HUUM Steel 10.5STU Pkg
Best high-performance heater for medium-sized home sauna enthusiasts.
Experience superior sauna heating with the HUUM Steel 10.5kW package. This electric heater, crafted in Estonia, features a durable stainless steel construction and an efficient internal air duct system for up to 25% faster heating. It's ideal for sauna rooms between 353 and 600 cubic feet. The package includes the user-friendly UKU control unit for precise temperature management and delayed start, along with authentic Olivine sauna stones. Its sleek, modern design complements any sauna space, offering a powerful and efficient heating solution for your home.
$3495.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 154
#2 in Sauna Heaters
Price vs Category Average
+50%
Above average
Heater Power Rating
10.5
/ KW
Who it's for
- Design-conscious homeowners upgrading their modern sauna aesthetic
- Quality-focused buyers prioritizing long-term durability and performance
- Traditionalists seeking an authentic, immersive steam experience
Who should skip it
- Budget-conscious shoppers looking for entry-level pricing
- Owners of compact saunas with limited floor space
- Convenience-seekers preferring low-maintenance electric heating solutions
Performance breakdown
Heating Efficiency
Internal air duct system significantly accelerates room warm-up times.
Build Quality
Robust stainless steel construction ensures long-term durability in high-heat environments.
Control Interface
UKU unit offers intuitive temperature management and convenient remote scheduling.
Steam Quality
Massive stone capacity provides a soft, consistent, and authentic steam experience.
Design Aesthetic
Minimalist vertical profile serves as a striking centerpiece for modern saunas.
Installation Versatility
Floor-standing design allows for flexible placement within larger sauna footprints.
Key Specs
Heater Power Rating
10.5 KW
Recommended Sauna Volume
9.99 to 16.99 m³ (353 to 600 cu ft)
Heater Dimensions
320mm W x 320mm D x 975mm H
Stone Capacity
150 kg (330.69 lbs) of Olivine diabase stones
Temperature Range
40°C to 110°C
Voltage
240V, Single Phase
Heater Weight
16.33 kg
Warranty
5 Years Limited Heater Warranty
Features
- Heats sauna up to 25% faster
- Sleek, modern design
- Milder heat via direct stone contact
- UKU control with 48-hour delay start
- Connects to external lighting/ventilation
- Durable stainless steel construction
- Optional Wi-Fi for app control
- Floor-standing installation
What customers say
Customers highly praise the HUUM Steel 10.5STU package, focusing on its exceptional modern design and robust quality. The aesthetic appeal significantly enhances the sauna space, creating a contemporary retreat. Users also celebrate the reliable, powerful heat output and the luxurious soft steam produced by the large stone capacity. This blend of sophisticated design and dependable performance solidifies the product's premium standing and strong value for dedicated sauna users.
Know before you buy
This heater is designed for sauna rooms ranging from 353 to 600 cubic feet. It is important to ensure your sauna is properly insulated to maintain these performance standards.
The package includes the heater, the UKU digital control unit, and the required 150 kg of Olivine diabase stones. You will still need to provide the appropriate electrical wiring and professional installation services to meet local building codes.
Yes, the included UKU control unit allows for precise temperature management and a 48-hour delayed start. If you opt for the Wi-Fi-enabled version, you can also control the heater remotely via the HUUM mobile app.
The internal air duct system is designed to improve airflow through the stone reservoir, which allows the heater to reach your desired temperature up to 25% faster than traditional designs. This also ensures more consistent heat distribution throughout the room.
The HUUM Steel 10.5kW heater requires a 240V, single-phase power supply. Because of the high power output, it must be installed by a licensed electrician to ensure safety and compliance with your local electrical regulations.
While the stainless steel housing is durable, it will become very hot during operation. Always maintain the recommended safety clearances specified in the manual to prevent accidental contact.
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