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Meet the HUUM HIVE Flow: the evolution of the wood-burning sauna stove. This isn't just another heater; it's a revolutionary leap in efficiency. Thanks to a groundbreaking, patent-pending design, the HIVE Flow captures and redirects 75% of the heat from the firewood directly into your sauna, rather than losing it up the chimney. This means you use less wood, heat up faster, and enjoy a superior, milder steam. It's the authentic ritual you love, perfected by modern Estonian engineering.
It's all about clever airflow. Unlike conventional stoves that send a huge amount of heat straight up the flue, the HIVE Flow is designed with a unique internal system that redirects that energy. This process not only dramatically improves heat efficiency but also creates a softer, more enjoyable, and longer-lasting steam experience, all while being more economical and environmentally friendly.
The Flow is designed to fit any space. The standard HIVE Flow is a 9.8kW powerhouse for mid-to-large saunas. For smaller spaces, the HIVE Flow Mini offers the same incredible efficiency in a more compact 8.5kW unit. Both are available in an LS version, which features an extended firebox so you can conveniently load wood from an adjacent room.
The two most critical components for any wood fired sauna are a solid, level foundation and a proper chimney system. The chimney is essential for safely venting smoke, and it must be installed with the correct clearances. For a complete, in-depth explanation of this crucial step, our comprehensive guide to wood fired heaters is a must-read.
For a full comparison with other top brands, read our complete HUUM vs. Harvia Heater Guide.
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