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Huum Steel Electric Sauna Heater Set

$2,845.00 to $5,570.00
The Huum Steel has dramatic styling combining stainless steel with raw stone. Its vertical shape allows it to have a tremendous stone capacity and thermal mass. Imagine water trickling down between the stones sizzling and making steam! The linework and structure of the Steel heater can be integrated into your sauna design for a graphic, stand-out piece!
Options for saunas from 123 to 600 ft³
Local or wifi UVU controller options
Includes safety rail and heater stones; 10.5kw includes required extension box
Optional flange and reflect accessories
Questions? Contact Rory
size
size
size 3.5
size 6
size 9
size 10.5

Step 1 of 3 Choose your sauna size

Heater size:

Different Huum Steel models work with different size sauna rooms. Select the cubic footage of your sauna space.

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Controller
Controller
Controller
Controller
Controller
Controller
Controller
Controller
Controller
Controller
Controller

Step 2 of 3 Pick a controller

Controller type:

Choose between a local or wifi remote. The Wi-Fi sauna controller lets you heat your sauna on the spot or do it from your phone through HUUM mobile app.

Local Wifi

Controller finish:

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additional flange
additional
additional reflect

Step 3 of 3 Additional options

Include heater flange?

The embedding flange is useful when you are planning to install your sauna stove partly inside the sauna bench. It's made of stainless steel and it covers up the wooden edges around the stove, leaving the final result looking refined and smooth.

Include a reflect?

Thanks to the placement of the reflector on the heater it is possible to achieve half smaller safety distances from the walls. It is made of stainless steel and is mounted on the side of the heater. The reflectors can be connected to each other.

Previous Review
size
stones
extension
rail

Review Your Set Huum Steel Electric Sauna Heater Set

Heater:

- Edit

Controller:

- Edit

Flange:

- Edit

Reflect:

- Edit

Stones:

Included,

Safety Rail:

Included

Shipping:

$200 (added at checkout)

Questions? Contact Rory
additional flange
additional reflect
Huum Steel installed in a beautiful 4 person sauna

The Steel is designed to shine in smaller saunas, with a slim design and minimal safety distance requirements. And with an even slimmer 3.5 kW mini option that’s narrower than the full-size Steel heater, the Steel is a compact sauna’s best friend.

Steam rising from a Huum Steel heater in an aspen sauna with natural light coming through the windows

But don’t mistake compact sizes for less power: Huum heaters are engineered to pack a punch with incredibly high stone capacity and direct contact between the stones and the heating elements. The naturally high thermal mass of stone slowly releases heat, meaning fewer fluctuations in the temperature of your sauna.

Up close of sauna rocks

And that’s just one benefit – the rounded shape of the sauna stones makes for greater surface area and more airflow through the heater, meaning your sauna will heat faster and more efficiently. Also read as: less wait time and more efficient (and affordable!) operating

Estonian woman in a sauna wearing a traditional sauna hat

Huum heaters are designed, manufactured, and tested in Estonia, a small coastal country next to the Baltic Sea. Estonia has a rich sauna heritage dating back to pre-recorded history. Every element of Huum heaters from the materials to aesthetics to experience is crafted to be of the highest quality.

Person drinking coffee while they use the Huum mobile app to set the temperature of their sauna heater

We sell Huum heaters as kits instead of individual parts and pieces to take the guesswork out of building your dream sauna. Everything you need from the correct number of stones to the remote controller are all included, along with optional accessories to tailor it to your space.

Product Details
Have a question? We have Rory, our in-house sauna expert, and we bet he has the answer

Features

This compact heater has a large rock capacity for a more intense steam sauna. Engineered to have minimal required safety distances from walls, the Huum Cliff is the ideal sauna heater for small spaces.

Includes
  • Slender design
  • Suitable for use in saunas with limited space
  • Small safety distances
  • Heats up to 25% faster due to internal air duct
  • Works with UKU controls (included)
  • 133-331 pound stone capacity (stones included)
  • Direct contact between stones and heating elements
  • More exposed stones creates a longer and milder heat
  • Stainless steel construction
  • Stainless steel, industrial quality heating elements​
  • Designed, engineered, and made in Estonia
  • Limited 5-year warranty (excluding elements)

What's Included & Downloads

Includes
  • Sauna heater
  • Remote (local or wifi)
  • Sauna Stones
  • Safety Rail
  • Flange (Optional)
  • Reflect (Optional)
  • Extension box included for the 10.5 kW model
  • Wall fastening bracket included for the 3.5 kW model
  • Installation and operation manual
  • 5-Year limited warranty (excluding elements)

Steel Mini 3.5 Specs

The compact Huum Steel Mini 3.5 kW sauna heater, with exceptionally short safety distances, is a wall-mounted model that is especially suited for smaller sauna rooms. Smaller and slimmer than the other Steel models.

Stove
  • Model: STEEL 3.5
  • Kilowatt Rating: 3.5 KW
  • Sauna Room Minimum Cubic Feet: 123 ft³ (3.5 m³)
  • Sauna Room Maximum Cubic Feet: 212 ft³ (6 m³)
  • Stone Capacity: 132 lb (60 kg)
  • Heater Weight: 32 lbs (14.5 kg)
  • Shipping Weight with Sauna Stones: 166 lbs (75 kg)
  • Height: 38.4 in (975 mm)
  • Width: 12.6 in (320 mm)
  • Depth: 6 in (150 mm)
Power
  • Amps 240V: 14.58
  • Circuit Breaker Amperage: 15
  • Wire Size (AWG): 14

Steel 6 Specs

The Huum Steel 6, 9, and 10.5 kW models are the same size product, with the primary difference being their kilowatt rating, electrical, and the cubic footage of the sauna room size they will work for.

Stove
  • Model: STEEL 6
  • Kilowatt Rating: 6 KW
  • Sauna Room Minimum Cubic Feet: 212 ft³ (6 m³)
  • Sauna Room Maximum Cubic Feet: 353 ft³ (10 m³)
  • Stone Capacity: 331 lb (150 kg)
  • Heater Weight: 33 lbs (15 kg)
  • Shipping Weight with Sauna Stones: 364 lbs (165 kg)
  • Height: 38.4" (975mm)
  • Width: 12.6" (320mm)
  • Depth: 6" (150mm)
Power
  • Amps 240V: 25
  • Circuit Breaker Amperage: 30
  • Wire Size (AWG): 10

Steel 9 Specs

The Huum Cliff 6, 9, and 10.5 kW models are the same size product, with the primary difference being their kilowatt rating, electrical, and the cubic footage of the sauna room size they will work for.

Stove
  • Model: STEEL 9
  • Kilowatt Rating: 9 KW
  • Sauna Room Minimum Cubic Feet: 318 ft³ (9 m³)
  • Sauna Room Maximum Cubic Feet: 530 ft³ (15 m³)
  • Stone Capacity: 331 lb (150 kg)
  • Heater Weight: 35 lbs (16 kg)
  • Shipping Weight with Sauna Stones: 364 lbs (165 kg)
  • Height: 38.4" (975mm)
  • Width: 12.6" (320mm)
  • Depth: 6" (150mm)
Power
  • Amps 240V: 37.5
  • Circuit Breaker Amperage: 50
  • Wire Size (AWG): 8

Steel 10.5 Specs

The Huum Cliff 6, 9, and 10.5 kW models are the same size product, with the primary difference being their kilowatt rating, electrical, and the cubic footage of the sauna room size they will work for. The 10.5 kW model requires an extension box, which is included in the heater kit.

Power
  • Model: STEEL 9
  • Kilowatt Rating: 9 KW
  • Sauna Room Minimum Cubic Feet: 353 ft³ (10 m³)
  • Sauna Room Maximum Cubic Feet: 600 ft³ (17 m³)
  • Stone Capacity: 331 lb (150 kg)
  • Heater Weight: 35 lbs (16 kg)
  • Shipping Weight with Sauna Stones: 364 lbs (165 kg)
  • Height: 38.4" (975mm)
  • Width: 12.6" (320mm)
  • Depth: 6" (150mm)
Stove
  • Amps 240V: 43.75
  • Circuit Breaker Amperage: 50
  • Wire Size (AWG): 6

Looking for help making your sauna oasis come to life? We can help with custom projects big and small from design to installation. Reach out to Rory (our in-house sauna expert) to chat more about your project.

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