HUUM HIVE 12 Sauna Heater – 12.0kW
The HUUM HIVE 12 is a floor-mounted electric sauna heater designed for large sauna rooms from 424 to 883 cubic feet. Precision-crafted in Estonia, this heater combines a modern, minimalist look with commercial-grade performance, making it an ideal choice for health clubs, day spas, gyms, and larger private saunas.
With a massive 550 lb (250 kg) stone capacity, the HIVE 12 delivers long-lasting, even steam and consistent high heat. Its stones are placed in direct contact with the heating elements for efficient heat transfer and enhanced steam production. Built from high-grade stainless steel and SGS-listed for safety, this model is engineered for daily use and years of reliable performance.
Key Features
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12.0kW floor-mounted sauna heater
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Stainless steel construction
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High stone capacity: 550 lbs (250 kg)
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Suitable for wet or dry sauna use
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External control options (UKU Local, Wi-Fi, or Glass)
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Made in Estonia, SGS safety listed
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5-year limited warranty (excluding elements)
Sauna Room Compatibility
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For saunas: 424 to 883 cubic feet (12 to 25 m³)
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Organic, space-saving design
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Wi-Fi compatible with HUUM UKU control systems
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Smartphone app option for remote heating
Sauna Stones
Stones are not included. HUUM recommends rounded olivine diabase stones (5–10 cm) for softer steam and a complementary design. These stones are durable, hold heat well, and are available separately. Decorative stones are not recommended.
What’s Included
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HUUM HIVE 12 sauna heater (12.0kW)
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Adjustable legs
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Pre-installed HIVE Air Tunnel
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Installation and operation manual
Recommended Add-Ons
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HUUM UKU Control Unit (Local, Wi-Fi, or Glass)
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550 lbs of sauna stones (2–4 in / 5–10 cm)
Specifications
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Model: HIVE 12
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Power: 12.0kW
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Sauna size: 424 – 883 cu. ft.
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Heater weight: 49.1 lbs
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Shipping weight with stones: 577.1 lbs
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Voltage: 240V, 1-phase
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Amperage: 50A
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Circuit Breaker: 30 + 30
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Wire Size: 10 + 10 AWG
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Dimensions: 22" diameter (560mm) x 29.5" height (750mm)
Model Comparison
| Model |
Power (kW) |
Sauna Size (cu. ft.) |
Amps / Circuit Breaker / Wire Size |
Safety Distance A |
Safety Distance B |
| HIVE 12 |
12 |
424 – 883 |
50 / 30+30 / 10+10 AWG |
4.73" |
31.5" |
| HIVE 15 |
15 |
530 – 1060 |
62.5 / 50+50 / 8+8 AWG |
5.9" |
33.86" |
| HIVE 18 |
18 |
636 – 1236 |
75 / 50+50 / 8+8 AWG |
7.1" |
36.22" |
