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Humm STEEL Mini Series Sauna Heater

ONE TIME INVESTMENT Sale price$1,199

The STEEL Mini electric sauna heater seamlessly combines functionality and elegance, tailor-made for compact home saunas. With a stylish and eye-catching design, it's not only visually appealing but also highly efficient, boasting a 3.5kw power rating. Despite its mini size, it can hold up to 60 kg (132 lb) of sauna stones, ensuring mild and prolonged steam. Furthermore, with mobile app controls, adjusting your sauna settings has never been more convenient. The sleek stainless steel finish enhances the modern ambiance of any sauna space. Plus, with a 5-year warranty, it underscores its premium quality and durability.


Slender Design. A sleek and modern appearance that fits effortlessly into compact home saunas.

Efficient Heating.  Heats up to 25% faster thanks to its internal air duct, delivering a quick and consistent heat.

Stone Capacity.  Despite its size, it holds up to 133 pounds of sauna stones, ensuring a longer and milder heat for an authentic sauna experience.

High-Quality Construction.  Made with durable stainless steel, including industrial-quality heating elements, ensuring longevity and consistent performance.

Advanced Control.  Compatibility with UKU controls (sold separately) allows users to easily adjust and monitor settings through a mobile app.

Warranty.  A reassuring 5-year limited warranty (excluding elements), highlighting its superior quality and craftsmanship.

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

Note: Control unit and stones sold separately.

Required for Operation:

  • Required Control and sauna stones (4 boxes) sold separately
Sauna Compatibility
  • Sauna Volume: Designed for sauna spaces ranging between 123 and 212 cubic feet.

  • Power Specifications: Boasts a 3.5 KW kilowatt rating, optimized for the specified volume range.

  • Dimensions: Ensure a dedicated space with dimensions of:

    • Width: 12.6 inches (320mm)
    • Depth: 6 inches (150mm)
    • Height: 38.4 inches (975mm)
  • Weight: The heater itself weighs approximately 32 lbs, while the total shipping weight inclusive of sauna stones is around 165 lbs. Your installation space should accommodate this weight.

  • Electrical Needs: The heater is compatible with a 240V, single-phase electrical system. Consult with an electrician regarding the specific amperage requirements.



      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 Humm STEEL Mini Series Sauna Heater
      Humm STEEL Mini Series Sauna Heater Sale price$1,199

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      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