Skip to content
Summer Season Sale Going on Now | Call for Best Price 👉 (877) 790-6650
Summer Season Sale | Call 877-760-6992 for Best Price

HUUM Steel Mini 4 Electric Sauna Heater (3.5kW)

SKU:

  • From HUUM's Steel series of electric sauna heaters
  • Compact size: 12.6" W x 6" D x 38.4" H
  • Perfect for saunas up to 212 ftÂł (most 3-4 person saunas)
Save $946 Save $319
Original price $1,594
Original price $1,594 - Original price $4,728
Original price $1,594
Current price $1,275
$1,275 - $3,782
Current price $1,275

At a Glance

Electric Heater

plugs into a 240-Volt electrical outlet (see all 240V heaters or see 208VAC or 120V heaters)

From HUUM's

HIVE series of beehive-shaped heaters (see other HUUM designs)

3.5kW Heater

rated for saunas up to 212 ftÂł (most 3-4 person saunas)

Wall-Mounted

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

Required Components

heater requires a UKU control unit and 132 lbs. of sauna stones to operate

Electric Heater

plugs into a 240-Volt electrical outlet (see all 240V heaters or see 208VAC or 120V heaters)

From HUUM's

HIVE series of beehive-shaped heaters (see other HUUM designs)

3.5kW Heater

rated for saunas up to 212 ftÂł (most 3-4 person saunas)

Wall-Mounted

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

Required Components

heater requires a UKU control unit and 132 lbs. of sauna stones to operate

Quick Overview

Elegant design meets superior performance. The compact, wall-mounted STEEL Mini 3.5 kW electric sauna heater has an exceptionally short safety distances, ideal for smaller sauna rooms. The STEEL Mini 3.5kW sauna heater is designed for sauna spaces up to 212 cubic feet (CF).

The HUUM STEEL Mini has an exceptionally large rock capacity compared with other heaters in this power range, resulting in a more consistent heat, more steam capability, and a superior bathing experience. 

Additional Information

Key Features

  • 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 123 to 212 cu. ft.
  • Works with UKU controls (sold separately)
  • 133 pound stone capacity (required 4 boxes sold separately)
  • 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)
  • Limited 3-year residential warranty and limited 1-year commercial warranty (excluding elements)

  • 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 123 to 212 cu. ft.
  • Works with UKU controls (sold separately)
  • 133 pound stone capacity (required 4 boxes sold separately)
  • 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)
  • Limited 3-year residential warranty and limited 1-year commercial warranty (excluding elements)

Included
Specifications

Swipe horizontally to reveal full table content.
Model STEEL Mini 3.5
Kilowatt Rating 3.5 KW
Minimum Cubic Feet 123 CF
Maximum Cubic Feet 212 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)

Swipe horizontally to reveal full table content.
Model STEEL Mini 3.5
Kilowatt Rating 3.5 KW
Minimum Cubic Feet 123 CF
Maximum Cubic Feet 212 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)

Shipping Info

About This Delivery: This sauna heater system requires a scheduled appointment. It arrives on a wooden pallet and is encased in three-ply cardboard for solid protection. The driver is responsible for “delivery only” and will provide limited assistance at the site. Prior to shipping, we may contact customers to share shipment details and needs and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. Our goal is to ensure your project’s success.  

Freight Quote Requests: email support@soaknsweat.com Please include sauna heater model number and full shipping address.  

Accessory Freight: Sauna accessories can be shipped with this sauna heater to save on shipping costs. Consider adding accessories to sauna heater orders to save on freight costs.

About This Delivery: This sauna heater system requires a scheduled appointment. It arrives on a wooden pallet and is encased in three-ply cardboard for solid protection. The driver is responsible for “delivery only” and will provide limited assistance at the site. Prior to shipping, we may contact customers to share shipment details and needs and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. Our goal is to ensure your project’s success.  

Freight Quote Requests: email support@soaknsweat.com Please include sauna heater model number and full shipping address.  

Accessory Freight: Sauna accessories can be shipped with this sauna heater to save on shipping costs. Consider adding accessories to sauna heater orders to save on freight costs.