HUUM HIVE Flow LS 9.8kW Wood-Burning Sauna Heater Package
A 9.8kW HUUM HIVE Flow LS wood-burning heater package — retains 75% of firewood's heat for less wood burned and longer, softer sessions.
- Retains 75% of firewood's heat — less wood, longer sessions.
- 330 lbs of olivine stones included for deep, consistent steam.
- Chimney kit, floor bed, and stones bundled — no separate sourcing needed.
See What People Are Saying…
“This has completely transformed my workspace. The natural light is a game changer!”
“Built it in a weekend with my brother. Glass front is the move — feels like a real room, not a closet.”
“I love the design and how easy it was to set up. Highly recommend for any home owner.”
- Description
- Features
- What's Included?
- Specifications
- Documents
- Warranty
HUUM HIVE Flow LS Sauna Stove Package with Firebox Extension
Maximize heat efficiency, minimize wood consumption, and enjoy a superior sauna experience. The HUUM HIVE Flow LS Sauna Stove with Firebox Extension is designed to retain 75% of the heat from burning firewood, ensuring that more warmth stays in your sauna instead of escaping through the chimney. This translates to lower wood consumption, a more sustainable heating solution, and a sauna experience that delivers mild, long-lasting steam for ultimate relaxation.
Built for sauna rooms ranging from 282 to 635 cubic feet (CF), the HIVE Flow LS combines innovative engineering with timeless craftsmanship, making it one of the most efficient and environmentally friendly wood-burning sauna heaters on the market.
Key Benefits:
✔ More Heat, Less Waste – Retains 75% of firewood’s heat for better sauna performance.
✔ Economical & Eco-Friendly – Burns wood efficiently, reducing fuel costs and emissions.
✔ Mild & Lasting Steam – Optimized heat distribution creates a softer, more enjoyable sauna experience.
✔ Durable & High-Capacity – Holds up to 330 lbs of sauna stones for consistent, radiant heat.
✔ Designed for Through-Wall Installations – Firebox extension allows for loading wood from outside the sauna.
✔ Premium Craftsmanship – Designed, engineered, and made in Estonia with high-quality materials.
✔ Certified for Safety & Performance – Complies with BImSchV emission standards for peace of mind.
HIVE Flow 9.8kW Wood-burning Sauna Heater
- Wood-burning
- Firebox extension
- Unique design
- Economical wood use
- Low environmental impact
- Mild and long-lasting steam
- Innovative patent pending furnace construction
- BImSchV Certificate for HUUM Hive Flow compliance
- Designed, engineered, and made in Estonia
- For sauna rooms from 282 to 635 cu. ft.
- 330 pound stone capacity (required 10 boxes sold separately)
- Dimensions: 20.7"W (526mm) x 29.5"D (750mm) x 34.8"H (884mm)
- Limited 3-year warranty (excluding elements)
Stones 24
- HUUM 2-4" rounded olivine sauna stones
- Rounded shape to complement heater design
- Durable with high-heat capacity
- Stones range from 2" to 4" (5-10 cm)
Huum Protective Bed
- For HIVE Series Sauna Stoves
- Dark grey to blend with the stove
- Helps protect floor and heated flooring
- Designed, engineered, and made in Estonia
- Dimensions: 19.7"W (500mm) x 19.7"D (500mm) x .2"H (5mm with leg / 3.5mm without leg)
- Limited 3-year warranty
| HUUM Thru-Angled Ceiling Chimney Kit | HUUM Thru-Wall Chimney Kit | HUUM Thru-Flat or Curved Ceiling Chimney Kit | HUUM Thru-Wall Backside Connection Chimney Kit |
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Compatible with all HUUM wood sauna stoves Constructed of stainless steel Mounts in vertical position Works with smaller spaces Designed, engineered, and made in Estonia Limited 3-year warranty |
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HIVE Flow 9.8kW Wood-burning Sauna Heater
- Sauna Stove
- Metal Grate
- Heat Resistant Glove
- Splints
- Metal Fixing Plates (2)
- Ash Grate
- Cleaning Hatches (2)
- Ash Drawer
- Installation and Operational Manual
- 3-Year Limited Warranty (Excluding Elements)
Stones 24
- 330 lbs of 2" - 4" (5-10 cm) Round Olivine Sauna Stones
Huum Protective Bed
Chimney Kit (Type of kit varies by selected option)
| HUUM Thru-Angled Ceiling Chimney Kit | HUUM Thru-Wall Chimney Kit | HUUM Thru-Flat or Curved Ceiling Chimney Kit | HUUM Thru-Wall Backside Connection Chimney Kit |
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HUUM HIVE Flow LS Sauna Stove Specifications
| Model | HIVE Flow LS |
|---|---|
| Kilowatt Rating | 9.8kW |
| Primary Fuel | Wood |
| Maximum Firewood Length | 16" (400mm) |
| Minimum Cubic Feet | 282 |
| Maximum Cubic Feet | 635 |
| Minimum Room Height | 75" (1905mm) |
| Flue Connection Location | Top, Back |
| Heater Weight | 161 lbs |
| Shipping Weight with Sauna Stones | 491 lbs |
| Safety Distance Front to Back | 55.5" (1410mm) |
| Safety Distance Left to Right | 33" (826mm) |
| Width | 20.7" (526mm) |
| Depth | 29.5" (750mm) |
| Height | 34.8" (884mm) |
Safety Distance
