HUUM STEEL Mini 3.5kW 240V Electric Sauna Heater – Complete Package (UKU WiFi Control)
This HUUM STEEL Mini 3.5kW Electric Sauna Heater Package (UKU WiFi Control) comes complete with the traditionally designed STEEL Mini 3.5kW sauna heater, UKU WiFi control, and sauna stones - everything you need to build your dream sauna experience. The package has been combined for use in sauna rooms from 106 to 177 cubic feet.
The HUUM STEEL Mini 4 Electric Sauna Heater delivers powerful performance in a compact, modern design—perfect for small home saunas or limited spaces. Its slim, vertical form allows for easy wall mounting while maintaining short safety distances, maximizing usable space inside the sauna.
Crafted with precision, the STEEL Mini 4 holds up to 60 kg (132 lb) of sauna stones, ensuring consistent and even heat distribution. An integrated air tunnel promotes faster heating and improved airflow, enhancing the overall efficiency of each session.
Encased in durable stainless steel, the STEEL Mini 4 brings both functionality and contemporary elegance to your sauna.
For added safety and visual harmony, pair the heater with a HUUM safety railing or a custom-built guard.
Features
STEEL Mini 3.5kW Sauna Heater
- Slender design
- Suitable for use in small saunas with limited space
- Control with a mobile app
- 132 lb stone capacity
- 240V/1PH operation
- Stainless steel, industrial quality heating elements
- Wall-mount model
- Soft and long-lasting steam
- Designed, engineered, and made in Estonia
- SGS listed
- 3-year residential warranty and 1-year commercial warranty (excluding elements)
UKU WiFi Control
- Smart sauna control system
- Control from the wall-mounted control panel and mobile phone
- Elegant mirror finish complements contemporary interiors
- Minimalist interface with user-friendly menu
- Settable on/off, time, temperature, and delayed start function
- For heaters up to 18kW (over 11kW requires an extension box)
- Temperature range of 104–230°F (40–110°C)
- Displays set temperature and room temperature
- Safety sensor helps regulate temperature near the heater
- Bench sensor measures temperature and humidity at bench level
- Connects to lights, ventilation, and a steamer
- Overheat protection and child safety lock provide enhanced sauna safety
- Designed, engineered, and made in Estonia
- Limited 3-year residential warranty and limited 1-year commercial warranty
- Available decorative control display panels
- GLASS: Black/Mirror/Gold
- CLASSIC: Black/White/Wood
Sauna Stones 12
- Olivine diabase sauna stones
- Rounded shape to complement heater design
- Durable with high-heat capacity
- Stones range from 1" to 2" (3–5 cm)
Specifications
B: 16.1" (420 mm)
What's Included
STEEL Mini 4 Sauna Heater
- 3.5kW electric sauna heater
- Wall fastening bracket
- Installation and operation manual
UKU WiFi Control
- Control display panel
- Main control module
- Safety sensor
- Bench sensor
- Sensor housings (2)
- Door sensor kit
- Temperature resistant cable
Sauna Stones 12
- 132 lb of 1" to 2" (3–5 cm) round sauna stones
