HUUM Steel Mini 4 Sauna Heater Package (3.5kW Heater + Control Unit + Stones)

HUUM Steel Mini 4 Sauna Heater Package (3.5kW Heater + Control Unit + Stones)

Name: HUUM Steel Mini 4 Sauna Heater Package (3.5kW Heater + Control Unit + Stones)
Brand: HUUM
SKU: Huum-Steel-Mini-4-PkgὭ㓣䶶
Price: 2394.0 USD
Availability: InStock
Rating: 4.85 (46 reviews)

SKU: Huum-Steel-Mini-4-Pkg

From HUUM's Steel series of electric sauna heater packages
Includes your choice of control units + stones (132 lbs)
Perfect for saunas up to 212 ft³ (most 2-3 person saunas)

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Heater in This Pkg: calculate kW needed

3.5kW for saunas up to 212 ft³ (most 2-3 person saunas)

Other kW Options:

6kW for saunas up to 353 ft³ (most 5-6 person saunas) 9kW for ≤ 529 ft³ saunas for 7-8 10.5kW for ≤ 600 ft³ saunas for 10+

About the HUUM Steel Mini 4 Sauna Heater Pkg

Electric Heater

plugs into a 240-Volt electrical outlet (see all electric heaters or browse wood-burning sauna stoves instead)

From HUUM's

STEEL series of tall/skinny heaters (see other HUUM designs)

3.5kW Heater

for up to 212 ft³ saunas for 2-3 people (browse all packages w/ a 5kW (or less) heater)

Wall-Mounted

see other wall-mounted heaters (or browse floor heaters instead)

Includes Control & Stones

package includes your choice of UKU control units and 132 lbs. of sauna stones

Electric Heater

plugs into a 240-Volt electrical outlet (see all electric heaters or browse wood-burning sauna stoves instead)

From HUUM's

STEEL series of tall/skinny heaters (see other HUUM designs)

3.5kW Heater

for up to 212 ft³ saunas for 2-3 people (browse all packages w/ a 5kW (or less) heater)

Wall-Mounted

see other wall-mounted heaters (or browse floor heaters instead)

Includes Control & Stones

package includes your choice of UKU control units and 132 lbs. of sauna stones

Product Details

Complete HUUM Steel Mini 3.5kW 240V/1PH Electric Sauna Heater Package

The HUUM Steel is a classy and powerful pick for a modern home sauna. With its large stone capacity for its size, you will achieve a nice even steam that heats the whole cabin. The design is inspired by the strength and simplicity of steel with a modern touch. Even with its strong steel shell, you can see the round stones that lie within.

STEEL Mini 3.5kW Sauna Heater

Slender design
Suitable for use in small saunas with limited space
Small safety distances
Heats up to 25% faster due to internal air duct
For sauna rooms from 106 to 177 cu. ft.
Works with UKU controls
133 pound stone capacity (required 4 boxes)
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
Wall-mount model
Designed, engineered, and made in Estonia
Dimensions: 12.6" W (320mm) x 6" D (150mm) x 38.4" H (975mm)

UKU

Sleek Black control display panel
Multiple Color Options available
Settable on/off, time, temperature, and delay
Settable temperature range of 104-230F
Delayed start up to 48hrs in advance
Optional Built-in Wi-Fi interface for HUUM mobile app
8 Language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
Inside/outside sauna room installation
Optional smart heating setting
Available decorative control display panels
Displays set temperature and room temperature
Temperature sensor
Door sensor to keep the heat inside the room
Remotely located main control module
Connects to lights and ventilation
Overheat protection
Child safety lock
Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)

Stones 12

Olivine diabase sauna stones
Rounded shape to complement heater design
Durable with high-heat capacity
Stones range from 1" to 2" (3-5 cm)

STEEL Mini 3.5
Kilowatt Rating	3.5 KW
Minimum Cubic Feet	106 CF
Maximum Cubic Feet	177 CF
Heater Weight	32 lbs
Shipping Weight with Sauna Stones	165 lbs
240V, Single Phase Amperage	--
Width	12.6" W (320mm)
Depth	6" D (150mm)
Height	38.4" H (975mm)


UKU
Minimum Temperature Setting	104 F
Maximum Temperature Setting	230 F
Shipping Weight	20 lbs
Console Dimensions
Width	2.2" (55mm)
Depth	0.9" (22mm)
Height	4.1" (105mm)
Main Module Dimensions
Width	3.5" (90mm)
Depth	2.3" (58mm)
Height	5.6" (142mm)
Display Panel Cable
Length	9.8 ft
AWG	22
Temp Sensor Cable
Length	16.4 ft
AWG	24
Door Sensor Cable
Length	16.4 ft
AWG	24

This package includes everything you need to run your sauna environment. Exact configuration depends on the variant you select

3.5kW sauna heater
Wall fastening bracket
Installation & Operation manual

UKU

Black Control console
Main control module
Temperature sensor
Door sensor
Control display panel cable
Temperature sensor cable
Door sensor cable
Installation and operation manual

Stones 12

132 lbs of 1" to 2" (3-5 cm) round Olivine sauna stones

The size of HUUM Steel requires it to be shipped on a wooden pallet. You will receive a tracking number as soon as your order has been shipped out. All our shipments are fully insured. HUUM products are shipped from Chicago. The pallet will be delivered to your curbside. Carrier will call you to set up the delivery of the pallet before delivery. Shipping is free. For white glow delivery or express shipping options, contact us.

Cancellations

You can cancel your order, before the product has shipped, free of charge. We will initiate a 100% refund on orders canceled before shipping.

Returns

The HUUM products have a 30 day return policy. Meaning that you can return the product as long as you let us know that you want to initiate a return during the 30 day period starting from the date the product is delivered to you.

You can return this HUUM product if it is unused. Meaning you have not tried to install the product, nor used it in any way. If you have received your product with free shipping, you’re responsible for the return shipping cost. You will also have to pay a restocking fee of 35% from the final purchase price of the item you return. In case you return your product, once we have inspected it at the warehouse, and verified it’s unused, we will refund the card you used to purchase the HUUM according to this policy.

Installation & Operation manual

Stone requirements

Elements required

Warranty

Certificate of Compliance

Key Features

Heats to 230°F

Superior Steam

Control Unit Options

Heats to 230°F

HUUM electric sauna heaters get hotter than any other in North America, reaching up to 230°F. They use SGS standards, which are fully accepted in the US, allowing saunas to achieve desired temperatures effortlessly.

Other sauna heater companies are UL-listed and can't go above 194°F. This often results in lower temperatures at bench level, making it difficult to achieve the desired sauna experience.

Superior Steam

The amount of metal used in HUUM sauna heaters is very small – this ensures that the majority of the heat derives from the stones, and not from the metal. This maximizes the proportion of beneficial negative ions in the air, which is also high in the traditional wood-heated sauna.

This and the exceptionally large quantity of sauna rocks are the secret ingredients of the curative, gentle and durability that stands the test of time steam of our sauna heaters.

Control Unit Options

HUUM sauna control system has 2 different configurations; local and WiFi enabled. When you have a local control system, you can control the sauna from the control panel placed on the wall outside of your sauna room.

When you have a WiFi-enabled system, you can control the sauna through an app on your phone (regardless of your location), or from the control panel itself.

Highly Recommend This Company

The team at Soaknsweat was absolutely incredible. I honestly didn’t think customer service like this still existed. Kris and the crew actually answered the phone, patiently walked me through every question, and helped me make several key decisions for my sauna setup. They followed up quickly, were extremely professional, and truly earned my business and recommendation. Their YouTube content was also a huge help during the planning phase — and one of the main reasons I chose to order from them. Thanks, team!

Building Phase

I’m currently in the process of designing and building a sauna. After a lot of online research and frustration, I discovered Soak 'n Sweat — and it was a game changer. Their educational page covers every aspect of sauna design and answered nearly all my questions through detailed articles and videos. When I reached out via chat, Kris patiently addressed the rest of my questions without any pushy sales tactics. These folks really know their stuff, provide great products, and make the whole experience smooth and informative. Thank you!

All my questions answered

I had a question and reached out through the Soak 'n Sweat website chat — and within moments, a real person responded. Kris even went above and beyond by giving me a call, making it easy to get answers right away — and it was after business hours! Their knowledge, patience, and genuine willingness to help made the entire experience smooth and stress-free. I’m extremely impressed with their customer service and highly recommend Soak 'n Sweat to anyone looking for quality products and exceptional support.

Smooth transaction

This was my first time building a sauna, and I had tons of questions. Kris patiently guided me through everything — from venting and placement to the electrical setup. Thanks to the help, the heater installation went perfectly!

Great service and support

The response time was excellent, and every question we had was answered quickly. Their technical support was also outstanding. I’d definitely recommend Soaknsweat to anyone!

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HUUM Steel Mini 4 Sauna Heater Package (3.5kW Heater + Control Unit + Stones)

About the HUUM Steel Mini 4 Sauna Heater Pkg

Product Details

Customer Reviews

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