HUUM STEEL Mini 3.5kW Sauna Heater - Compact Stainless Steel Design for 71-141 Cubic Feet
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Product Information
The HUUM STEEL Mini 3.5kW sauna heater is a compact, wall-mounted unit ideal for small sauna rooms up to 212 cubic feet. Its sleek design ensures modern aesthetics, while its short safety distances allow space-efficient installation.
Featuring an exceptionally large rock capacity, it delivers consistent heat and ample steam. Crafted for superior performance, it enhances the sauna experience. Ideal for residential or small commercial use, it combines efficiency with elegance.
Precision-engineered for quality and durability.
Product Features
The HUUM STEEL Mini 3.5kW features a sleek wall-mounted design, 133 lb stone capacity, and heats sauna rooms from 123–212 cu. ft.
Its air duct system speeds up heating by 25%, while exposed stones provide softer, longer-lasting heat.
Made of durable stainless steel, it’s crafted in Estonia and comes with a 5-year warranty.
Compact and Slender Design
Heating Efficiency
Commercial-Grade Performance
Control Compatibility
HUUM STEEL Mini Series 3.5kW Sauna Heater
- Stone Capacity: Holds 133 lbs of stones (4 boxes required, sold separately) for consistent, soft heat.
- Direct Stone Contact: Ensures efficient heat transfer and longer-lasting, milder heat.
- Safety Distances:Exceptionally small, allowing flexible and space-saving installation.
- Material: Durable stainless-steel construction with industrial-quality heating elements.
What’s Included?
- 3.5kW sauna heater
- Wall fastening bracket
- Installation and Operation manual
- Limited 5-year warranty (excluding elements)
Additional Features
The HUUM STEEL Mini 3.5kW heater offers fast heating with an internal air duct, reducing warm-up time by
25%.
Its compact wall-mounted design fits small saunas efficiently, while the 133 lb stone capacity ensures
consistent and mild heat.
With small safety distances, stainless-steel durability, and Estonian craftsmanship, it’s ideal for
residential or limited-space saunas.
Installation Type
Wall-mounted design for efficient use of space.
Energy Efficient
Optimized design minimizes energy consumption while maintaining superior performance.
Enhanced Steam Capability
Large stone capacity provides ample steam for a superior sauna experience.
Customizable Operation
Compatible with UKU controls for personalized sauna settings.
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 | H10072001 |
| Model | STEEL Mini 3.5 |
| Minimum Cubic Feet | 123 CF |
| Maximum Cubic Feet | 212 CF |
| Kilowatt Rating (KW) | 3.5 KW |
| Heater Weight | 32 lbs |
| Shipping Weight with Sauna Stones | 165 lbs |
| Dimension (W x D x H) | 12.6" W (320mm) x 6" D (150mm) x 38.4" H (975mm) |
| Installation and Operational Manual | Steel Heater IOM |
| Spec Diagram | Steel Heater Diagram |
| 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
What makes this heater ideal for small saunas?
Its compact, wall-mounted design and small safety distances make it perfect for limited spaces.
How fast does it heat up?
The internal air duct system allows it to heat up to 25% faster.
Does it provide consistent heat?
Yes, the large stone capacity ensures even heat and ample steam capability.
What material is it made from?
It is crafted from high-quality stainless steel for durability and performance.
What type of heat does it produce?
It delivers soft, consistent heat with more exposed stones for a milder experience.
Can it be installed on any wall?
Yes, its compact design allows installation on most walls, provided safety clearances are met.
How much space is required around the heater?
The heater has exceptionally small safety distance requirements, saving space.
