• Compact and Efficient: Designed specifically for small sauna rooms, the STEEL Mini 3.5 efficiently heats spaces from 123 to 212 cubic feet.
• Quick Heating: Features an internal air duct that heats up to 25% faster, reducing wait times for sauna users.
• Large Stone Capacity: Despite its compact size, it has a 133-pound stone capacity, ensuring a consistent heat and enhanced steam capability.
• Elegant Design: The slender, wall-mounted design not only saves space but also adds a touch of modern elegance to any sauna.
• High-Quality Materials: Constructed with stainless steel and industrial-quality heating elements for durability and longevity.

• Power: 3.5 kW, perfect for efficiently heating small sauna rooms.
• Dimensions: 12.6″W x 6″D x 38.4″H, offering a space-saving solution without compromising on performance.
• Weight: Heater weight is 32 lbs, with shipping weight including sauna stones at 165 lbs.
• Sauna Size Compatibility: Suitable for sauna rooms between 123 CF and 212 CF.
• Construction: Features stainless steel construction and heating elements, known for their durability and heat conduction.
• Installation: Comes with a wall fastening bracket, making the installation process straightforward and secure.

Note: Control and sauna stones (4 boxes) required for operation are sold separately. Compatibility with UKU controls offers flexibility and convenience for users.

• HUUM Steel IOM
• HUUM Steel Spec Diagram
• HUUM 2025 Warranty Terms and Conditions
• HUUM Elements Required
• HUUM Certificate of Compliance
• Sizing your HUUM
• HUUM Stone Requirements

Prefer a different size or power? Check out otherHuum Sauna Heater options.