What's Included & Downloads
- 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.
- 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)
- 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.
- 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)
- 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.
- 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)
- 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.
- 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)
- 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.