in any modern sauna. Reviewers consistently highlight the exceptional steam quality produced by its massive stone capacity, creating a soft and authentic heat that lingers longer than traditional box-style heaters. Users value the precision craftsmanship and durable stainless steel construction, noting that it is built to last through years of frequent use. Additionally, the integration with smart mobile applications provides a high level of convenience, allowing for seamless remote operation and preheating. Its efficient airflow design ensures that the space reaches the desired temperature quickly while maintaining a gentle and pleasant environment.

    Pros

    • High Stone Capacity: The unit holds an impressive volume of stones, which ensures a soft, consistent, and long-lasting steam experience that outperforms many standard heaters.
    • Elegant Modern Design: Owners frequently praise the award-winning, sculptural appearance that elevates the interior design of the sauna room with a clean, organic look.
    • Fast Heating Performance: Despite the large rock volume, the built-in air tunnel allows the unit to reach high temperatures quickly and efficiently for a faster startup.
    • Remote Mobile Control: Compatibility with Wi-Fi control systems enables users to start and monitor their sauna sessions from a smartphone app for maximum convenience.

    Cons

    • Stones Sold Separately: Multiple reviewers noted that the large quantity of specialized stones required for operation is typically not included and must be bought as an added cost.
    • Premium Price Point: Feedback indicates that this heater is a high-end investment, often costing significantly more than entry-level or traditional box-style alternatives.
    • Controller Not Included: The digital wall control unit needed to operate the heater is usually sold separately, which can be a surprise for first-time buyers during checkout.
    • Professional Installation Required: Due to the high power output and electrical specifications, users emphasize the necessity of hiring a licensed electrician for a safe and proper setup.
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