The HUUM STEEL Mini 3.5kW Sauna Heater combines Scandinavian-inspired design with efficient performance, making it ideal for compact sauna rooms. With its ultra-slim wall-mounted form, quick heat-up times, and generous stone capacity, it delivers soft, consistent steam without taking up valuable floor space. Built in Estonia from premium stainless steel, this heater is as durable as it is elegant.
Key Features
- Compact Design: Slim, wall-mounted profile perfect for tight sauna spaces
- Safety Clearances: Small installation distances allow placement in narrow rooms
- Fast Heat-Up: Internal air duct reduces warm-up time by up to 25%
- Room Size Compatibility: Suitable for sauna rooms 123–212 cu. ft.
- Stone Capacity: Holds 133 lbs of stones (≈4 boxes, sold separately)
- Steam Quality: Direct stone-to-element contact produces soft, mild steam
- Performance: Exposed stones enhance steam and prolong heat release
- Construction: Stainless steel housing with industrial-grade heating elements
- Controls: Compatible with HUUM UKU Control Systems (sold separately)
- Origin: Designed, engineered, and manufactured in Estonia
- Warranty: 5-Year Limited Warranty (excluding elements)
What’s Included
- HUUM STEEL Mini 3.5kW Heater
- Wall fastening bracket
- Installation & Operation Manual
- 5-Year Limited Warranty (excluding heating elements)
Technical Specifications
| Model | STEEL Mini 3.5kW |
| Power Output | 3.5kW |
| Sauna Room Size | 123–212 cu. ft. |
| Stone Capacity | 133 lbs (≈4 boxes, sold separately) |
| Control Compatibility | HUUM UKU systems (sold separately) |
| Installation Type | Wall-mounted |
| Materials | Stainless steel housing with industrial-grade elements |
| Dimensions (W × D × H) | 12.6″ × 6″ × 38.4″ (320 × 150 × 975 mm) |
| Certifications | SGS Listed |
| Origin | Estonia |
| Warranty | 5-Year Limited (excluding elements) |
Why Choose the HUUM STEEL Mini 3.5kW?
- Perfectly sized for smaller saunas without sacrificing performance
- Quick heating and soft, consistent löyly
- Durable stainless steel construction with sleek Nordic styling
- Compatible with HUUM’s smart UKU controls (sold separately)
Buy with Confidence at MyLuxuryHomeSpa.com
- Authorized HUUM dealer with expert guidance
- Premium sauna heaters and accessories
- Fast shipping and secure checkout
Installation and Operation Manual
Shipping & Delivery
Do you ship to the USA? Yes, we provide shipping to the contiguous United States. Shipping costs and estimated delivery times are calculated at checkout based on the weight and dimensions of your order.
Are there import duties or taxes? Transparency Disclosure: Because your order ships from the DE, it may be subject to US import duties or customs fees. These fees are the responsibility of us.
How long is the "Handling Time"? Our standard handling time is 1–2 business days. This is the time it takes to process your order before it leaves our facility.
What is the "Transit Time"? Transit time to the USA typically takes 3–5 business days via our international carriers. You will receive a tracking link as soon as your order is dispatched.
Returns & Refunds
What is your return window? In alignment with Google’s best practices, we offer a 30-day return policy. You have 30 days from the date of delivery to request a return.
How do I start a return? To initiate a return, please email Contact@yourspapool.com with your order number. We will provide you with the appropriate return shipping address.
What condition must the items be in? Items must be in their original packaging, unused, and in the same condition that you received them.
When will I receive my refund? Once your return is received and inspected, we will process your refund within 10 business days. The credit will automatically be applied to your original method of payment.
