The Complete HUUM Steel Mini 3.5kW 240V/1PH Electric Sauna Heater Package combines modern elegance with powerful performance, offering a premium heating experience for compact sauna spaces.
Its high stone capacity ensures a smooth, consistent heat and gentle steam, creating a soothing and immersive atmosphere. Inspired by the strength and simplicity of steel, this heater blends durability with a sleek, contemporary design.
The included UKU control (WiFi optional) allows for effortless temperature adjustments, while the carefully selected sauna stones enhance heat retention for an authentic sauna experience.
Designed for sauna rooms up to 212 cubic feet, the HUUM Steel Mini transforms any home sauna into a luxurious retreat.
Features
STEEL Mini 3.5kW Sauna Heater
-
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Slender design
- Suitable for use in small saunas with limited space
- Small safety distances
- Heats up to 25% faster due to internal air duct
- For sauna rooms from 123 to 212 cu. ft.
- Works with UKU controls (sold separately)
- 133 pound stone capacity (required 4 boxes sold separately)
- Direct contact between stones and heating elements
- More exposed stones creates a longer and milder heat
- Stainless steel construction
- Stainless steel, industrial quality heating elements
- Wall-mount model
- Designed, engineered, and made in Estonia
- Dimensions: 12.6" W (320mm) x 6" D (150mm) x 38.4" H (975mm)
- Limited 5-year warranty (excluding elements)
UKU Control
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- Sleek Black control display panel
- Multiple Color Options available (additional charges apply)
- Settable on/off, time, temperature, and delay
- Settable temperature range of 104-230F
- Delayed start up to 48hrs in advance
- Optional Built-in Wi-Fi interface for HUUM mobile app (additional charges apply)
- 8 Language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
- Inside/outside sauna room installation
- Optional smart heating setting
- Available decorative control display panels
- Displays set temperature and room temperature
- Temperature sensor
- Door sensor to keep the heat inside the room
- Remotely located main control module
- Connects to lights and ventilation
- Overheat protection
- Child safety lock
- Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
- Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)
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)
Includes
STEEL Mini 3.5kW Sauna Heater
- 3.5kW sauna heater
- Wall fastening bracket
- Installation and operation manual
- 5-Year limited warranty (excluding elements)
UKU Control
- Black Control console
- Main control module
- Temperature sensor
- Door sensor
- Control display panel cable
- Temperature sensor cable
- Door sensor cable
- Installation and operation manual
- 5-Year limited warranty
Stones 12
- 132 lbs of 1" to 2" (3-5 cm) round Olivine sauna stones
Specifications
| Heater |
STEEL Mini 3.5 |
| Kilowatt Rating |
3.5 KW |
| Minimum Cubic Feet |
123 CF |
| Maximum Cubic Feet |
212 CF |
| Heater Weight |
32 lbs |
| Shipping Weight with Sauna Stones |
165 lbs |
| 240V, Single Phase Amperage |
-- |
| Width |
12.6" W (320mm) |
| Depth |
6" D (150mm) |
| Height |
38.4" H (975mm) |
| Controller |
UKU |
| Minimum Temperature Setting |
104 F |
| Maximum Temperature Setting |
230 F |
| Shipping Weight |
20 lbs |
| Console Dimensions |
|
| Width |
2.2" (55mm) |
| Depth |
0.9" (22mm) |
| Height |
4.1" (105mm) |
| Main Module Dimensions |
|
| Width |
3.5" (90mm) |
| Depth |
2.3" (58mm) |
| Height |
5.6" (142mm) |
| Display Panel Cable |
|
| Length |
9.8 ft |
| AWG |
22 |
| Temp Sensor Cable |
|
| Length |
16.4 ft |
| AWG |
24 |
| Door Sensor Cable |
|
| Length |
16.4 ft |
| AWG |
24 |
Spec Diagram
