Skip to content
SPEAK WITH AN EXPERT: (844) 670-4946

5% OFF sitewide w/ code: KOMOWA5OFF


Your cart is empty

Huum STEEL Series Sauna Heater

ONE TIME INVESTMENT Sale price$1,586.00



The STEEL electric sauna heater effortlessly combines function with style, making it an ideal choice for contemporary home saunas. Boasting a captivating design, this heater is not only aesthetically pleasing with its stainless steel enclosure but is also efficient and space-saving, perfect for compact steam rooms. Despite its slender appearance, the heater is equipped with a built-in air tunnel, ensuring rapid heating and optimal airflow. A generous stone capacity guarantees a gentle and prolonged steam, enhancing your sauna experience. Furthermore, with the advanced feature of mobile app control, users can conveniently adjust and monitor their sauna settings. And to top it all off, the STEEL electric sauna heater comes with a reassuring 5-year warranty, emphasizing its durability and a serene touch, helping to create an environment where you can truly de-stress.


Sleek DesignThe contemporary design is aesthetically pleasing, making it a centerpiece in any modern sauna.

Efficient HeatingHeats up to 25% faster due to its internal air duct, ensuring quick and efficient warmth.

VersatilityComes in 3 variants, suitable for sauna rooms ranging from 212 to 600 cu. ft.

Large Stone Capacity Can accommodate up to 331 pounds of sauna stones, ensuring a gentle and prolonged steam experience.

Quality Construction Made with industrial-quality stainless steel heating elements and overall stainless steel construction, guaranteeing durability.

Designed in EstoniaExpertly designed, engineered, and manufactured in Estonia, ensuring top-notch quality and innovation.

 Reliable and CertifiedConstructed from industry-grade stainless steel and backed by a limited 5-year warranty (excluding elements), ensuring long-term durability.

What's Included
  • Electric Sauna Heater
  • Installation and operation manual
  • 5-Year limited warranty (excluding elements)

Note: Control unit and stones sold separately.

Required for Operation:

  • STEEL 6KW: UKU Control, 331 lbs stones (Qty 10 x 33 lbs of 1" - 2" (3-5 cm) stones boxes)
  • STEEL 9 KW: UKU Control, 331 lbs stones (Qty 10 x 33 lbs of 1" - 2" (3-5 cm) stones boxes)
  • STEEL 10.5 KW: UKU Control, UKU Extension Box, 331 lbs stones (Qty 10 x 33 lbs of 1" - 2" (3-5 cm) stones boxes)
Sauna Compatibility

STEEL 6.0:

  • Kilowatt Rating: 6.0 KW
  • Size Compatibility: Suitable for saunas with a volume ranging from 212 cubic feet (CF) to 353 CF.
  • Physical Dimensions: This heater has a width and depth of 12.6" (320mm) and stands at a height of 38.4" (975mm).
  • Weight: The heater itself weighs 33 lbs, and when shipped with sauna stones, the total weight comes to 364 lbs.

STEEL 9.0:

  • Kilowatt Rating: 9.0 KW
  • Size Compatibility: Ideal for saunas that have a volume between 318 CF and 529 CF.
  • Physical Dimensions: The heater has a consistent width and depth of 12.6" (320mm) and a height of 38.4" (975mm).
  • Weight: It weighs 33 lbs on its own, and the total shipping weight with sauna stones is 364 lbs.

STEEL 10.5:

  • Kilowatt Rating: 10.5 KW
  • Size Compatibility: Best suited for saunas that are within the volume range of 353 CF to 600 CF.
  • Physical Dimensions: Both the width and depth are 12.6" (320mm), and the height remains at 38.4" (975mm).
  • Weight: This heater has a weight of 35 lbs. When combined with sauna stones for shipping, the weight totals 366 lbs.


    STEEL 6.0

    STEEL 9.0

    STEEL 10.5

    Kilowatt Rating

    6.0 KW

    9.0 KW

    10.5 KW

    Minimum Cubic Feet

    212 CF

    318 CF

    353 CF

    Maximum Cubic Feet

    353 CF

    529 CF

    600 CF

    Heater Weight

    33 lbs

    33 lbs

    35 lbs

    Shipping Weight with Sauna Stones

    364 lbs

    364 lbs

    366 lbs

    240V, Single Phase Amperage





    12.6" W (320mm)

    12.6" (320mm)

    12.6" (320mm)


    12.6" W (320mm)

    12.6" (320mm)

    12.6" (320mm)


    38.4" H (975mm)

    38.4" (975mm)

    38.4" (975mm)

    Setting Up Your Heater



    📘   Warranty Information 

    If any defects are found on the product, where manufacturer can be blamed, then buyer has the right to demand fixing or replacing the product. Demands must be made not later than 5 years after buying the product. Purchase receipt needs to be presented when warranty demands are made.

    Shipping Policy


    Upon successful placement of your order, you will immediately receive an order confirmation email. This serves as an acknowledgement that we have received your order and pre-authorized your credit card for the transaction. We will commence the fulfillment process immediately and most orders are shipped within 2-3 business days. Estimated transit times range between 2-5 business days.


    Tracking information will be sent to the email address you provided during checkout within 24 hours after your order departs from our warehouse. If you have not received your tracking information within six business days from the date of your order, please contact us for an update at


    Our standard "Curbside Pickup" is typically complimentary, with an estimated arrival time of 5-8 business days post-order processing. Additional shipping options are available for certain products:

    • Threshold Shipping: This service includes delivery to your porch or a sheltered area such as a garage.

    • White Glove Delivery: This premium service includes delivery to your room of choice, minor assembly, and removal of all packaging materials. Note: Saunas are not eligible for assembly under this option.

    For more details on these specialized shipping services prior to placing your order, please contact us at

    Komowa Wellness LLC
    Phone: +1 (844)-670-4946
    Physical Address:
    CLAYMONT, DE 19703


    Returns & Refunds

    Cancellations & Refunds

    You're welcome to cancel your order at any point before it ships at no additional cost (some exceptions like custom orders do apply, see below).

    For inquiries, please drop us an email at or reach out to us at +1-844-670-4946.

    Pre-Shipment Cancellations

    Should you wish to cancel an order, reach out to us immediately. This allows us to process a full refund before your order exits our warehouse. Our customer service team is available during regular business hours at +1-844-670-4946, via our chat support located at the bottom right corner of the screen, or by email at anytime.

    Custom Order Cancellations

    Orders for custom or made-to-order items can't be canceled or refunded as these are produced specifically for your order.

    The items are built or customized the moment you place an order. While we can't offer cancellations or refunds for these, our warranty ensures you'll receive a fully functional product. For clarity on whether your order falls under this category, don't hesitate to message or call us. All sales for custom-made and made-to-order products are final.

    Refunds and Exchanges

    Exchanges are possible but any associated shipping costs will be your responsibility.

    For specific details, please contact us directly.

    Due to the rising costs of LTL/freight shipping, straight returns will be subject to a 25% cancellation fee plus the cost of return shipping. If you're replacing the product, we may offer some financial assistance depending on the situation.

    By placing an order with Komowa, you're acknowledging your agreement with the following:

    1. Inspection of the package upon delivery, noting and photographing any damages for submission to Komowa within 24 hours.

    2. Responsibility for any costs associated with shipping for returns or exchanges.

    3. Compliance with our return requirements—products must be returned unopened and unused.

    4. Acceptance of varying refund amounts if the order has already been shipped.

    5. Acknowledgment of the variability in shipping times due to factors beyond Komowa's control.

    Damages Upon Arrival

    Should you notice any damages when your package arrives, document it when signing for delivery. Please forward the photos, box, and SKU details along with a short description to within 24 hours for us to initiate an insurance claim on your behalf.

    Warranty Information

    Each product's warranty varies by manufacturer. Please refer to individual product pages for specifics. Claims must be made within 30 days of identifying an issue.

    Returns Policy

    The default at Komowa is that customers bear the cost of all return shipping or reconsignment fees due to customer error unless stated otherwise on the product page.


    We have a dedicated customer service team eager to address your concerns. We consider our policies to be fair and strive for excellence in customer satisfaction. In light of this, any fraudulent chargebacks will be treated as criminal offenses.

    Should you encounter any issues, please contact us before resorting to chargebacks. We appreciate your business and are committed to resolving any concerns collaboratively.

    For any questions, reach us by phone at +1-844-670-4946, by chat at the lower right hand corner of your screen or at

    Komowa Wellness LLC
    Phone: +1 (844)-670-4946
    Physical Address:
    CLAYMONT, DE 19703


    HUUM Electric Sauna Heaters Huum STEEL Series Sauna Heater
    Huum STEEL Series Sauna Heater Sale price$1,586.00

    Fast & Free shipping

    All Orders Ship Free Within 2-3 Business Days

    Lowest Prices Guaranteed

    Shop Confidently With Our Authorized Retailer Every Day Low Prices

    Pay NO Sales Tax

    Save On Tax On All Orders
    (Tax Aren't Factored Into Prices Either)


    Manufacturer Warranty Included With All Products

    The Biohacker's Oasis

    Picture this: After conquering your day, you step into your personal sauna oasis. As the warm steam envelops you, toxins vanish and your mind sharpens. It's not just a sauna; it's your daily reboot for peak performance. We've curated this experience for biohackers like you, blending ancient wisdom and modern tech.
    It's more than wellness; it's a lifestyle upgrade.

    Need help?

    Frequently Asked Questions


    Installation & Use

    Health Considerations

    Warranty & Returns