
Product Information
The HUUM HIVE 18.0kW sauna heater is a floor-mounted unit designed for large saunas up to 1,236 cubic feet, perfect for health clubs, spas, and gyms. It features a 528 lb stone capacity for exceptional heat retention and consistent performance.
Made from durable stainless steel, it ensures longevity and reliability. Precision-crafted in Estonia, it delivers an authentic European sauna experience. SGS certified and backed by a 5-year warranty, it guarantees quality and safety.



Product Features
The HUUM HIVE 18.0kW sauna heater features a sleek stainless-steel design, 528 lb stone capacity, and is ideal for sauna rooms from 636 to 1,236 cu. ft.
It ensures efficient, mild heat with direct stone contact and air tunnel technology for faster heating. SGS certified, it’s crafted in Estonia with a 5-year warranty.

HUUM HIVE Series 18.0kW Sauna Heater
- Stone Capacity: Holds up to 528 lbs of stones (16 boxes required, sold separately).
- Efficient Heating: Direct stone contact with heating elements for optimal heat transfer.
- Milder Heat Output:More exposed stones produce a softer, longer-lasting heat.
- Safety Certification: SGS listed, ensuring high safety and quality standards.
What’s Included?
- 18.0kW Sauna Heater
- Adjustable Legs
- Pre-Installed HIVE Air Tunnel
- Installation and Operation manual
- Limited 5-year warranty (excluding elements)

Additional Features
The HUUM HIVE 18.0kW sauna heater offers adjustable legs for flexible installation on uneven surfaces
and is compatible with UKU controls and extension boxes for seamless operation.
Its industrial-grade stainless steel heating elements ensure durability, while exposed stones provide
softer, longer-lasting heat.
Air tunnel technology reduces heat-up time and prolongs heating element lifespan.

Adjustable Legs
Floor-mounted model with flexible installation on uneven surfaces.

Air Tunnel Technology
Reduces heat-up time and extends the life of heating elements.

Craftsmanship
Designed, engineered, and manufactured in Estonia for premium quality.

Eco-Friendly
Designed with energy efficiency in mind, reducing power consumption while maintaining optimal sauna performance.
About HUUM
HUUM is an innovative Estonian company creating high-quality sauna heaters that blend exquisite design, smart technology, and traditional craftsmanship.
Founded by Siim Nellis, a third-generation sauna stove producer, HUUM draws on decades of expertise and Nordic sauna traditions.
Their award-winning designs, like the DROP heater, prioritize gentle steam, efficiency, and sustainability. Made in Estonia, HUUM brings the authentic sauna experience to the world.


Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
Specifications
Brand | HUUM |
SKU | H1003032 |
Model | HIVE 18 |
Minimum Cubic Feet | 636 CF |
Maximum Cubic Feet | 1236 CF |
Kilowatt Rating (KW) | 18.0kW |
Heater Weight | 53.5 lbs |
240V, Single-Phase Amperage | 75 |
Circuit Breaker | 50 + 50 |
Wire Size AWG | 8 + 8 |
Shipping Weight with Sauna Stones | 581.5 lbs |
Height | 29.5" (750mm) |
Diameter | 22" (560mm) |
Installation and Operational Manual | Hive Heater IOM Hive Air-Tunnel IOM |
HUUM Stone Requirments | Stone Requirements |
HUUM Elements Required | Elements Required |
HUUM Certificate of Compliance | Compliance Certficate |
Sizing Your HUUM | HUUM Size |
Warranty & Returns
Return Policy
Bathing Brands accepts returns of new, uninstalled items within 30 days of purchase. Contact us
promptly for a Return Authorization Number. For shipping damage, include photos and note if damage was
recorded upon delivery. Bathing Brands covers return shipping for damages or errors. For
change-of-mind returns, restocking fees are case-by-case, and customers cover shipping both ways. We
recommend insured shipping via the original method (Ground or LTL). Once returned, items are
inspected, and if damaged, you’ll be notified to file a claim with your shipper. Refunds are processed
after inspection. Custom or special-order items are non-returnable.
To request a return or refund, customers can use our contact form, email
(info@peakprimalwellness.com) , or phone
- (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the
refund, which typically takes 5-7 business days to post back to the original payment method. Refunds
can be applied via the customer’s preferred method, including card or bank transfer. Shipping
instructions and the return address will be provided upon contacting customer service. Please include
photos if the product arrives damaged.
Click here
to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
Can it be used for residential saunas?

Yes, it is suitable for large residential saunas that meet the size requirements.
Is the heater suitable for commercial spaces?

Yes, it is ideal for large saunas in health clubs, spas, gyms, and other commercial settings.
What material is the heater made from?

The heater is constructed from durable, high-quality stainless steel.
Does the heater require a control unit?

Yes, it requires a UKU control or UKU Wi-Fi control unit (sold separately).
How does the air tunnel improve performance?

The air tunnel reduces heat-up time and extends the lifespan of the heating elements.
Does it include adjustable legs?

Yes, it features adjustable legs for easy installation on uneven floors.
What makes it stand out from other sauna heaters?

Its large stone capacity, modern design, air tunnel technology, and European craftsmanship ensure premium performance and durability.