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HUUM Steel / Steel Mini Electric Sauna Heater (3.5–10.5 kW)

by HUUM
SKU: S104262
$2,895.00
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HUUM Steel Mini wall-mounted electric sauna heater
Family ownedChristchurch, NZ
New

HUUM Steel / Steel Mini Electric Sauna Heater (3.5–10.5 kW)

by HUUM
SKU: S104262
$2,895.00

Harvia Retailer | Quality Guaranteed

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Premium Cedar

Regarded as the best wood in the world for saunas — we never compromise on quality.

INCLUDED WITH YOUR PURCHASE

10-Year Limited Warranty

10
YEAR Limited Warranty

What's covered

  • Structural Warranty (Indoor Saunas) — 10 years
  • Internal Structural Warranty (Outdoor Saunas) — 7 years
  • Exterior Structural Warranty (Outdoor Saunas) — 5 years
  • Heater & Electrical Componentry Warranty — 2 years

Warranty applies to manufacturing defects under normal residential use. Commercial warranty terms vary — see the Warranty Section.

Warranty claim or question? Contact our team
Product ManualGuides and manuals for this product
2 PDFs
PDF HUUM-Steel-Manual PDF · opens in a new tab PDF Man-huum-uku-4-2-manual PDF · opens in a new tab
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Description

HUUM Steel Electric Sauna Heater

The HUUM Steel is a tall, slim column of steel mesh filled with stones. Because the heat comes off a big mass of stone, the steam is soft and even, and it looks like a sculpture in the corner of your sauna. The slimmer Steel Mini mounts on the wall for small saunas.

Choose your model
  • Steel Mini 3.5 kW (wall-mounted): for small saunas of 3–5 m³, up to 60 kg of stones
  • Steel 6 kW: for saunas of 6–10 m³, up to 150 kg of stones
  • Steel 9 kW: for saunas of 9–15 m³, up to 150 kg of stones
  • Steel 10.5 kW: for saunas of 10–17 m³, up to 150 kg of stones
Recommended stones (not included)
Good to know
  • Made in Estonia: designed by HUUM in Tartu and made entirely in Estonia, with parts of every heater cut and bent by hand
  • Control unit needed: the Steel has no built-in control, so it needs a separate control unit such as the HUUM UKU (sold separately). Ask us and we'll match one to it
  • Power supply: the Steel Mini can run on single-phase 230 V. The Steel 6, 9 and 10.5 need 400 V three-phase
  • Ordered in for you from Europe
Installation

The heater must be wired in by a registered electrician, following HUUM's manual and the safety distances in the specifications.

Why you'll love it
  • Soft, rolling steam from a big mass of stones
  • Striking design that becomes the centrepiece of the room
  • Small footprint for compact saunas
Specifications
Steel Mini 3.5 kW Steel 6 kW Steel 9 kW Steel 10.5 kW
HUUM code H1007011 H1006011 H1006021 H1006031
Mounting Wall Floor Floor Floor
Sauna room volume 3 – 5 m³ 6 – 10 m³ 9 – 15 m³ 10 – 17 m³
Dimensions 270L*160D*975H mm 320L*320D*975H mm 320L*320D*975H mm 320L*320D*975H mm
Net weight 10 kg 15 kg 15 kg 16 kg
Stone capacity 60 kg 150 kg 150 kg 150 kg
Supply / fuse 230 V 1N~ / 1 x 35 A or 3 x 10 A (see manual) 400 V 3N~ / 3 x 10 A 400 V 3N~ / 3 x 16 A 400 V 3N~ / 3 x 16 A
Power cable 3 x 6 mm² (single-phase) 5 x 1.5 mm² 5 x 2.5 mm² 5 x 2.5 mm²
Safety distances (ceiling / sides) 420 / 60 mm 420 / 50 mm 520 / 100 mm 520 / 100 mm
Control Separate control unit required
Availability

Availability Overview:

  • In Stock = Located in New Zealand for immediate dispatch
  • Out of Stock = Currently unavailable due to supplier shortages
  • Backordered = 4–6 weeks Delivery
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Guides & research

Learn more

View all guides
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Description

HUUM Steel Electric Sauna Heater

The HUUM Steel is a tall, slim column of steel mesh filled with stones. Because the heat comes off a big mass of stone, the steam is soft and even, and it looks like a sculpture in the corner of your sauna. The slimmer Steel Mini mounts on the wall for small saunas.

Choose your model
  • Steel Mini 3.5 kW (wall-mounted): for small saunas of 3–5 m³, up to 60 kg of stones
  • Steel 6 kW: for saunas of 6–10 m³, up to 150 kg of stones
  • Steel 9 kW: for saunas of 9–15 m³, up to 150 kg of stones
  • Steel 10.5 kW: for saunas of 10–17 m³, up to 150 kg of stones
Recommended stones (not included)
Good to know
  • Made in Estonia: designed by HUUM in Tartu and made entirely in Estonia, with parts of every heater cut and bent by hand
  • Control unit needed: the Steel has no built-in control, so it needs a separate control unit such as the HUUM UKU (sold separately). Ask us and we'll match one to it
  • Power supply: the Steel Mini can run on single-phase 230 V. The Steel 6, 9 and 10.5 need 400 V three-phase
  • Ordered in for you from Europe
Installation

The heater must be wired in by a registered electrician, following HUUM's manual and the safety distances in the specifications.

Why you'll love it
  • Soft, rolling steam from a big mass of stones
  • Striking design that becomes the centrepiece of the room
  • Small footprint for compact saunas
Specifications
Steel Mini 3.5 kW Steel 6 kW Steel 9 kW Steel 10.5 kW
HUUM code H1007011 H1006011 H1006021 H1006031
Mounting Wall Floor Floor Floor
Sauna room volume 3 – 5 m³ 6 – 10 m³ 9 – 15 m³ 10 – 17 m³
Dimensions 270L*160D*975H mm 320L*320D*975H mm 320L*320D*975H mm 320L*320D*975H mm
Net weight 10 kg 15 kg 15 kg 16 kg
Stone capacity 60 kg 150 kg 150 kg 150 kg
Supply / fuse 230 V 1N~ / 1 x 35 A or 3 x 10 A (see manual) 400 V 3N~ / 3 x 10 A 400 V 3N~ / 3 x 16 A 400 V 3N~ / 3 x 16 A
Power cable 3 x 6 mm² (single-phase) 5 x 1.5 mm² 5 x 2.5 mm² 5 x 2.5 mm²
Safety distances (ceiling / sides) 420 / 60 mm 420 / 50 mm 520 / 100 mm 520 / 100 mm
Control Separate control unit required
Availability

Availability Overview:

  • In Stock = Located in New Zealand for immediate dispatch
  • Out of Stock = Currently unavailable due to supplier shortages
  • Backordered = 4–6 weeks Delivery