HUUM

HUUM HIVE FLOW | Wood Burner Sauna Stove With Firebox Extension & Sauna Stones

$4,399.97 USD

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HUUM | HIVE Flow LS | 9.5 kW Wood-Burning Sauna Stove | 75% Heat Retention · Extended External Firebox · 330 lbs Stone Capacity · BImSchV Certified · Patent-Pending · 5-Year Warranty | H1015012

HUUM HIVE Flow LS — 9.5 kW | Wood-Burning · External Firebox Loading · 75% Heat Retention · 330 lbs Stone Capacity · BImSchV · 5-Year Warranty 🔥

🪵 Wood-Burning9.5 kW282–635 cu ft♻️ 75% Firewood Heat Retention🚪 External Firebox — Load From Adjacent Room🪨 Up To 330 lbs Stone Capacity✅ BImSchV Certified🔬 Patent-Pending Construction🛡️ 5-Year Limited Warranty🇪🇪 Made In Estonia — HUUM

The HUUM HIVE Flow LS is a 9.5 kW wood-burning sauna stove built around two defining features that set it apart from every other wood-burning stove in the category. First: 75% heat retention — the extended firebox and patent-pending construction capture and hold 75% of the firewood's heat energy within the stone mass rather than losing it through the flue. Second: external firebox loading — the extended firebox allows wood to be loaded from an adjacent room, keeping sawdust, bark, and debris entirely out of the sauna space and the sauna environment clean throughout every session. Designed for rooms from 282 to 635 cubic feet with a stone capacity of up to 330 lbs — the largest in the HUUM wood-burning range. BImSchV certified. 5-year limited warranty. Made in Estonia.

75% heat retention. 330 lbs of stone. Load from outside. The HUUM HIVE Flow LS — every engineering decision made for a better session. 🌿

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75% Heat Retention — Extended Firebox + Patent-Pending Construction

The HIVE Flow LS retains 75% of each load of firewood's heat energy within the stove and stone mass. More heat per log, a more stable sauna temperature throughout the session, and significantly better fuel efficiency — fewer loads of wood required for the same session quality.

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Extended External Firebox — Load From An Adjacent Room

The HIVE Flow LS's extended firebox passes through the sauna wall, allowing wood to be loaded from an adjacent room without entering the sauna or bringing bark, sawdust, or debris into the sauna space. The sauna interior stays clean. The session is uninterrupted.

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Output

9.5 kW

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Room Range

282–635 cu ft

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Stone Capacity

Up To 330 lbs

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Warranty

5 Years

This product is listed for USA customers. For international orders, shipping is assessed case by case.

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♻️75% heat retention — extended firebox + patent-pending construction — retains 75% of each firewood load's heat energy within the stove and stone mass. More heat per log, longer stable sessions, better fuel efficiency.

🚪External firebox loading — from adjacent room, sauna stays clean — the HIVE Flow LS's extended firebox passes through the sauna wall, allowing wood to be loaded from an adjacent room. The interior stays clean, the session is uninterrupted.

🪨Up to 330 lbs stone capacity — the largest in the HUUM wood range — 330 lbs of sauna stones retains more heat energy, produces more consistent steam across extended sessions, and sustains repeated löyly pours.

📐9.5 kW — 282 to 635 cubic feet — covers a wide room range suited to mid-sized and larger home sauna installations.

✅BImSchV certified — emissions compliance — meets Germany's Federal Immission Control Act requirements for wood-burning emissions.

🔬Patent-pending construction — enhanced heat circulation — produces soft, consistent heat throughout the sauna room without the spikes and drops of less sophisticated wood-burning stove designs.

🛡️5-year limited warranty — made in Estonia by HUUM — backed by HUUM's 5-year limited warranty (excluding elements), designed and manufactured in Estonia.

Brand / Model	HUUM — HIVE Flow LS
Part Number	H1015012
Manufacturing	Designed, engineered & made in Estonia by HUUM
Fuel type	Wood-burning
Output	9.5 kW
Room capacity	282–635 cubic feet
Stone capacity	Up to 330 lbs
Heat retention	75% of firewood heat energy
Firebox	Extended — external loading from adjacent room
Construction	Patent-pending heat circulation design
Certification	BImSchV — German Federal Emissions Standard
Warranty	5-year limited (excluding elements)

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5-Year Limited Warranty. Excluding elements. Contact us for full warranty terms and conditions.

HUUM HIVE Flow LS — User ManualView PDF

🚚 Estimated delivery within 10 business days from date of shipment. Shipping costs calculated at checkout.

For international destinations, shipping is assessed case by case. Contact us before ordering.

🎬 HUUM HIVE Flow LS — In Action

🪵 Wood-Burning · 🔥 9.5 kW · ♻️ 75% Heat Retention · 🚪 External Firebox · 🪨 330 lbs Stones · ✅ BImSchV · 🛡️ 5-Year Warranty

HUUM HIVE Flow LS — Load From Outside. More From Every Log. 🔥

Wellness & Retailer Disclaimer
Wellness benefits referenced on this page are for informational purposes only. Individual results may vary. These statements have not been evaluated by the FDA. Products are not intended to diagnose, treat, cure, or prevent any disease. FR33DOM Wellness is an independent retailer — product brands are trademarks of their respective owners. No official partnership or endorsement is claimed unless explicitly stated. Products are fulfilled by authorised suppliers on behalf of FR33DOM Wellness.