What sizes does the HUUM STEEL Heater Package come in?

The HUUM STEEL is available in 3.5 to 10.5 kW, covering 1-person private saunas through large 6-person rooms.

What's included in the HUUM STEEL package?

Every HUUM STEEL package includes the heater in your selected kW, the UKU Digital Control (console, main module, temperature sensor, door sensor), a full stone load (olivine diabase), wall-mount bracket and hardware, an installation manual, and a 3-year limited residential warranty.

How do I size the HUUM STEEL for my sauna?

Size the HUUM STEEL at roughly 1 kW per 45 cu ft of insulated space. For example, the 3.5kW Mini covers up to 110 cu ft, the 6kW covers 177-283 cu ft, the 9kW covers 283-460 cu ft, and the 10.5kW covers 350-560 cu ft. Glass-heavy or outdoor rooms should size up.

Where is the HUUM STEEL mounted and what power does it need?

The HUUM STEEL is a wall-mounted heater with brushed stainless construction that runs on 240V single-phase power.

How does the HUUM STEEL package ship and is it returnable?

As a HUUM sauna heater, the STEEL package ships by standard carrier and is eligible for our 30-day return policy on heaters. No sales tax applies to orders shipped outside New Jersey.

Do you ship to Alaska, Hawaii, or Puerto Rico?

Yes, we can ship to Alaska, Hawaii, and Puerto Rico, but online checkout is not available for these destinations. Please call or text us at (856) 426-8530 or email info@saunacompanyusa.com to get a custom shipping quote before ordering. Online checkout to these locations is disabled.

Do you ship to Canada or internationally?

No, we do not ship to Canada or any international destinations at this time. We ship within the United States only (contiguous 48 states, plus Alaska, Hawaii, and Puerto Rico by phone quote). For international inquiries, please contact the manufacturer directly.

HUUM STEEL Sauna Heater Package

Name: HUUM STEEL Heater Package
Brand: HUUM
SKU: 534-BDL-STEELM35STULB
Price: 2958.0 USD
Availability: InStock

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Sauna Company USA · Sauna Heaters

HUUM STEEL Package

The HUUM STEEL is a no-frills, industrial-finish wall-mounted heater built for reliability. Available in 3.5 to 10.5 kW, it covers 1-person private saunas through large 6-person rooms. Brushed stainless construction, direct stone-to-element contact. Every package includes the heater, UKU control, and full stone load.

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Every Detail

Specifications & Details

Models: STEEL Mini (3.5 kW) · STEEL 6STU (6 kW) · STEEL 9STU (9 kW) · STEEL 11STU (10.5 kW)

All models: 240V single-phase · Floor-standing · UKU control included · Olivine diabase stones · Made in Estonia

HUUM STEEL Heater (your selected kW)
UKU Local Black Digital Control Console
Main Control Module, Temperature Sensor & Door Sensor
Sauna Stones — full load
Installation Manual · 3-Year Limited Residential Warranty

Size at 1 kW per 45 cu ft. The STEEL suits traditional, barrel, and cabin saunas. Outdoor or glass-heavy rooms need the next size up.

Shipping: Freight carrier, curbside delivery.
Warranty: 3-year limited residential / 1-year commercial (elements excluded).

Questions? Use the heater sizing guide or contact our team.

30-Day Return Policy

We accept returns on this product within 30 days of delivery. To initiate a return, email info@saunacompanyusa.com with your order number.

Shipping Damage — If the return is required due to damage, include photos of the damage and note whether shipping damage was recorded upon signing for delivery. Shipping costs are fully covered for carrier-caused damage.

No-Damage Returns — No restocking fee is charged. You will be issued a credit for the full amount paid, less any required new boxing fees of approximately $20–$50 depending on the product.

Damaged Product — If the product is damaged, you will be notified to file a claim with your shipper. We assist throughout the process.

View our full Return Policy for complete details.

Sauna Company USA

Heater, Control, & Stones, One Fair Price.

A Premium Heater, With 4 Sizes Available.

Sauna Company USA

The Tower That Heats.

A Premium Heater, With 4 Sizes Available.

Power Output

3.5 to 10.5 kW — four sizes for rooms from a compact cabin to a large 8-person sauna.

Room Size

Covers 100 to 530 cubic feet. Match your kW to your interior volume.

Floor-Standing

Freestanding column design with large stone capacity for long, gentle heat sessions.

Built to Last

Full stainless steel construction with industrial-grade elements. 3-year residential warranty.

Made in Estonia

Designed, engineered, and built by HUUM in Tallinn, Estonia.

The HUUM DROP 9STU Pkg is a complete sauna heater package — the award-winning DROP 9.0kW wall-mounted heater, UKU Local Black control, and a full stone load, all in one box. Everything you need to transform your sauna into a genuine ritual space, sized for rooms from 283 to 460 cubic feet.

9.0 kW wall-mounted electric sauna heater
122 lb stone capacity with direct stone-to-element contact
Operates on 240V single-phase
Includes UKU Local Black digital control — upgrade to WiFi available separately

DROP 9.0kW Sauna Heater

Iconic water-drop silhouette — Red Dot Award winner
Wall-mounted with included bracket
122 lb stone capacity (4 boxes included)
Direct contact between stones and heating elements
More exposed stones create a longer, milder heat
Stainless steel construction
Works with all UKU controls

UKU Local Black Control (Included)

Digital LED display — time, temperature, on/off
Black console + main module + temperature sensor + door sensor
Upgrade to UKU WiFi to preheat from anywhere

Sauna Stones (Included)

4 boxes — full load (~120 lbs) for immediate use

Certification

SGS listed

About the HUUM STEEL

Industrial power, clean form

The HUUM STEEL is the workhorse of the HUUM lineup. Its stainless grid column holds a large stone load with direct element contact — delivering steady, enveloping heat for traditional sauna rooms that demand consistent performance. Floor-standing and bold, the STEEL suits larger spaces where output and stone volume matter most. All models pair with HUUM's UKU control suite for precise temperature and scheduling.

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Resources

Documents & Manuals

30-Day Return Policy

We accept returns on this product within 30 days of delivery. To initiate a return, email info@saunacompanyusa.com with your order number.

No-Damage Returns — No restocking fee is charged. You will be issued a credit for the full amount paid, less any required new boxing fees of approximately $20–$50 depending on the product.

Damaged Product — If the product is damaged, you will be notified to file a claim with your shipper. We assist throughout the process.

View our full Return Policy for complete details.

Freight Delivery

Curbside delivery to the contiguous U.S., included.

3-Year Warranty

HUUM 3-year limited residential warranty (1-year commercial); heating elements & sauna stones are consumables and excluded.

Financing Available

Flexible monthly payment options at checkout.

Expert Sauna Support

Talk to specialists who know these heaters.

Specifications & Details

At a Glance

HUUM STEEL Heater Package

Documents & Manuals

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