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Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

HUUM STEEL Electric Sauna Heater

From $1,150

In stock • Order now

Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

Made in Europe | Expertly Designed

The HUUM STEEL offers a sleek, contemporary design with powerful performance, making it ideal for modern home saunas. Crafted from durable stainless steel, this heater provides gentle and long-lasting steam, thanks to its large 150kg stone capacity. The innovative built-in air tunnel optimises airflow, ensuring rapid heating and efficient energy use.

Power output

Room volume

Model

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STEEL 6

Power Output: 6kW

Room Volume: 5m³ – 9m³

Original price was: $1,499.Current price is: $1,150. inc GST

STEEL 9

Power Output: 9kW

Room Volume: 8m³ – 13m³

Original price was: $1,699.Current price is: $1,250. inc GST

STEEL 11

Power Output: 10.5kW

Room Volume: 10m³ – 16m³

Original price was: $1,899.Current price is: $1,350. inc GST

Add a compatible Control Panel

HUUM UKU 4.2 WiFi – Sauna Heater Controller

$1,098.90 inc GST

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HUUM UKU WiFi Black – Sauna Heater Controller

inc GST

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Highly recommended Accessories

Safety Railing for HUUM STEEL

$525 inc GST

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Heat Reflector for HUUM STEEL

$349 inc GST

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Complete your Heater purchase with Sauna Rocks (sold separately).
Rock capacity of this heater is 150kg. Please select Rocks to add to your order:

HUUM Sauna Rocks 3-5cm – Box 15kg – Rounded

$115

Required Qty:

Subtotal:$1,150

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Fast shipping Australia-wide

Australian after-sales support

Premium-quality materials

Easy 30-day returns

We want you to have the perfect Sauna Heater! If your electrician suggests a different model, no worries—you can easily exchange your unopened one within 30 days.

Any questions? We’re here to help. Send us an enquiry or chat with one of our Sauna experts.

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Overview
Important Information
Key Features
Documents & Files

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Overview

The HUUM STEEL Electric Sauna Heater
SDS Exclusive

Exclusive to SDS Australia, the HUUM STEEL Electric Sauna Heater is a stylish and powerful choice for modern home saunas. With its remarkably slender design and minimal safety clearance requirements, this heater is perfect for compact spaces. An internal air tunnel accelerates heating and promotes efficient airflow, while the high stone capacity produces soft, long-lasting steam. Its eye-catching stainless steel enclosure creates a striking visual contrast with natural sauna stones.

Wi-Fi Connectivity & Mobile Control

HUUM Mobile App Compatible: Pre-heat and operate your sauna heater from anywhere with a compatible HUUM Wi-Fi Control Panel and the HUUM mobile app!

HUUM STEEL Electric Sauna Heater
Rock capacity	150kg
Rock size	3 – 5cm
Net weight	15kg (STEEL 6 & 9), 16kg (STEEL 11)
Dimension	975 x 320 x 320mm
Fuse	10 A (STEEL 6), 16 A (STEEL 9 & 11)
Supply voltage	3/N~400V (all models), 1/N~230V (Steel 6)
Power cable (N x mm²)	5 x 1.5 (STEEL 6), 5 x 2.5 (STEEL 9 & 11)
Power output	6kW, 9kW, 10.5kW
Room volume	5m³ – 9m³, 8m³ – 13m³, 10m³ – 16m³
Model	STEEL 6, STEEL 9, STEEL 11

Important Information

Electrical Supply Requirements

6.0 kW Model (Steel 6): Compatible with standard Single-Phase or 3-Phase power supply.
9.0 kW Model (Steel 9): Compatible with 3-Phase power supply. May run on Single-Phase power depending on site load and setup (electrician’s assessment required for single-phase compatibility).
10.5 kW Model (Steel 11): 3-Phase power supply required.

Warranty Information

Residential Use: 3-Year warranty.
Commercial Use: 1-Year warranty.

Sauna Rocks & Heater Usage

Note: Sauna rocks are sold separately and not included. HUUM 3-5cm Sauna Rocks are highly recommended. Using non-HUUM sauna rocks might introduce contaminants to the heater, potentially causing damage that the HUUM warranty won’t cover.

Key Features

Key Product Features

Slim Estonian Engineering

Slim Architectural Silhouette: Features an ultra-compact, minimalist steel cage structure that requires minimal safety distances, making it ideal for tight spaces.
Impressive 150 kg Stone Mass: Holds a remarkably high quantity of natural sauna rocks within a slim footprint, maximizing heat retention for soft, prolonged steam (*Löyly*).
Optimised Internal Air Tunnel: Engineered with a central air duct that accelerates heating time while ensuring smooth airflow through the stone layer.
Durable Stainless Steel Casing: Precision-crafted from high-grade stainless steel to ensure longevity, structural integrity, and corrosion resistance.
Smart Control Panel Compatible: Designed to seamlessly pair with HUUM UKU control panels and Wi-Fi systems for effortless remote app operation.