SKU:H1007012
HUUM STEEL Mini Series 3.5kW 240V 1PH Brushed Stainless Steel Sauna Heater
HUUM STEEL Mini Series 3.5kW 240V 1PH Brushed Stainless Steel Sauna Heater
Stones (Requires 4 Boxes)
Heating Element Replacement
-- Please Select --
No, Thank You
Bucket and Ladle (Optional)
-- Please Select --
No, Thank You
Controllers
-- Please Select --
Digital On-Off, Time, Temperature Controller
Wifi Digital On-Off, Time, Temperature Controller
Glass Digital On-Off, Time, Temperature Controller
No, Thank You
Couldn't load pickup availability
- Free Shipping on Orders Over $400
- Same-Day Order Processing
- Easy Monthly Installments Starting at 0% APR*
• Text or call 800-614-7411
• Email support@usbathstore.com
• Start a live chat
Our team is available to serve you 8:00 AM - 11:59 PM ET, 7 days a week.
STEEL Mini electric sauna heater is the perfect choice for those who want a powerful and efficient sauna heater for their compact home sauna. Its sleek and slim design allows for easy wall mounting, and the short safety distances make it suitable for even the smallest steam rooms. The built-in air tunnel ensures quick heating, and it still holds an impressive 60 kg of sauna stones for gentle and long-lasting steam. Plus, the elegant stainless steel enclosure adds a touch of modern style to any sauna.
Elegant design meets superior performance. The compact, wall-mounted STEEL Mini 3.5 kW electric sauna heater has an exceptionally short safety distances, ideal for smaller sauna rooms. The STEEL Mini 3.5kW sauna heater is designed for sauna spaces up to 212 cubic feet (CF).
The HUUM STEEL Mini has an exceptionally large rock capacity compared with other heaters in this power range, resulting in a more consistent heat, more steam capability, and a superior bathing experience.
Heater For Modern Home Saunas
![]() STEEL electric sauna heater has been developed for contemporary apartment saunas. Its small measures and powerful construction provide a stylish supplement to the interior. The sauna heater is compatible with UKU sauna control system, which enables to heat the sauna irrespectively of where you are. Optimized construction of STEEL sauna heater has small safety distances, and its internal air tunnel assures effective air flow and expedites sauna heating by 25%. In addition, it prolongs the useful life of the heating elements. According to the experts, you’ll need 50 kg of sauna rocks for a mild steam. STEEL electric sauna heater holds as much as 150 kg of stones, and the wall-mountable STEEL Mini fits 60 kg of sauna rocks. ![]() |
STEEL and CLIFF Sauna Heaters That Have Minimized The Ecological Footprint
![]() STEEL electric sauna heaters form inseparable pairs with award-winning CLIFF electric sauna heaters. One could not exist without the other. These two sauna heaters are produced from the same stainless steel sheet. Fins of CLIFF sauna heaters are made of the cutouts of STEEL sauna heaters, which ensures that all material is utilized and there is no excessive waste. Our daily mission is to elaborate environment-friendly production methods, so that we could hand the nature in its current beauty down to our offspring. |
Classy and Smart Sauna Controller
![]() |
HUUM app enables to heat the sauna from a smartphone
![]() |
What's Included
- 3.5kW sauna heater
- Wall fastening bracket
- Installation and operation manual
- 5-Year limited warranty (excluding elements)
Not Included (Sold Separately)
- Temperature controller
- Sauna stones
- Bucket and ladle
Features
- Stylish and eye-catching design
- Mild and long-lasting steam
- Control with mobile app
- 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 create 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)

Specifications
Heater
| Model | STEEL Mini 3.5 |
| Power rating | 3,5 kW |
| Steam room min | 3 m³ |
| Steam room max | 5 m³ |
| Holding capacity of sauna rocks | 60 kg |
| Weight | 14,5 kg |
| Height | 975 mm |
| Width | 310 mm |
| Depth | 160 mm |
Connection
| Fuse | 16 A |
| Supply voltage, 1-phase | 1/N~230V |
| Power cable (N x mm²) | 3 x 2,5 |
230V 1N connection is analogous to a 3-phase connection. Division of heating circuits must precede the circuit breaker.
Safety Distances
| A | 50 mm |
| B | 420 mm |
| C | 310 mm |
| D | 160 mm |
| H | 975 mm |

Warranty

Warranty Terms
|
Warranty Terms For Huum Equipment
|
Documents & Files
- HUUM Catalog
- Installation & Operation Manual
- Spec Diagram
- Stone Requirements
- Elements Required
- Warranty
- Certificate of Compliance
Videos
Share

What our customers are saying...
-
What an excellent company and excellent products. Just like the old days when companies really cared about their customers, these guys are awesome!!!
Betty C.
Warminster, Pennsylvania
-
I was greeting in chat soon after logging into their web. She was genuine and very helpful in getting me the correct items I needed. The communication about shipping and tracking was great as well. My mind was at ease concerning my investment purchase! Thank you!
Jolene
San Jose, California
-
I've been extremely imporessed with the service--from the actual humans answeing phone calls to the accurate and prompt follow up, including and unrequested phone call to follow up on my order delivery requests.
Monica
Fairfax County, Virginia





