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HUUM HIVE Flow Mini Series 8.5kW Sauna Heater Package

by HUUM
Save $360.00 Save $360.00
Original price $3,699.00
Original price $3,699.00 - Original price $3,699.00
Original price $3,699.00
Current price $3,339.00
$3,339.00 - $3,339.00
Current price $3,339.00
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HUUM HIVE Flow Mini Series 8.5kW Sauna Heater Package

The HUUM HIVE Flow Mini Package is a bundled offering that pairs the 8.5kW HIVE Flow Mini wood-burning sauna stove with 231 lbs of sauna stones (7 boxes) included - the only additional required item at purchase. The package eliminates the separate stone order that would otherwise be needed when purchasing the stove alone, ensuring both components arrive together and the stove is ready to load immediately upon delivery. The HIVE Flow Mini is a floor-mounted wood-burning stove for rooms from 212 to 494 cubic feet, built around a patent-pending furnace design that retains 75% of the heat from firewood inside the sauna rather than losing it through the chimney. CO emissions of 346 mg/m3 and particulate matter of 25 mg/m3 are the lowest in its output category. Safety distances from combustible materials are just 5.9" (150mm) at the sides and 19.7" at the front - no protective sheath required. Steam lasts up to 30 minutes after the fire goes out. A chimney connection and 6" North American flue adapter are required and sold separately - HUUM's Thru-Ceiling, Thru-Wall, and Barrel Chimney Kits are all compatible. Max firewood 11.8" (300mm). BImSchV and CPR certified. 5-year limited warranty (excluding elements). Designed and made in Estonia by HUUM.

What the package adds - stones included, chimney selected separately

The HIVE Flow Mini Package includes the stove and the full stone requirement (231 lbs / 7 boxes) together in a single order. For buyers considering the HIVE Flow Mini stove alone, the stones are a required separate purchase - and selecting, ordering, and coordinating delivery of the stones alongside the stove adds steps to the purchasing process. The package resolves this directly: stove and stones ship together, nothing additional is needed on the stone side before the heater can be installed and fired. The chimney connection is intentionally not included in the package - HUUM offers three chimney kit options (Thru-Ceiling, Thru-Wall, and Barrel) to match different sauna building configurations, and the right choice depends on the specific installation. Selecting the chimney kit separately ensures buyers get the correct configuration for their building rather than a one-size-fits-all bundle that may not match their installation.

Patent-pending Flow furnace - 75% heat retention, 4 sessions per 3 wood loads

The HIVE Flow Mini's patent-pending furnace creates a unique airflow pattern inside the stove that keeps 75% of the heat generated from burning wood inside the sauna. HUUM's statement of the practical consequence: you can enjoy four sessions with the same amount of wood that would typically provide three sauna sessions. This 33% improvement in sessions per wood load is the result of more complete, efficient combustion inside the Flow furnace - and the same combustion efficiency also produces CO at 346 mg/m3 (vs over 1,000 mg/m3 in comparable stoves) and particulate matter at 25 mg/m3, the lowest in its output category. BImSchV (German clean combustion) and CPR certifications confirm these are independently verified values.

231 lbs of stones included - steam up to 30 minutes after the fire

The 231 lbs (105 kg) of sauna stones included in the package fill the HIVE Flow Mini's stone cavity to the required minimum. HUUM describes the heat quality directly: prolonged heat retention and steam that lasts up to 30 minutes after the fire is out. The large stone mass accumulates heat throughout the fire's burn and holds it in the stone thermal mass long after the fire itself has died down. Rounded sauna stones 5-10 cm in diameter are recommended by HUUM for milder steam and better air circulation through the stone bed. Safety distances from combustible materials are just 5.9" (150mm) at the sides - achieved by the Flow furnace design without any protective sheath.

8.5kW wood-burning sauna stove package for rooms from 212 to 494 cubic feet. HIVE Flow Mini Pkg - includes stove and 231 lbs sauna stones (7 boxes). Only additional required items: chimney connection and 6" North American flue adapter (both sold separately). Patent-pending Flow furnace: 75% heat retention - 4 sessions from 3 loads of wood. CO: 346 mg/m3 (vs 1,000+ in comparable stoves). PM: 25 mg/m3 - lowest in category. Safety distances: 5.9" sides (150mm) - no protective sheath required. Steam lasts up to 30 min after fire is out. 5mm top / 3mm sides stainless steel. Large glass door. Top or back flue - 115mm. Max firewood 11.8" (300mm). 6" adapter required for North America (sold separately). Stove dimensions: 17.7"W x 21.1"D x 34.8"H. BImSchV certified - CPR certified. Pallet delivery required. 5-year limited warranty (excl. elements). Designed and made in Estonia by HUUM.
8.5 kW 212 to 494 cu ft Package - stove and 231 lbs stones (7 boxes) included Chimney connection sold separately Patent-pending Flow furnace - 75% heat retention 4 sessions per 3 wood loads CO: 346 mg/m3 - PM: 25 mg/m3 - lowest in category Safety: 5.9" sides - no protective sheath required Steam lasts up to 30 min after fire out 5mm top / 3mm sides stainless steel Large glass door - fire view inside sauna Top or back flue - 115mm - 6" adapter required Max firewood 11.8" (300mm) 17.7"W x 21.1"D x 34.8"H BImSchV certified - CPR certified Pallet delivery required 5-year limited warranty (excl. elements) Designed and made in Estonia by HUUM

Specifications

Package contents

Stove HUUM HIVE Flow Mini 8.5kW wood-burning sauna stove
Stones (included) 231 lbs / 105 kg (7 boxes) - included in package
Chimney connection Not included - sold separately (Thru-Ceiling, Thru-Wall, or Barrel kit)
6" North American flue adapter Not included - sold separately

Performance

Power output 8.5 kW
Fuel type Wood - no electricity required
Room volume 212 to 494 cu ft (6-14 m3)
Stone capacity 231 lbs / 105 kg (7 boxes) - included
Max firewood length 11.8 in (300 mm)
Steam after fire out Up to 30 minutes

Flow furnace efficiency and emissions

Heat retention in sauna 75% of firewood heat stays in sauna
Sessions per wood load 4 sessions vs 3 for conventional stoves
CO emissions 346 mg/m3 (vs 1,000+ mg/m3 in comparable stoves)
Particulate matter 25 mg/m3 - lowest in its category
Certifications BImSchV (German clean combustion) | CPR certified

Safety distances (combustible materials)

Sides and back 5.9 in (150 mm)
Front 19.7 in (500 mm)
Protective sheath required No

Stove dimensions

Width 17.7 in (450 mm)
Depth 21.1 in (537 mm)
Height 34.8 in (884 mm)
Delivery Scheduled pallet freight - appointment required

Construction

Top panels 5 mm thick stainless steel
Sides 3 mm thick stainless steel
Glass door Large - fire view from inside sauna
Ash management Ash drawer included
Cleaning access 2 cleaning hatches included

Flue, certifications, and chimney options

Flue connection diameter 115mm (4.5")
Flue connection position Top or back - selected during installation
North American adapter 6" (155mm) adapter required - sold separately
Chimney - thru-ceiling HUUM Thru-Ceiling Chimney Kit (sold separately)
Chimney - thru-wall HUUM Thru-Wall Chimney Kit (sold separately)
Chimney - barrel sauna HUUM Barrel Chimney Kit (sold separately)
Certifications BImSchV (German clean combustion) | CPR certified
Origin Designed, engineered, and made in Estonia by HUUM
Warranty 5-year limited warranty (excluding elements)

What's included

HUUM HIVE Flow Mini 8.5kW wood-burning sauna stove
231 lbs sauna stones (7 boxes) - included in package
Metal grate
Heat resistant glove
Splints
Metal fixing plates (x2)
Ash grate
Cleaning hatches (x2)
Ash drawer
Installation and operation manual
5-year limited warranty (excluding elements)

Required (not included): Chimney connection - choose HUUM Thru-Ceiling, Thru-Wall, or Barrel Chimney Kit based on installation type; 6" North American flue adapter (115mm to 6"). Optional accessories (sold separately): HUUM Protective Floor Plate (for combustible floors); HUUM stone cage (additional stone capacity). A licensed chimney professional is recommended for all flue installations.


Why the HUUM HIVE Flow Mini Package stands out

Stove and stones together - one order, ready to install

The HIVE Flow Mini Package includes the 231-lb stone requirement alongside the stove in a single order. For a first-time installation where every component needs to be sourced and coordinated, having the stones pre-bundled means one fewer separate order to place, one fewer delivery to schedule, and one fewer compatibility check to perform. The stones are the correct HUUM specification for the HIVE Flow Mini - rounded 5-10 cm sauna stones that complement the Flow furnace design and produce the mildest steam quality from the stone mass. Both stove and stones ship together on the pallet delivery.

Chimney selected separately - right fit for every installation

HUUM intentionally excludes the chimney kit from the package so that each buyer selects the correct configuration for their specific sauna building. HUUM offers three chimney kit options: Thru-Ceiling (for installations where the flue rises vertically through the roof - the most common configuration in stand-alone sauna buildings), Thru-Wall (for installations where the flue exits through a wall), and Barrel (specifically for barrel sauna installations). These are meaningfully different in their routing and component composition. Bundling a specific chimney kit into the package would mean many buyers receiving a configuration that does not match their building. Selecting separately ensures the right kit every time.

Flow furnace - 75% heat retention, 4 sessions per 3 wood loads

The patent-pending Flow furnace keeps 75% of the heat from burning wood inside the sauna rather than escaping through the chimney. HUUM's statement of the practical result: four sessions from the wood that typically gives three - a 33% improvement in sessions per unit of firewood. CO emissions of 346 mg/m3 and particulate matter of 25 mg/m3 are independently certified by BImSchV and CPR - the lowest emission values in the HIVE Flow Mini's output category. These are the same performance numbers whether the stove is purchased as the package or individually - the package changes only what ships together, not the stove's performance.

5.9" side clearances - no sheath needed

The HIVE Flow Mini requires just 5.9" (150mm) at the sides and back from combustible materials - achieved by the Flow furnace design without any protective sheath or additional accessory. For a sauna room in the 212-494 cu ft range where bench placement close to the stove is a priority, 5.9" side clearances give meaningful layout flexibility compared to conventional stoves requiring 200-500mm. The front clearance is 19.7" (500mm). These clearances apply equally to the package and the stove-only listing - they are a property of the stove's Flow furnace design, not the package configuration.

231 lbs of stones - up to 30 minutes of steam after the fire

The 231 lbs of sauna stones included in the package fill the HIVE Flow Mini's stone cavity to the required minimum. HUUM describes the heat performance: prolonged heat retention and steam that lasts up to 30 minutes after the fire is out. The large stone mass accumulates heat during the fire and releases it steadily into the sauna room after the fire dies - making the stone thermal mass, rather than the fire itself, the primary heat source during the session. Rounded 5-10 cm stones are recommended for milder steam and better air circulation through the stone bed.

HIVE Flow Series - package and stove-only configurations

The 128269 package SKU bundles the HIVE Flow Mini H1017012 stove with stones. The HIVE Flow Series covers four configurations of the same patent-pending Flow furnace: HIVE Flow Mini H1017012 (8.5kW, 212-494 cu ft, interior firebox), HIVE Flow Mini LS H1018012 (8.5kW, exterior firebox through wall, glass door faces adjacent room), HIVE Flow H1015012 (9.8kW, 282-635 cu ft, interior firebox), and HIVE Flow LS H1016012 (9.8kW, exterior firebox). All four share the patent-pending furnace, 75% heat retention, CO 346 mg/m3, PM 25 mg/m3, 5.9" side clearances, BImSchV and CPR certifications, and 5-year limited warranty. Designed and made in Estonia by HUUM. We are an authorized HUUM dealer.


About HUUM

HUUM HIVE Flow Mini Package 128269 8.5kW wood-burning sauna stove with 231 lbs stones 212-494 cu ft 75% heat retention
Designed in Estonia - BImSchV Certified - HIVE Flow Series - Package with Stones

HUUM HIVE Flow Mini Package. 8.5kW. 212-494 cu ft. Stove and 231 lbs stones included. 75% heat retention.

HUUM is an Estonian sauna heater company. The HIVE Flow Mini Package is the HIVE Flow Mini 8.5kW stove with 231 lbs of sauna stones (7 boxes) included - no separate stone order needed. Patent-pending Flow furnace: 75% heat retention, CO 346 mg/m3, PM 25 mg/m3, 5.9" side clearances. Chimney connection and 6" flue adapter required and sold separately. Pallet delivery. We are an authorized HUUM dealer.

  • 8.5kW wood-burning - 212-494 cu ft - Flow furnace - stones included
  • 231 lbs stones (7 boxes) included - no separate stone order needed
  • 75% heat retention - CO 346 mg/m3 - PM 25 mg/m3 - BImSchV certified
  • 5.9" side clearances - no sheath - steam up to 30 min after fire
  • Chimney and 6" adapter sold separately - 5-year warranty (excl. elements)
HIVE Flow Mini Pkg vs HIVE Flow Mini vs HIVE Flow Pkg - package selection guide

HIVE Flow Mini Pkg vs HIVE Flow Mini stove only - package vs individual purchase

Two purchasing options exist for the HIVE Flow Mini 8.5kW stove. HIVE Flow Mini H1017012 (stove only): HIVE Flow Mini stove with all hardware items (metal grate, glove, splints, fixing plates, ash grate, cleaning hatches, ash drawer, IOM), stones and chimney sold separately. Right when the buyer already owns compatible sauna stones, is sourcing stones independently, or prefers to purchase components individually. HIVE Flow Mini Package 128269 (this listing): same HIVE Flow Mini stove plus 231 lbs sauna stones (7 boxes) included. Stove and stones arrive together on the same pallet. Chimney connection and 6" adapter still sold separately for the correct installation-specific configuration. Right for a first-time installation where ordering both the stove and the full stone requirement in a single transaction simplifies the purchasing process. Both options share identical stove performance, Flow furnace efficiency, emission certifications, safety distances, and 5-year warranty. The package's only addition over the stove-only listing is the 231 lbs of pre-selected stones.

HUUM HIVE Flow Mini Package stove plus stones vs stove-only purchase option - what the package adds vs individual purchase

Manuals and Documents

Installation and Operation Manual
Installation and Operation Manual (PDF)
Stone Requirements
Stone Requirements (PDF)

Warranty

5-year limited warranty (excluding elements)

The HUUM HIVE Flow Mini carries HUUM's 5-year limited warranty from the date of purchase. The warranty covers defects in manufacturing and materials under normal use and maintenance conditions. Heating elements are excluded from the 5-year term and carry a separate warranty period per the warranty document. The warranty does not cover damage caused by improper installation, failure to follow the installation and operating guidelines, use of unsuitable sauna stones (decorative stones must not be used as they can break under heat), operating without the required stone load, or chimney-related damage from inadequate maintenance. A licensed chimney professional is recommended for all flue installation and regular chimney sweep maintenance. Proof of purchase from an authorized HUUM dealer is required for warranty claims. We are an authorized HUUM dealer.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Restock fees will be deducted in amounts ranging from 15% to 25% of the value of the item being returned. The minimum restock fee on lower-value orders will be $15.
To start a return, you can contact us at support@mediriser.com

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At Mediriser, we are dedicated to offering you the most competitive prices online. We maintain strong partnerships with our suppliers to establish minimum advertised pricing guidelines for all our competitors. This means that every other online store selling the same product is expected to offer it at the same price.

Price Match Guarantee

If, within 14 days of your purchase, you discover another online store offering a lower price for the same product, please bring it to our attention. We will promptly contact the brand to ensure they comply with the minimum advertised price policy. If you qualify for a refund, we will credit the price difference back to your credit card.

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We want you to shop with absolute confidence, knowing that you are receiving the best possible price for the product. If you find that our own website has reduced the price of the item you ordered within 14 days of your purchase, we will also refund the price difference.

Requesting Your Partial Refund

To request a partial refund, simply follow these steps:

Email us at support@mediriser.com with links to the product on both our website and the other dealer's website where you found the price difference.

Ensure that you make this request within 14 days from the date of your order.

We will process the credit accordingly and ensure that you receive the best deal possible.

Limitations of Our Price Match Guarantee

While we are committed to providing competitive pricing, our Price Match Guarantee does come with certain limitations:

You must purchase the item from our website before requesting the Price Match Guarantee.

Promotions such as rebates, holiday sales, and "buy one, get one free" offers do not qualify.

The item must be in stock on the competitor's website and be sold as brand new.

The competitor must be an online store and may not have a physical retail location.

The website in question cannot be a discounter or auction site (e.g., eBay, Overstock, Walmart, Amazon, etc.).

The competitor must be an Authorized Retailer of the product.

Our Price Match Guarantee includes both the item price and shipping charges but excludes sales tax.

Contact Us for Price Match Inquiries at support@mediriser.com

If you have any questions or wish to confirm whether we can price match a product before making your purchase, please reach out to us. We are here to assist you in securing the best deals on the products you need. Your satisfaction and savings are our top priorities at Mediriser.

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