HUUM STEEL 9.0STU Pkg
Best high-performance heater for medium-sized home sauna enthusiasts.
Experience the ultimate sauna with the HUUM STEEL 9.0STU Package. This electric sauna heater, crafted in Estonia from durable stainless steel, features an innovative internal air duct for up to 25% faster heating. It comes complete with the versatile UKU control system, offering local or optional Wi-Fi control for precise temperature management and delayed starts. Authentic Olivine stones are included, ensuring a longer, milder heat. Ideal for sauna rooms between 318 and 529 cubic feet, it combines efficient performance with elegant design.
$3154.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 154
#2 in Sauna Heaters
Price vs Category Average
+36%
Above average
Heating Capacity
9.0
/ kW
Who it's for
- Traditionalists seeking a soft and consistent Finnish steam experience
- Design-conscious homeowners wanting a sleek, modern sauna centerpiece
- Off-grid enthusiasts craving an authentic, wood-fired sauna ritual
Who should skip it
- Budget-conscious buyers avoiding complex chimney and fire code installations
- Convenience-seekers preferring low-maintenance electric heating solutions
- Impatient bathers wanting rapid heat-up times before their session
Performance breakdown
Heating Efficiency
Internal air duct design significantly accelerates room warm-up times.
Build Quality
Robust stainless steel construction ensures long-term durability in high-heat environments.
Control Interface
The UKU system offers intuitive, precise temperature management and remote connectivity.
Steam Quality
Massive stone capacity produces a soft, consistent, and long-lasting steam.
Installation Flexibility
Compact safety distances allow for versatile placement in smaller sauna rooms.
Safety Features
Integrated child lock and overheat protection provide essential peace of mind.
Key Specs
Heating Capacity
9.0 kW
Mounting Type
Floor Standing
Stone Capacity
331 lbs
Voltage
240 V
Housing Material
Stainless Steel
Maximum Sauna Room Volume
529 Cubic Feet
Maximum Timer Duration
48 hours
Safety Features
Overheat Protection, Child Lock
Features
- Heats up to 25% faster
- Longer, milder heat from exposed stones
- Durable stainless steel construction
- UKU control for easy management
- Optional Wi-Fi for remote control
- Flexible placement with small safety distances
- Rounded stones complement heater design
- Child lock for added safety
What customers say
The HUUM STEEL 9.0STU package earns high praise for its superior quality and striking modern design. Users consistently note how the sleek stainless steel construction transforms the sauna's aesthetic, making it a visual centerpiece. Beyond its looks, the performance is highly reliable, providing a soft enveloping heat thanks to the generous stone capacity. Reviewers agree that the exceptional craftsmanship and consistently comfortable operation fully justify the premium investment. This unit successfully blends high end looks with dependable functionality.
Know before you buy
This heater is designed for sauna rooms ranging from 318 to 529 cubic feet. It is important to ensure your room size falls within this range to achieve optimal heating performance.
Yes, the package includes the necessary authentic Olivine stones. These stones are specifically chosen for their ability to retain heat and provide a milder, more consistent steam.
The included UKU control system allows for local operation, and you can add optional Wi-Fi connectivity to manage your sauna settings, such as temperature and delayed starts, directly from your smartphone.
The heater includes built-in overheat protection and a child lock feature on the control system. Additionally, its design allows for smaller safety distances, providing more flexibility in how you position it within your sauna.
The integrated internal air duct improves airflow, which allows the heater to warm the room up to 25% faster than standard models. This design ensures the sauna reaches your desired temperature efficiently without sacrificing the quality of the heat.
The HUUM STEEL 9.0STU is a 9.0 kW electric heater that requires a 240V power source. Please consult with a professional electrician to ensure your sauna room's electrical infrastructure is compatible before installation.
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