HUUM STEEL Mini

$1,576.00

A compact 3.5 kW wall-mounted sauna heater with exceptionally short safety distances for modest sauna rooms of 123–212 cu. ft. HUUM UKU control and stones sold separately.

Required for operation (sold separately): HUUM UKU control; 133 lbs of sauna stones (4 × 33 lb boxes, 1″–2″ (3–5 cm) stones).

The compact HUUM STEEL Mini is a 3.5 kW wall-mounted sauna heater with exceptionally short safety distances, especially suited to modest sauna rooms. It is designed for sauna spaces of 123 to 212 cubic feet.

It runs on 240V single-phase power, holds 133 lbs of stones, and works with the HUUM UKU control. An internal air duct helps it heat up to 25% faster, according to HUUM.

Features

  • Slender design for small saunas with limited space
  • Small safety distances
  • Internal air duct; HUUM states it heats up to 25% faster
  • For sauna rooms from 123 to 212 cu. ft.
  • 133 lb stone capacity (4 boxes, sold separately)
  • Direct contact between stones and heating elements
  • Works with HUUM UKU controls (sold separately)

Specifications

Model Power Electrical Amps Room size Stone capacity
HUUM STEEL Mini 4 3.5 kW 240V 1-phase 14.58 A 123–212 cu. ft. 133 lbs

Required for Operation (Sold Separately)

HUUM UKU control; 133 lbs of sauna stones (4 × 33 lb boxes, 1″–2″ (3–5 cm) stones).

What’s Included

  • Sauna heater
  • Wall fastening bracket
  • Installation and operation manual
  • 5-Year limited warranty (excluding elements)

Warranty

Limited 5-year warranty (excludes heating elements).

Documents

Questions about sizing, electrical requirements, or installation? Talk with a Royal Spa product specialist.

Additional information

Weight 32 lbs
Heater Power

3.5 kW

Installation

Standing wall-mount

Control

HUUM UKU (sold separately)

Electrical

240V 1-phase, hardwired

Stone Capacity

133 lbs

Room Size

123–212 cu. ft.

Construction

Stainless Steel

Certifications

CE, SGS, IPX4

Warranty

Limited 5-year warranty (excludes heating elements)

*Royal Spa products are designed to promote relaxation and general wellness and are not medical devices. They are not intended to diagnose, treat, cure, or prevent any disease or medical condition. Always consult a qualified healthcare provider before beginning any new wellness, hydrotherapy, or cold/heat exposure routine.