HUUM Steel 9kw Electric Sauna Heater

$1,799.00

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Sauna Heater Controls

HUUM Sauna Controller UKU Local Black
HUUM UKU Local Digital On/Off, Time, Temperature Control- Black (+$859.00)
HUUM Sauna Controller UKU Black Wifi App
HUUM UKU Wi-Fi Digital On/Off, Time, Temp Control with WiFi - Black (+$1,277.00)
HUUM Sauna Controller UKU Mirror Wifi App
HUUM UKU Mirror Sauna Heater Control with Wi-Fi, Digital On/Off, Time,Temp, Mirror (+$1,837.00)
HUUM Sauna Controller UKU Gold Wifi App
HUUM UKU Gold Sauna Heater Control with WiFi, Digital On/Off, Time,Temp, Gold (+$2,168.00)

Required Stones ( 10 boxes)

(1 box = 33 lbs)

Huum Stones
HUUM Stones 12 Extra Small (3-5 cm) Sauna Heater Stones(+$650)

Safety

Huum Rail S
HUUM Rail S - Safety Rail for STEEL Series Sauna Heaters (+$540.00)
Huum reflective S
HUUM Reflect S - Reflector Panel for STEEL Series Sauna Heaters (+$347.00)
HUUM Cliff Embedding Flange
HUUM Flange CS- Embedding Flange for CLIFF/STEEL Series Sauna Heaters (+$376.00)

Sauna Heater Addon

Sauna Bucket with curved handle and Ladle, Bamboo/Aluminum, 1Gal Black
Sauna Bucket with curved handle and Ladle, Bamboo/Aluminum, 1Gal Black ( +$136.00)
Sauna Bucket with curved handle and Ladle, Bamboo/Aluminum, 1Gal White
Sauna Bucket with curved handle and Ladle, Bamboo/Aluminum, 1Gal White ( +$136.00)
Product price: $1,799.00
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HUUM Steel Electric Sauna Heater In Sauna

HUUM Steel 9: a 9 kW floor heater for saunas from 318 to 529 cubic feet

The HUUM Steel 9 is a floor standing electric sauna heater made in Estonia, rated at 9 kW for rooms from 318 to 529 cubic feet. The stainless steel column measures just 12.6 inches square and 38 inches tall and weighs 33 pounds. It can sit within a few inches of the wall, taking up very little floor space for the room it heats. An internal air duct brings the sauna up to temperature up to 25 percent faster. The column holds 331 pounds of stones directly against the heating elements for soft, steady heat and lasting steam.

The box contains the heater and manual. It needs a HUUM UKU control to run, and you add that on the page. Choose the Wi-Fi version and you can start the sauna from your phone. Sauna stones are sold separately, so add the 10 boxes it needs on the page. A safety rail, a reflector panel, an embedding flange, and a bucket and ladle set are optional. Want the control and stones bundled? See the HUUM Steel 9 heater package. The HUUM Steel 9 ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.

Features

  • Sleek design
  • Suitable for use in saunas with limited space
  • Small safety distances
  • Heats up to 25% faster due to internal air duct
  • For sauna rooms from 318 to 529 cu. ft.
  • Works with UKU controls (sold separately)
  • 331 pound stone capacity (required 10 boxes sold separately)
  • Direct contact between stones and heating elements
  • More exposed stones create a longer and milder heat
  • Stainless steel construction
  • Stainless steel, industrial quality heating elements​
  • Floor model
  • Designed, engineered, and made in Estonia
  • Dimensions: 12.6″ W (320mm) x 12.6″ W (320mm) x 38.4″ H (975mm)
  • Limited 5-year warranty (excluding elements)

Includes

  • 9.0kW sauna heater
  • Installation and operation manual
  • 5-Year limited warranty (excluding elements)

Specifications

Model STEEL 9.0
Kilowatt Rating 9.0 KW
Minimum Cubic Feet 318 CF
Maximum Cubic Feet 529 CF
Heater Weight 33 lbs
Shipping Weight with Sauna Stones 364 lbs
240V, Single Phase Amperage —
Width 12.6″ (320mm)
Depth 12.6″ (320mm)
Height 38.4″ (975mm)

Manual

STEEL IOM 2022

FAQ

What size sauna does the STEEL 9 serve?

Rooms from 318 to 529 cubic feet, per the features and specification tabs. It is the middle size in the STEEL series, between the 6kW and 10.5kW floor models, so measure your room volume and match it to the range.

Why does it carry so much stone?

The description credits the well-optimized structure: 331 pounds of rock in a slim 12.6-inch-square column. All that thermal mass is what delivers steadier heat and stronger steam; the ten required boxes are listed in the Required Stones add-on on this page.

How close can it sit to the walls?

The description quotes a minimum safety distance of just 4 inches for the larger STEEL models thanks to the optimized structure. Always confirm the exact clearance for your specific installation in the manual before finalizing the sauna framing.

What control does it need?

A HUUM UKU control, sold separately but available in the Sauna Heater Controls add-on on this page – UKU Local, Wi-Fi, Mirror, or Gold. The Wi-Fi versions connect to the HUUM smartphone app so the sauna can be started remotely.

Is it quick to heat?

The features tab lists up to 25 percent faster heating from the internal air duct. The pattern with this series is a fast climb to temperature, then a long, mild heat sustained by the unusually heavy stone load surrounding the elements.

What are the warranty and electrical notes?

A limited 5-year warranty excluding heating elements, stainless steel build, made in Estonia. The spec table’s amperage row is blank on this page, so a licensed electrician should pull circuit sizing from the installation manual rather than the listing.

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