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HUUM HIVE Flow Mini 8.5 kW Wood-Burning Sauna Heater

$2,898

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The HUUM HIVE Flow Mini is a highly efficient 8.5 kW wood-burning sauna stove — 75% of the fire’s heat goes into your sauna, not up the chimney. For rooms 212 to 494 cu ft, with a 231 lb stone capacity. Made in Estonia.

Categories: , Brand: Product ID: 49568

Description

One of the most efficient wood stoves made

The HIVE Flow Mini’s innovative design keeps 75% of the firewood’s heat inside your sauna instead of losing it up the chimney — one of the most efficient, environmentally sustainable wood-burning sauna stoves available. Sized for rooms from 212 to 494 cu ft.

Deep heat, real steam

A 231 lb stone capacity holds a soft, consistent high heat with generous steam — an authentic wood-fired sauna with none of the wiring.

Simple, elegant, off-grid

Precision-crafted in Estonia. A chimney connection is required for operation.

Required sauna stones (7 boxes) sold separately. Chimney connection required.

Specifications

  • Power: 8.5 kW
  • Fuel: wood
  • Room size: 212–494 cu ft
  • Stone capacity: 231 lb
  • Efficiency: 75% of heat into the room
  • Dimensions: 17.7″W × 21.1″D × 34.8″H
  • Heater weight: 119 lb
  • Warranty: 3-year residential / 1-year commercial

Frequently asked questions

Why is the HIVE Flow so efficient?

Its design directs about 75% of the fire’s heat into the sauna rather than losing it up the chimney.

What size sauna does it suit?

Rooms from 212 to 494 cubic feet.

Do I need anything else?

Yes — 7 boxes of sauna stones, sold separately, plus a compatible chimney/flue.

Features

  • Wood-burning
  • Unique design
  • Economical wood use
  • Low environmental impact
  • Mild and long-lasting steam
  • Innovative patent pending furnace construction
  • BImSchV and CPR certificate for compliance
  • Designed, engineered, and made in Estonia
  • 231-pound stone capacity (required 7 boxes sold separately)
  • Dimensions: 17.7"W (45 cm) x 21.1"D (54 cm) x 34.8"H (88 cm)
  • Limited 3-year residential warranty and 1-year commercial warranty (excluding elements)

Includes

  • Sauna Stove
  • Metal Grate
  • Heat Resistant Glove
  • Splints
  • Metal Fixing Plates (2)
  • Ash Grate
  • Cleaning Hatches (2)
  • Ash Drawer
  • Installation and Operational Manual
  • Limited 3-Year Residential Warranty and 1-Year Commercial Warranty (Excluding Elements)

Specifications

Model HIVE FLOW MINI
Kilowatt Rating 8.5kW
Primary Fuel Wood
Maximum Firewood Length 12" (30 cm)
Minimum Cubic Feet 212
Maximum Cubic Feet 494
Minimum Room Height 75" (191 cm)
Flue Connection Location Top and Back
Heater Weight 119 lbs (54 kg)
Shipping Weight with Sauna Stones 350 lbs (159 kg)
Safety Distance Front to Back See Installation and Operation Manual
Safety Distance Left to Right See Installation and Operation Manual
Width 17.7" (45 cm)
Depth 21.1" (54 cm)
Height 34.8" (88 cm)

Shipping

This sauna heater ships by freight on a wooden pallet, protected in three-ply cardboard, with a scheduled delivery appointment. The carrier handles delivery only and provides limited assistance at the site. Before shipping, we may contact you to confirm the shipment details and discuss any circumstances that could affect delivery.

Sauna accessories can ship together with your heater to save on shipping — consider adding stones, a control, or care products to your order.

For a freight quote or delivery questions, email [email protected] with the heater model number and your full shipping address.

Technical

Product manuals and reference documents (PDF):

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