Description
The HUUM STEEL 9 kW is a high-efficiency electric sauna heater engineered for small to mid-size sauna rooms in the United States. Designed with a slim, vertical form, it’s ideal for homes, backyard outdoor saunas, wellness studios, boutique spas, and fitness centers that need powerful performance without sacrificing space.
Its open-stone structure and increased stone capacity allow the heater to warm up quickly and produce soft, rich steam similar to a traditional wood-burning sauna. This ensures a smooth heat curve and a balanced, comfortable sauna climate—perfect for both Finnish dry sauna and humid steam sessions.
Crafted from premium stainless steel and built for long-term use, the HUUM STEEL 9 kW offers strong daily performance with minimal maintenance. The large stone chamber improves heat retention, steam quality and overall comfort, making it one of the most dependable small electric sauna heaters available.
For modern convenience, the STEEL 9 kW supports HUUM Wi-Fi and GSM smart controllers, letting you manage your sauna directly from your smartphone—ideal for homeowners and commercial operators wanting remote start and precise temperature control.
Key Benefits
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Slim, space-saving vertical design for compact sauna layouts
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Durable stainless-steel construction for long service life
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Fast, even heat distribution across small and mid-size sauna rooms
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Large stone capacity provides soft, abundant steam
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Easy installation and low maintenance
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Compatible with HUUM Wi-Fi and GSM smart controllers
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Suitable for residential and commercial saunas
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Scandinavian minimalist styling for modern interiors
For customers in the US looking to buy a compact, high-performance electric sauna heater, the HUUM STEEL 9 kW offers an ideal blend of efficiency, steam quality and premium design.
Complete your heater — choose your control
HUUM electric heaters ship without a control unit or stones. Pick a compatible UKU control from the dropdown above, or shop it on its own page:
- UKU Local — wired, no app ($1,062)
- UKU Wi-Fi — heat your sauna from your phone ($1,324)
- UKU Glass — black-glass panel + app ($1,724)
Sauna stones (10 boxes, 1–2 in) can be added below, or sourced elsewhere.
