HUUM Steel Mini 3.5kW Sauna Heater Package - Compact, Durable, Smart Control Ready
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Product Information
The HUUM STEEL Mini 3.5kW sauna heater package is designed for sauna rooms up to 212 cubic feet (CF), providing an efficient and stylish heating solution. This complete package includes the STEEL Mini 3.5kW heater, UKU control (WiFi optional), and sauna stones for a seamless sauna experience.
The compact design allows for easy installation while maintaining powerful heat output. Made from high-quality stainless steel, it ensures durability and longevity.
The UKU control system offers convenient temperature adjustments and an optional WiFi feature for remote access. This package is perfect for creating a modern, efficient, and enjoyable sauna experience.
Product Features
The HUUM STEEL Mini 3.5kW sauna heater features a slender stainless steel design, fast heating (25% faster), and a 133-pound stone capacity for efficient and mild heat.
The UKU control offers WiFi compatibility, multiple settings (temperature, delay, smart heating), and safety features like a door sensor and child lock.
Sleek, modern design
331 lb stone capacity
Temperature range
Energy-efficient design
HUUM STEEL Mini 3.5STU Pkg STEEL Mini Series 3.5kW Sauna Heater Package
- Overheat Protection: Features overheat protection for added safety during sauna operation.
- Olivine Diabase Stones: Designed specifically for high heat capacity and durability.
- Estonia Craftsmanship: Designed, engineered, and manufactured in Estonia with a focus on quality and efficiency.
- Multi-Language Support: UKU control offers eight language options for user-friendly operation worldwide.
What’s Included?
STEEL Mini 3.5kW Sauna Heater
- 3.5kW sauna heater
- Wall fastening bracket
- Installation and operation manual
- 5-Year limited warranty (excluding elements)
UKU Control
- Black Control console
- Main control module
- Temperature sensor
- Door sensor
- Control display panel cable
- Temperature sensor cable
- Door sensor cable
- Installation and operation manual
- 5-Year limited warranty
Stones 12
- 132 lbs of 1" to 2" (3-5 cm) round Olivine sauna stones
Additional Features
The HUUM STEEL Mini 3.5kW sauna heater offers a compact wall-mounted design, industrial-quality heating
elements, and small safety distances for space efficiency.
It features direct contact between stones and heating elements for enhanced heat distribution.
The UKU control provides WiFi compatibility, multiple language options, overheat protection, delayed
start (up to 48 hours), and smart heating settings.
Faster Heating
Heats up 25% faster due to an integrated internal air duct for better airflow.
Wi-Fi Interface
Optional Wi-Fi interface allows mobile control through the HUUM app (additional cost).
Stone Size
Stones range from 1" to 2" (3-5 cm) for proper sauna function.
Air Circulation
Support efficient air circulation to optimize heating efficiency.
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 | STEEL Mini 3.5STU Pkg |
| Model | STEEL Mini 3.5STU Pkg |
| STEEL Mini 3.5 | |
| Kilowatt Rating | 3.5 KW |
| Minimum Cubic Feet | 123 CF |
| Maximum Cubic Feet | 212 CF |
| Heater Weight | 32 lbs |
| Shipping Weight with Sauna Stones | 165 lbs |
| 240V, Single Phase Amperage | -- |
| Dimensions (W x D x H) | 12.6"W (320mm) x 6" D (150mm)x 38.4"H (975mm) |
| UKU | |
| Minimum Temperature Setting | 104 F |
| Maximum Temperature Setting | 230 F |
| Shipping Weight | 20 lbs |
| Console Dimensions (W x D x H) | 2.2" W (55mm) x 0.9" D (22mm) x 4.1" H (105mm) |
| Main Module Dimensions (W x D x H) | 3.5" W (90mm)x 2.3" D (58mm) x 5.6" H (142mm) |
| Display Panel Cable | |
| Length | 9.8 ft |
| AWG | 22 |
| Temp Sensor Cable | |
| Length | 16.4 ft |
| AWG | 24 |
| Door Sensor Cable | |
| Length | 16.4 ft |
| AWG | 24 |
| Manuals | |
| Installation and Operational Manual | Steel Series IOM |
| Spec Sheet | Steel Spec Diagram |
| Elements Required | HUUM ER |
| UKU | |
| Installation and Operational Manual | UKU IOM |
| Install Diagram | UKU Installation HUUM Glass & Mirror Diagram |
| Stones | |
| Stone Requirment | HUUM SR |
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
Does the package include everything needed for installation?
The package includes the heater, UKU control (WiFi optional), and sauna stones, but additional accessories may be required for setup.
What is the heater made of?
The heater is constructed from high-quality stainless steel with industrial-grade heating elements.
How quickly does the heater warm up the sauna?
It heats up 25% faster than standard heaters due to its internal air duct system.
Where can I install the UKU control panel?
The UKU control panel can be installed inside or outside the sauna room.
Can I delay the start time of the sauna heater?
Yes, the UKU control allows you to set a delayed start of up to 48 hours.
What is the heater’s power requirement?
It requires a 240V power supply with proper electrical installation.
Can the heater connect to sauna lights and ventilation?
Yes, the UKU control system allows connectivity with lighting and ventilation.
