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HUUM STEEL 10.5kW Floor Sauna Heater Package with Black UKU WiFi Control

Sale price$4,515.00

In stock
HUUM STEEL 10.5kW Floor Sauna Heater Package with Black UKU WiFi Control
HUUM STEEL 10.5kW Floor Sauna Heater Package with Black UKU WiFi Control Sale price$4,515.00
Description

The HUUM STEEL 10.5kW Sauna Heater Package with Black UKU WiFi Control is designed for modern sauna rooms that need powerful heating performance in a compact floor-standing format. This complete package includes the HUUM STEEL 10.5kW electric sauna heater, Black UKU WiFi control system, and 330 lbs of rounded Olivine diabase sauna stones. Designed, engineered, and made in Estonia, the STEEL 10.5kW heater features a slim stainless-steel body that is well suited for sauna rooms with limited space. It is designed for sauna rooms from 354 to 566 cubic feet and uses an internal air duct system to help the heater warm up up to 25% faster. The included Black UKU WiFi control allows users to manage sauna temperature, timing, delayed start, and compatible smart features. With WiFi capability, the control can be used with the HUUM mobile app where supported.

Features
  • Complete HUUM sauna heater package with heater, Black UKU WiFi control, and sauna stones
  • 10.5kW floor-standing electric sauna heater
  • Suitable for sauna rooms from 354–566 ft³
  • Slim stainless-steel design for sauna rooms with limited space
  • Small safety-distance design for flexible installation
  • Internal air duct helps the heater warm up up to 25% faster
  • Large stone capacity supports longer, milder, and more even heat
  • Direct contact between stones and heating elements for efficient heat transfer
  • Stainless-steel construction with industrial-quality stainless-steel heating elements
  • Works with HUUM UKU controls and UKU extension box compatibility
  • Designed, engineered, and made in Estonia

Black UKU WiFi Control Features

  • Black control display panel included
  • Built-in WiFi interface for use with the HUUM mobile app
  • Settable on/off, time, temperature, and delayed start
  • Delayed start up to 48 hours in advance
  • Temperature range: 104°F–230°F
  • Displays set temperature and room temperature
  • Supports inside or outside sauna-room installation
  • Includes temperature sensor and door sensor
  • Door sensor helps keep heat inside the sauna room
  • Remotely located main control module
  • Connects to sauna lights and ventilation
  • Overheat protection
  • Child safety lock
  • 8 language options: English, German, Russian, Italian, Finnish, Estonian, Polish, and French
  • Smart heating setting available where supported

Sauna Stone Features

  • Rounded Olivine diabase sauna stones
  • Rounded shape complements the heater design
  • Durable stones with high heat capacity
  • Stone size: approximately 1"–2" / 3–5 cm
Specifications

Heater Specifications

Specification Details
Package Model STEEL 10.5STU Pkg
Heater Model STEEL 10.5
Heater Type Floor-standing electric sauna heater
Kilowatt Rating 10.5kW
Minimum Sauna Room Size 354 ft³
Maximum Sauna Room Size 566 ft³
Voltage / Phase 240V / Single Phase
Amperage 43.75 Amps
Heater Weight 35 lbs
Shipping Weight with Stones 366 lbs
Heater Width 12.6" / 320 mm
Heater Depth 12.6" / 320 mm
Heater Height 38.4" / 975 mm
Construction Stainless steel
Heating Elements Stainless steel, industrial quality
Stone Capacity Approx. 331 lbs required
Included Stones 330 lbs
Installation Type Floor model
Country of Origin Designed, engineered, and made in Estonia

UKU WiFi Control Specifications

Specification Details
Control Type Black UKU WiFi Control
Minimum Temperature Setting 104°F
Maximum Temperature Setting 230°F
UKU Shipping Weight 20 lbs
Console Width 2.2" / 55 mm
Console Depth 0.9" / 22 mm
Console Height 4.1" / 105 mm
Main Module Width 3.5" / 90 mm
Main Module Depth 2.3" / 58 mm
Main Module Height 5.6" / 142 mm
Display Panel Cable Length 9.8 ft
Display Panel Cable AWG 22
Temperature Sensor Cable Length 16.4 ft
Temperature Sensor Cable AWG 24
Door Sensor Cable Length 16.4 ft
Door Sensor Cable AWG 24
Languages English, German, Russian, Italian, Finnish, Estonian, Polish, French
Installation Location Inside or outside sauna room
Included

STEEL 10.5kW Sauna Heater

  • HUUM STEEL 10.5kW sauna heater
  • Installation and operation manual
  • 3-year limited residential warranty and 1-year limited commercial warranty, excluding heating elements

Black UKU WiFi 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
  • 3-year limited residential warranty and 1-year limited commercial warranty

Sauna Stones

  • 330 lbs of rounded Olivine diabase sauna stones
  • Stone size: approximately 1"–2" / 3–5 cm
Warranty

The HUUM STEEL 10.5kW sauna heater includes a limited 3-year residential warranty and a limited 1-year commercial warranty, excluding heating elements. The Black UKU WiFi control includes a limited 3-year residential warranty and a limited 1-year commercial warranty.

Sauna Heater Safety & Usage Guidelines

Following basic safety and usage guidelines helps ensure reliable performance and long term enjoyment of your sauna heater.

Use the Correct Heater Size

Always operate your sauna heater within the recommended room size range. Using a heater that is undersized or oversized can affect heating consistency and may place unnecessary strain on the unit. Refer to the manufacturer’s cubic footage guidelines before installation.

Follow Proper Placement Guidelines

Correct heater placement supports even heat circulation and safe airflow. Install the heater according to manufacturer clearance requirements, typically near the door or along a designated wall, and keep combustible materials at a safe distance.

Load Stones Correctly

Use only sauna-approved stones and arrange them loosely to allow proper airflow around the heating elements. Avoid overpacking stones, as this can restrict heat distribution and impact heater performance over time.

Operate Controls Responsibly

Whether using built-in or external controls, always follow the manufacturer’s operating instructions. Allow the heater to warm up fully before use, avoid sudden temperature changes, and power off the unit after each session to support safe operation.

What to Know Before Purchasing a Sauna Heater

Electrical Requirements & Installation

Sauna heaters require a dedicated electrical connection sized for their power output. Voltage, amperage, and breaker requirements vary by model, so confirming compatibility with your space is essential. Professional installation helps ensure safe operation and reliable performance from day one.

Indoor vs Outdoor Sauna Use

Not all sauna heaters are designed for outdoor environments. Indoor heaters are optimized for controlled spaces, while outdoor-rated heaters are built to handle temperature changes and moisture exposure. Choosing the right type ensures durability and consistent heating over time.

Safety, Ventilation & Clearance

Proper airflow and clearance around the heater support even heat distribution and help protect surrounding surfaces. Following manufacturer spacing guidelines and ventilation recommendations ensures a comfortable sauna environment and long-term reliability of your heater.

Need Help Choosing the Right sauna Heater?

Speak to an expert

Let us assist you. Book an appointment with one of our Sauna sanctum expert to get answer to all of your concerns!

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What Sauna Sanctum Stands For

Authorized U.S. Distribution Partners

We work exclusively with established U.S. distribution partners to source genuine products from leading sauna brands. This ensures authentic equipment, manufacturer-backed warranties, and consistent quality across every order.

Packed with Care & Delivered with Confidence

Every order is shipped directly from authorized U.S. manufacturers or distribution partners, using ground or freight delivery based on product size. We ship throughout the 48 contiguous United States, with products professionally palletized or packaged at the source to ensure safe, secure delivery for high-value wellness equipment.

Dedicated Before & After Purchase Support

From choosing the right sauna to understanding delivery and setup, our Sauna Sanctum expert team is available to guide you at every step. We remain available even after delivery to help with questions, documentation, and next steps.

Description

The HUUM STEEL 10.5kW Sauna Heater Package with Black UKU WiFi Control is designed for modern sauna rooms that need powerful heating performance in a compact floor-standing format. This complete package includes the HUUM STEEL 10.5kW electric sauna heater, Black UKU WiFi control system, and 330 lbs of rounded Olivine diabase sauna stones. Designed, engineered, and made in Estonia, the STEEL 10.5kW heater features a slim stainless-steel body that is well suited for sauna rooms with limited space. It is designed for sauna rooms from 354 to 566 cubic feet and uses an internal air duct system to help the heater warm up up to 25% faster. The included Black UKU WiFi control allows users to manage sauna temperature, timing, delayed start, and compatible smart features. With WiFi capability, the control can be used with the HUUM mobile app where supported.

Features
  • Complete HUUM sauna heater package with heater, Black UKU WiFi control, and sauna stones
  • 10.5kW floor-standing electric sauna heater
  • Suitable for sauna rooms from 354–566 ft³
  • Slim stainless-steel design for sauna rooms with limited space
  • Small safety-distance design for flexible installation
  • Internal air duct helps the heater warm up up to 25% faster
  • Large stone capacity supports longer, milder, and more even heat
  • Direct contact between stones and heating elements for efficient heat transfer
  • Stainless-steel construction with industrial-quality stainless-steel heating elements
  • Works with HUUM UKU controls and UKU extension box compatibility
  • Designed, engineered, and made in Estonia

Black UKU WiFi Control Features

  • Black control display panel included
  • Built-in WiFi interface for use with the HUUM mobile app
  • Settable on/off, time, temperature, and delayed start
  • Delayed start up to 48 hours in advance
  • Temperature range: 104°F–230°F
  • Displays set temperature and room temperature
  • Supports inside or outside sauna-room installation
  • Includes temperature sensor and door sensor
  • Door sensor helps keep heat inside the sauna room
  • Remotely located main control module
  • Connects to sauna lights and ventilation
  • Overheat protection
  • Child safety lock
  • 8 language options: English, German, Russian, Italian, Finnish, Estonian, Polish, and French
  • Smart heating setting available where supported

Sauna Stone Features

  • Rounded Olivine diabase sauna stones
  • Rounded shape complements the heater design
  • Durable stones with high heat capacity
  • Stone size: approximately 1"–2" / 3–5 cm
Specifications

Heater Specifications

Specification Details
Package Model STEEL 10.5STU Pkg
Heater Model STEEL 10.5
Heater Type Floor-standing electric sauna heater
Kilowatt Rating 10.5kW
Minimum Sauna Room Size 354 ft³
Maximum Sauna Room Size 566 ft³
Voltage / Phase 240V / Single Phase
Amperage 43.75 Amps
Heater Weight 35 lbs
Shipping Weight with Stones 366 lbs
Heater Width 12.6" / 320 mm
Heater Depth 12.6" / 320 mm
Heater Height 38.4" / 975 mm
Construction Stainless steel
Heating Elements Stainless steel, industrial quality
Stone Capacity Approx. 331 lbs required
Included Stones 330 lbs
Installation Type Floor model
Country of Origin Designed, engineered, and made in Estonia

UKU WiFi Control Specifications

Specification Details
Control Type Black UKU WiFi Control
Minimum Temperature Setting 104°F
Maximum Temperature Setting 230°F
UKU Shipping Weight 20 lbs
Console Width 2.2" / 55 mm
Console Depth 0.9" / 22 mm
Console Height 4.1" / 105 mm
Main Module Width 3.5" / 90 mm
Main Module Depth 2.3" / 58 mm
Main Module Height 5.6" / 142 mm
Display Panel Cable Length 9.8 ft
Display Panel Cable AWG 22
Temperature Sensor Cable Length 16.4 ft
Temperature Sensor Cable AWG 24
Door Sensor Cable Length 16.4 ft
Door Sensor Cable AWG 24
Languages English, German, Russian, Italian, Finnish, Estonian, Polish, French
Installation Location Inside or outside sauna room
Included

STEEL 10.5kW Sauna Heater

  • HUUM STEEL 10.5kW sauna heater
  • Installation and operation manual
  • 3-year limited residential warranty and 1-year limited commercial warranty, excluding heating elements

Black UKU WiFi 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
  • 3-year limited residential warranty and 1-year limited commercial warranty

Sauna Stones

  • 330 lbs of rounded Olivine diabase sauna stones
  • Stone size: approximately 1"–2" / 3–5 cm
Warranty

The HUUM STEEL 10.5kW sauna heater includes a limited 3-year residential warranty and a limited 1-year commercial warranty, excluding heating elements. The Black UKU WiFi control includes a limited 3-year residential warranty and a limited 1-year commercial warranty.