Heaters
Steel Mini 4
Questions
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Overview
HUUM STEEL MINI 4 — Product Details
The Steel Mini is a slim, wall-mounted electric sauna heater that retains the core features of the HUUM Steel series in a more compact form. Despite its size, it supports up to 60 kg of sauna stones, delivering an authentic and high-quality löyly experience. Its refined vertical design brings a modern aesthetic to the sauna space, while efficient heat circulation ensures stable temperatures and soft, long-lasting steam.
Key Features:
- Slim, space-saving wall-mounted design
- Stone capacity up to 60 kg for soft, pleasant steam
- Efficient heating for fast warm-up times
- Compatible with the HUUM app (supports UKU Wi-Fi control system)
Included in the Set:
- Electric sauna heater unit
- Adjustable legs
- UKU Wi-Fi control system
- Sauna stones (60 kg)
Required separately:
- Heat-resistant power cable
Heater accessories:
- Safety guard
- Installation flange (for built-in installation)
Options
Configuration and options
See which heaters and options fit this product, then mention them in your enquiry.
Sauna Controllers
Select one controller.Choose the UKU Wi-Fi control system required for this heater.
Control Panels
Select one design.Choose a control panel design.
Sauna Stones
Sauna stones are required for this heater and are included in the set.

Sauna Stones 3-5cm
×4 boxes · included
Specifications
Size and specifications
- Category
- Heaters
- Output
- 3.0 kW
- Sauna room size
- 3-4.5 m³


