Air Tunnel for HIVE Electric Sauna Heaters | HUUM

HUUM Air Tunnel is designed as a performance-enhancing internal accessory for HUUM HIVE electric sauna heaters, improving airflow through the stone cavity for a quicker, more consistent heat-up. By guiding fresh air vertically through the heater’s stainless steel core, it helps the sauna reach temperature more efficiently while supporting an even, balanced warmth throughout the room. This stainless steel insert also eases the thermal load on heating elements, promoting steadier operation over long-term use. Reducing the required stone mass by roughly 66 lb, the tunnel lightens installation and maintenance without compromising the rich, stone-driven character of HUUM’s signature löyly. Made for full compatibility with all HIVE models, it offers a simple yet meaningful upgrade for users looking to optimize performance, protect their heater, and enjoy faster, more responsive sauna sessions.

Flat-rate delivery of £274 covers every product and accessory to any UK mainland address; orders over £5,000 ship free. We process orders in 1–3 working days and the courier takes 3–6 working days. Large items come on a pallet and we phone to book a delivery day.

You can cancel within 14 days of delivery under the Consumer Contracts Regulations. Returns are processed within 7 working days of the goods arriving back with us. Read the full shipping policy and returns policy.