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Description
The Huum Hive Flow is a 9.8kW wood-burning sauna stove, designed and built in Estonia. Its stone-clad body radiates heat from every surface instead of just the top, and the internal flow design moves heat evenly through the stones, so there is no hot zone right above the firebox.
Efficiency
It is efficient on wood for its output and meets the German BImSchV emissions standard, one of the stricter European requirements for solid fuel appliances. A glass firebox door lets you see the fire.
Specifications
- Output: 9.8kW
- Room size: up to 635 cu ft
- Fuel: wood
- Door: glass
- Emissions: meets German BImSchV standard
- Warranty: 30-day limited warranty against manufacturing defects
- Stones included
- Made in Estonia
Compare Huum wood stoves
See the comparison table on this page, or the Hive Flow LS, which adds a firebox extension for loading from the next room. Browse all sauna heaters.
Specifications
| Output | 9.8kW |
|---|---|
| Room size | up to 635 cu ft |
| Fuel | wood |
| Door | glass |
| Emissions | meets German BImSchV standard |
| Warranty | 30-day limited warranty against manufacturing defects |
| Details | Stones included |
| Details | Made in Estonia |
Specifications from the manufacturer. Dimensions are approximate.
Shipping
We ship to the 48 contiguous U.S. states and Washington, DC. Your shipping cost is calculated at checkout and shown before you pay.
You will get an order confirmation right away and tracking by email when your order ships. Questions about timing for a specific item? Call (945) 280-3243 or email support@restoresuite.com before you order.
Delivery
Large items such as saunas, hot tubs and cold plunge tubs usually ship by freight. The carrier contacts you to schedule delivery. Please check the packaging and note any damage on the delivery receipt before you sign, then tell us within 48 hours so we can resolve it for you.
Before delivery day, measure doorways and hallways along the path to the install spot, and confirm the electrical requirement on the Specifications tab.
Warranty
30-day limited warranty against manufacturing defects
If this item has a manufacturing defect within 30 days of purchase, contact us with your order number and a photo or video of the issue and we will make it right.
Reviews
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Manuals and documents
Official Huum documents for this model. Opens as a PDF.

Why this heater
A 9.8kW stone-clad Estonian wood sauna stove that radiates heat from every surface. Glass door, stones included.
- Stone-clad body radiates heat from every side, not just the top.
- Meets the German BImSchV emissions standard.
- Glass firebox door.
- For rooms up to 635 cu ft, stones included.

Key specs at a glance
The numbers to check before you order. Full details are on the Specifications tab.
- Room size
- up to 635 cu ft
Before you buy: what to know
Based on the manufacturer's specs, manuals and our research.
- The Hive Flow is 9.8kW for rooms up to 635 cu ft, and stones are included. Its stone-clad body radiates from every surface, so there is no hot zone right above the firebox.
- It meets the German BImSchV emissions standard, one of the stricter European requirements for solid fuel appliances, and is built in Estonia.
- If you would rather load from the next room, the Hive Flow LS is the same 9.8kW stove with a firebox extension.
- Clearances and the chimney run come from the Huum installation and user manual. Check local code and your insurer before you build around a wood stove.
- It carries a 30-day limited warranty against manufacturing defects, and the glass firebox door lets you watch the fire from the bench while the room comes up to heat.
Not sure this is the right fit? Ask us or call (945) 280-3243.
Compare Huum models
Swipe to compare 4 models
Huum Drop Wall Mount Sauna Heater with UKU Controller & StonesFrom $2,716.00
- Stone capacity
- 122 lb
Huum Hive Flow Mini 8.5kW Wood-Burning Sauna Stove with Ash Drawer & Sauna Stones$3,339.00
Common questions
What room size is it for?
Are stones included?
What is BImSchV?
Where is it made?
Choosing the right setup can be tricky. We are here to help.
Tell us your space, power and how you plan to use it, and we will help you compare models honestly, including whether this one is the right fit.
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