HUUM Wood Burning Sauna Stove Review (Hive Heat 12LS and Hive Wood 17LS)

Interior of a traditional sauna with wooden benches, and a warmly lit ambience with images of two HUUM Hive Series wood burning sauna stoves with visible flames in the foreground.

Our reviews are 100% independent and unbiased. When you buy through links on our site, we may earn an affiliate commission as an Amazon affiliate at no extra cost to you. This supports our work but does not influence our reviews or product selections. Your trust is important to us.

You’re likely aware that the market for wood-burning sauna stoves is diverse, making it challenging to find the perfect heater—one that balances efficiency, sustainability, and sleek design.

Being a sauna enthusiast and an expert in this field, I’ve had the pleasure of experiencing the HUUM Hive wood-burning sauna stove series firsthand. This experience ended my search for that perfect heater.

Today, I’m excited to share my expert insights on the HUUM Hive Heat 12 LS and Hive Wood 17 LS sauna stoves. Both models offer all the qualities needed to elevate your sauna experience to a paradise of perfectly warm temperatures.

It’s important to note that the HUUM Hive Wood 17LS is essentially a bigger version of the Hive Heat 12LS. That’s why I am reviewing both of them together.

In this HUUM Wood Burning Sauna Stove REVIEW, I’ve tried to cover everything to ensure you won’t need to look further.

Key Takeaways

In a hurry? Here are the quick highlights of the HUUM Hive Series:

  • Efficient Heating: Capable of reaching optimal sauna temperatures quickly while maintaining consistent temperatures with minimal energy waste.
  • Eco-Friendly Operation: Advanced combustion technology significantly reduces wood use and emissions, adhering to BimSchV II standards.
  • Extended Firebox Options: These LS versions feature an extended firebox allowing for external wood loading, a convenience you’ll appreciate.
  • Robust and Elegant Construction: With premium materials and a large glass window, these sauna stoves are both functional and aesthetically pleasing.
  • Safety Features: Equipped with protective bedding and heat reflectors, these models ensure a safe experience by minimizing fire hazards.
  • Considerations: The higher initial investment and the need for professional installation may not be suitable for all.


  • Brand value: HUUM is one of the top sauna brands in the world
  • Made in Estonia
  • Design: Blend of tradition and modern design.
  • Dimensions: 25.2 x 17.8 x 29.6 inches
  • Heater Weight: 147.7 lbs.
  • Stone Capacity: 198 lbs.
  • Sauna Capacity: 212-459 cubic feet
  • Wood can be inserted from the outside.
  • Warranty: 5 years

Key Specifications

FeatureHUUM Hive Heat 12 LSHUUM Hive Wood 17 LS
Thermal Output12 kW17 kW
Sauna Capacity212 – 459 cu ft.310 – 680 cu ft.
Stone Capacity198 lbs287 lbs
Weight147.7 lbs170 lbs
Dimensions25.2 x 17.8 x 29.6 inches29.1 x 21.9 x 29.6 inches
Warranty5 years5 years


  • Brand value: HUUM is one of the top sauna brands in the world
  • Made in Estonia
  • Design: Blend of tradition and modern design.
  • Dimensions: 29.1 x 21.9 x 29.6 inches
  • Heater Weight: 170 lbs.
  • Stone Capacity: 287 lbs.
  • Sauna Capacity: 283-565 cubic feet
  • Wood can be inserted from the outside
  • Warranty: 5 years

Pros / Features & Performance Overview

In my comprehensive roundup of the top wood-burning sauna stoves in 2024, the HUUM Hive Heat 12 LS and Wood 17 LS models emerged as the top contenders, securing the number one and three spots, respectively.

Curious to know about which heater took the number two spot in our list? It’s the Harvia Legend 240SL. Read our in-depth review of the Harvia Legend 240SL Sauna Heater.

Let’s dive into what makes these heaters lead the pack and define the gold standard for sauna enthusiasts:

1. In-Depth Design and Build Quality Analysis

The HUUM Hive Heat 12 LS and Wood 17 LS models are exemplary in their construction.

  • Made from premium stainless steel with cast iron doors, these heaters are durable, rust-resistant, and built to last.
  • The feature of loading wood from outside the sauna room via the extended firebox is particularly beneficial, as it keeps the interior clean and reduces heat loss when refueling.
  • Additional rock cages to add even more rocks: The Hive Wood 17LS allows for the addition of up to three rock cages, which can be placed around the chimney. This increases the stone capacity by an additional 88 lbs, enhancing heat distribution and retention.
  • The large glass windows are not just for show; they allow users to enjoy the mesmerizing view of crackling flames, enhancing the traditional sauna experience.
  • Enhanced Safety Features: Equipped with protective bedding and heat reflectors to safeguard against fire hazards.
  • Installation options: Provides options for installing the chimney through the wall or ceiling, fitting various building designs.
  • Ash Management: Features an ashtray that makes cleanup a breeze—simply slide it out to quickly dispose of ash and debris.
  • Both come with a 5-year warranty, which speaks volumes about the HUUM brand and provides you with peace of mind.

Each model’s design is thoughtfully crafted to blend with both rustic and modern sauna interiors.

2. Detailed Heating Performance and Efficiency

Heating performance is where HUUM truly excels.

  • What sets these models apart is their ability to heat up quickly and maintain consistent temperatures with minimal wood input.
  • This has been made possible by their advanced airflow systems and high stone capacities, which effectively store and radiate heat.
  • Both models are capable of heating the sauna space efficiently, reaching desired temperatures in less than an hour.

3. Eco-Friendly Features and Benefits

Sustainability is at the heart of the HUUM Hive wood-fired sauna stove design.

  • These models operate under stringent environmental standards, reducing wood consumption by about 25% without compromising on heat output.
  • This efficiency is achieved through a sophisticated and innovative airflow system that enhances the burn cycle, ensuring that more heat is retained and less smoke is produced.
  • Environmental Compliance: Both heaters meet the stringent BimSchV II standards for low emissions, making them an eco-friendly choice.
Middle-aged man sitting serenely in a sauna, arms crossed and eyes closed, in a well-lit wooden interior, exemplifying relaxation and heat therapy.


  • Initial Cost: The upfront cost of the HUUM Hive Series is higher compared to some other models on the market, which might be a consideration for budget-conscious buyers.
  • Complex Installation: While installation guidance is clear, the process can be complex due to the heaters’ advanced features and size. You may need Professional installation, adding to the overall cost.
  • Require Planning and Budgeting: The higher initial investment and the need for professional installation means that these models are not ‘plug-and-play’ solutions.
  • Watch your floor: This stove might leave scorch marks or cause damage to easily flammable floors without proper protection. You might need to invest in protective bedding or consider adjusting your sauna’s floor layout.
  • You might need to adjust the air holes (Hive Heat 12LS sauna stove) to control the fire. This could be a hassle if you prefer more hands-off, set-it-and-forget-it gadgets.

Risks and Precautions

While the HUUM Hive wood-burning sauna stoves are generally safe and reliable, it’s important to adhere to all safety guidelines:

  • Always ensure that the installation space complies with safety standards for clearance and ventilation.
  • Ensure the installation is handled by a qualified technician.
  • Regular maintenance checks are required to keep the heater in optimal condition and to prevent any safety hazards.
  • To maintain peak performance and ensure safety, these heaters require regular cleaning of ash and checking of air vents to prevent blockages.

My Experience

My personal experience with the HUUM Hive Heat 12LS has been overwhelmingly positive. Based on that, I’ve ranked it number 2 in my roundup review article on the top sauna heaters in 2024.

First Impressions

  • Unboxing the HUUM Hive Heat 12LS was a delight.
  • The craftsmanship is immediately apparent, with their robust construction and elegant design speaking volumes about their quality.

The Setup Process

  • Installation was smooth, with detailed instructions provided.
  • However, consulting with a professional was crucial to ensure the correct setup.

The Experience

  • The first heating test was impressive. The Hive Heat 12 LS quickly reached the desired temperature, enhancing the overall sauna experience with its efficient heat distribution.
  • The aroma of burning wood, combined with the visual pleasure of the fire through the glass window, creates an ambiance that is both relaxing and invigorating.
  • Regular cleaning of the ashtray and checking the air vents are all it takes to keep the heater in top condition.
Cozy sauna setting featuring wooden benches with scattered candles providing soft light, and a traditional sauna bucket with ladle, inviting a tranquil spa experience.


  • Over several months of use, the reliability of the Hive Heat 12LS stood out.
  • It consistently delivered excellent performance with minimal maintenance required.

My Personal Views & Recommendations


  • The HUUM Hive wood-fired sauna stoves offer outstanding performance and aesthetic appeal but come with their own set of considerations.
  • They are ideal for those who value environmental sustainability and long-term efficiency in their sauna experience.


  • The higher initial investment and the need for professional installation mean that these models are not ‘plug-and-play’ solutions and require planning and budgeting.
  • Regular maintenance and wood consumption for the Wood 17 LS could add to the operational costs, a critical factor to consider for daily or very frequent use.


  • HUUM Hive Heat 12 LS is particularly suited for medium-sized saunas and is excellent for those who want quick heating times without a significant wait.
  • HUUM Hive Wood 17 LS is better suited for larger spaces due to its higher power output and larger size, making it a good choice for commercial settings or larger home saunas.


The HUUM Hive Series takes wood-burning sauna stoves to the next level by blending age-old sauna traditions with today’s tech.

My own time with these heaters has been game-changing—they don’t just heat up the place; they turn it into a refreshing retreat.

If you’re thinking about getting a wood-burning sauna stove that delivers not only on power but also on green practices and safety, the HUUM Hive Series is a solid bet.

From someone who’s been around the sauna block, this review lays out everything you need to know about the HUUM wood-burning sauna stoves to make a choice that’ll amp up your sauna experiences for a long time.

Quick to heat, easy on the planet, and packed with safety features, these heaters are built to impress and last.

If you’re convinced that the HUUM Hive Series could be the game-changer for your sauna sessions, why not experience it for yourself? Explore the HUUM Hive Series Now!



Download your guide to serene living now.
Plus, stay on top of the latest sauna trends and exclusive offers!

Similar Posts


Leave a Reply

Your email address will not be published. Required fields are marked *