HUUM STEEL Mini 4 STEEL Mini Series 3.5kW Sauna Heater

HUUM STEEL Mini 4 – 3.5kW Electric Sauna Heater

Experience Unmatched Performance in a Compact Design

Elevate your sauna experience with the HUUM STEEL Mini 3.5kW sauna heater, an expertly designed wall-mounted model perfect for compact sauna spaces. Crafted with high-quality stainless steel and engineered for efficiency, this heater offers an unparalleled blend of elegance, power, and convenience—making it an ideal choice for sauna rooms up to 212 cubic feet (CF).

Why Choose the HUUM STEEL Mini 3.5kW Sauna Heater?

The STEEL Mini series redefines efficiency and luxury, boasting an exceptionally short safety distance, allowing for flexible installation in smaller sauna spaces. Unlike traditional heaters in its category, the STEEL Mini 3.5kW features a remarkably large rock capacity, ensuring a more consistent heat distribution, enhanced steam production, and a superior sauna experience.

Key Features & Benefits

Sleek, Space-Saving Design – A slim and modern aesthetic that seamlessly integrates into compact sauna spaces.
Optimized Heating Efficiency – Heats up to 25% faster with an innovative internal air duct, reducing wait times and energy consumption.
High Rock Capacity (133 lbs) – Ensures longer-lasting, milder heat and greater steam potential for a more traditional sauna feel. (Stones sold separately – 4 boxes required.)
Exceptional Heat Retention – Direct contact between heating elements and stones enhances performance, delivering more consistent warmth.
Premium Stainless Steel Construction – Built with industrial-grade stainless steel for durability and corrosion resistance.
Wall-Mounted for Space Efficiency – Provides maximum usability in smaller saunas while maintaining optimal heat output.
Compatible with UKU Controls – Pairs seamlessly with HUUM UKU control systems (sold separately) for precise temperature management.
Designed & Manufactured in Estonia – Expertly crafted with European quality and precision engineering.
Reliable & Long-Lasting – Comes with a 5-year limited warranty (excluding elements) for peace of mind.

Specifications

• Power Output: 3.5kW
• Sauna Room Size Compatibility: 123 to 212 cu. ft.
• Material: Stainless steel
• Stone Capacity: 133 lbs (Stones sold separately)
• Dimensions: 12.6" W (320mm) x 6" D (150mm) x 38.4" H (975mm)
• Mounting Type: Wall-mounted
• Country of Origin: Estonia

What’s Included in the Package?

• HUUM STEEL Mini 3.5kW sauna heater
• Wall fastening bracket for secure installation
• Comprehensive installation and operation manual
• 5-Year limited warranty (excluding heating elements)

Enhance Your Sauna with HUUM

Transform your sauna into a haven of relaxation with the HUUM STEEL Mini 3.5kW—a heater that combines modern aesthetics, efficiency, and durability. Whether you're looking to upgrade a small home sauna or optimize space in a commercial setting, this premium-quality sauna heater is the perfect choice.

Order yours today and experience the next level of sauna luxury!

Product Manual / Stone Requirements  / Elements Required  / Warranty

Certificate Of Compliance  / Sauna Sizing Guide