HUUM HIVE 12kW Electric Sauna Heater – Commercial-Grade Floor Model with 528 lb. Stone Capacity
The HUUM HIVE 12kW Electric Sauna Heater is built for performance, efficiency, and elegance. With an enormous 528 lb. stone capacity and 12kW heating output, this floor-standing model is designed for large residential and commercial sauna rooms ranging from 424–883 cu. ft.. Its integrated air tunnel ensures rapid heating and longer heating element life, while its sleek stainless steel design showcases Estonian craftsmanship. SGS listed for safety, the HIVE 12kW blends modern aesthetics with unmatched functionality.
Key Features
-
12kW output – engineered for large residential and commercial saunas
-
528 lb. stone capacity (≈16 boxes, sold separately) for prolonged, radiant heat
- Elegant cylindrical stainless steel design with a compact footprint
- Direct contact between stones and elements produces soft, mild, long-lasting steam
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Air tunnel system reduces heat-up times and extends element lifespan
-
Floor-mounted with adjustable legs for stable, level installation
- Compatible with HUUM UKU Controllers & Extension Box (sold separately)
- SGS safety listed
- Handcrafted in Estonia
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5-Year Limited Warranty (excluding elements)
Recommended Sauna Room Size
Optimized for sauna rooms between 424 and 883 cubic feet.
Stone Capacity & Compatibility
- Requires 528 lbs. of sauna stones – 16 boxes of HUUM Olivine Diabase Stones (sold separately)
- Rounded stones recommended for improved airflow and softer steam distribution
What’s Included
- HUUM HIVE 12kW Electric Sauna Heater
- Pre-installed HIVE Air Tunnel
- Adjustable legs for flexible installation
- Installation & Operation Manual
- 5-Year Limited Warranty (excluding elements)
Technical Specifications
| Specification |
Details |
| Model |
HIVE 12 |
| Power Output |
12 kW |
| Mounting |
Floor-mounted with adjustable legs |
| Room Size |
424–883 cu. ft. |
| Stone Capacity |
528 lbs (≈16 boxes, sold separately) |
| Dimensions |
22″ Diameter × 29.5″ H (560 × 750 mm) |
| Construction |
Stainless Steel |
| Air Tunnel |
Pre-installed (reduces heat-up time) |
| Certifications |
SGS Listed |
| Controls Compatibility |
HUUM UKU Controller & Extension Box (sold separately) |
| Country of Origin |
Estonia |
| Warranty |
5-Year Limited (excluding elements) |
Why Choose the HUUM HIVE 12kW Heater?
The HUUM HIVE 12kW is ideal for wellness centers, spas, and large luxury saunas seeking long-lasting, mild steam and reliable performance. Its 528 lb. stone bed ensures exceptional heat retention, while the air tunnel system speeds up heating and extends element lifespan. Built with Estonian craftsmanship and SGS-certified safety, this heater is the ultimate blend of power, durability, and modern design.
Pro Tip: Use rounded 2″–4″ olivine diabase stones (16 boxes required) for best performance. Stack loosely for airflow and gentler steam. For full functionality, pair with a HUUM UKU controller and extension box (sold separately).
