HUUM HIVE 18kW Electric Sauna Heater – Commercial Sauna Heating Excellence

The HUUM HIVE 18kW Electric Sauna Heater is the ultimate solution for large, high-demand sauna environments. Designed for commercial use in health clubs, spas, wellness centers, and hotels, this floor-mounted commercial sauna heater combines industrial-grade durability with a sleek, modern design. With a stone capacity of up to 550 lbs, the HIVE delivers a long-lasting, soft, and consistent heat experience.

Designed for Large Sauna Rooms

This powerful electric sauna heater is engineered for sauna rooms ranging from 636 to 1236 cubic feet. Thanks to its massive thermal mass, the HIVE 18kW ensures even heat distribution and extended steam output—ideal for accommodating larger groups without sacrificing comfort.

• Power Output: 18 kW
• Coverage: 636–1236 ft³ sauna rooms
• Voltage: 240V, 1-Phase
• Stone Capacity: 550 lbs (17 boxes), or 463 lbs with included Air Tunnel
• Control Compatibility: Works with UKU Controller and UKU Extension Box (both sold separately)
• Construction: Stainless steel body and industrial-grade heating elements
• Installation: Floor model with adjustable legs for leveling
• Heat-up Time: 20–30 minutes
• Certifications: SGS Listed

Advanced Heating with HUUM Air Tunnel

The HUUM Hive Air Tunnel is pre-installed inside your heater to maximize performance. This innovative feature:

• Boosts heating efficiency by up to 25%
• Reduces the required amount of stones by two boxes
• Extends the life of the heating elements
• Constructed from premium stainless steel

Elegant Design Meets Industrial Strength

With its modern cylindrical design and rugged build, the HUUM HIVE 18kW is both functional and visually stunning. It features direct contact between the heating elements and stones for optimal steam generation and more exposed stones for a smoother, milder heat profile.

What's Included

• HUUM HIVE 18kW Sauna Heater
• HUUM Hive Air Tunnel (pre-installed)
• Adjustable mounting legs
• Installation and operation manual
• Limited 5-Year Warranty (excluding heating elements)

Optional Accessories (Sold Separately)

• UKU Control Panel (Local or Wi-Fi)
• UKU Extension Box
• HUUM Sauna Stones – 17 boxes of 33 lbs (5–10 cm stones)

Specifications

• Model: HIVE 18kW
• Power Levels: Available in 12kW, 15kW, 18kW
• Diameter: 22" (560mm)
• Height: 29.5" (750mm)
• Weight: 49.7 lbs (22.54 kg)
• Warranty: 5-Year Limited (excluding elements)

Built in Estonia with precision and care, the HUUM HIVE sauna heater is the premium choice for sauna owners who demand superior performance, energy efficiency, and a luxurious heat experience.

HUUM Hive Manual