HUUM HIVE 12 — High-Capacity Electric Sauna Heater (12.0kW)

The HUUM HIVE 12kW Sauna Heater delivers powerful, elegant, and consistent heating performance for larger home saunas and light commercial applications. Designed for rooms between 424 and 636 cubic feet, the HIVE 12 combines high output with HUUM’s iconic cylindrical design and unmatched stone capacity.

With a massive 528-pound stone capacity, the HIVE 12 generates soft, even heat and full-bodied löyly that lasts far longer than traditional electric heaters. More exposed stones improve steam quality and allow for rapid recovery between sessions — ideal for Airbnb units, wellness retreats, gyms, boutique spas, and upscale home installations.

The integrated HIVE air tunnel increases heating efficiency, shortens heat-up time, and extends the lifespan of the heating elements. Pair the heater with a HUUM UKU Control System for seamless operation, programmable features, and optional Wi-Fi functionality.

Designed and manufactured in Estonia, the HIVE 12 elevates any large sauna with its modern aesthetic, superior craftsmanship, and commercial-grade performance.

• 12.0kW High-Performance Output: Perfect for large private and commercial-use saunas

• Oversized 528-Lb Stone Capacity: Produces exceptionally soft, stable, and radiant heat

• Air Tunnel Technology: Speeds heat-up time & extends heating-element lifespan

• Stainless Steel Construction: Durable, corrosion-resistant, premium finish

• Direct Stone-to-Element Contact: Improves heat efficiency & steam richness

• Compatible with HUUM UKU Controls: Local, Wi-Fi, Glass, Mirror, Gold

• Requires HUUM UKU Extension Box: Necessary for high-power installations

• Elegant Cylindrical Floor Design: Includes adjustable leveling legs

• SGS Listed: Meets international safety standards

• Crafted in Estonia: High-quality Nordic engineering

• HUUM HIVE 12kW Sauna Heater

• Adjustable Legs

• Pre-Installed HIVE Air Tunnel

• Installation & Operation Manual

• 3-Year Residential Warranty

• 1-Year Commercial Warranty (Excl. Elements)

Required for Operation (Sold Separately)

• HUUM UKU Control System

  • UKU Local

  • UKU Wi-Fi

  • UKU Glass

  • UKU Mirror

  • UKU Gold

• HUUM UKU Extension Box — Required when using UKU controls

• HUUM Stones 24 (16 Boxes Required) — 2"–4" rounded olivine stones for heat retention and steam generation

Manual Links:

• HUUM Warranty

• HUUM HIVE Sauna Heater IOM Owners Manual

• HUUM Certificate of Compliance

• HUUM Required Elements

• HUUM Stone Requirements

• Sizing Your HUUM