HUUM STEEL Series Sauna Heater
Curated only from premium, high-quality materials.
Curated only from premium, high-quality materials.
The HUUM STEEL Mini and STEEL Series sauna heaters are crafted for saunas with limited space yet high expectations for performance. These slim, wall-mounted or floor-standing heaters deliver efficient, even heat through direct stone-to-element contact, producing a longer, milder, and more authentic sauna experience. With remarkably small safety distances and rapid heat-up times, they’re ideal for compact home or commercial saunas.
Engineered and made in Estonia, the STEEL Series features a minimalist brushed stainless-steel body and industrial-grade heating elements built for long-term durability. An internal air duct boosts heating efficiency by up to 25%, while the vertical design saves valuable space without compromising heat quality.
Slim, space-saving design for modern interiors
Small safety distances ideal for compact saunas
Wall-mount (STEEL Mini 3.5kW) or floor-mount (6kW, 9kW, 10.5kW) models
Direct contact between stones and heating elements for softer heat
Heats up to 25% faster with internal air duct
Works with UKU control systems (sold separately)
Stainless steel construction with industrial-grade elements
Designed, engineered, and made in Estonia
Limited 5-year warranty (excluding heating elements)
CE and SGS certified, IPX4 rated
Sauna heater
Wall mounting bracket (for Mini model)
Installation and operation manual
5-year limited warranty (excluding elements)
| Model | Power | Voltage | Amperage | Phase | Sauna Room Size | Stone Capacity | Dimensions (W × D × H) | Weight |
|---|---|---|---|---|---|---|---|---|
| STEEL Mini 3.5kW | 3.5 kW | 240V | 14.58 A | 1PH | 123–212 cu. ft. | 133 lbs (4 boxes × 33 lbs stones) | 12.6"W × 6"D × 38.4"H | 32 lbs (14.5 kg) |
| STEEL 6kW | 6.0 kW | 240V | 25.0 A | 1PH | 176–353 cu. ft. | 331 lbs (10 boxes × 33 lbs stones) | 12.6"W × 12.6"D × 38.4"H | 33 lbs (14.96 kg) |
| STEEL 9kW | 9.0 kW | 240V | 37.5 A | 1PH | 317–529 cu. ft. | 331 lbs (10 boxes × 33 lbs stones) | 12.6"W × 12.6"D × 38.4"H | 33 lbs (14.96 kg) |
| STEEL 10.5kW | 10.5 kW | 240V | 43.75 A | 1PH | 353–600 cu. ft. | 331 lbs (10 boxes × 33 lbs stones) | 12.6"W × 12.6"D × 38.4"H | 33 lbs (14.96 kg) |
UKU Control Panel (sold separately)
UKU Extension Box (required for STEEL 10.5kW)
HUUM Sauna Stones (boxes of 33 lbs each)
Rail S, Reflect S, and Flange CS (for floor models)
Ground Shipping
Wall-mounted sauna heaters with stones and controls ship via ground service.
LTL Freight
Floor-standing sauna heaters and stoves with stones and controls ship via LTL freight.
Freight Quotes for Other Areas
If you’re located outside the contiguous U.S., please contact us for a custom freight quote via live chat or email at support@elevareexperience.com.
Delivery Details
Due to the weight and craftsmanship of these sauna heaters, delivery is made by special appointment and arrives securely packaged on a wooden pallet.
The carrier provides curbside delivery only, lowering the item to ground level.
Prior to shipment, our team will contact you to review delivery details and address any special circumstances that may affect timing or cost.
Our priority is to ensure a smooth and successful delivery experience for your project.
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Warranty: HUUM 5-Year Limited Warranty
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