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No Sales Tax (Except OH, FL, CA)

Summer DEALS Are Here

No Sales Tax (Except OH, FL, CA)

Summer DEALS Are Here

No Sales Tax (Except OH, FL, CA)

Summer DEALS Are Here

No Sales Tax (Except OH, FL, CA)

Summer DEALS Are Here

No Sales Tax (Except OH, FL, CA)

Summer DEALS Are Here

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  • Description

HUUM STEEL 9.0STU Pkg, 9.0kW Sauna Heater Package

Description

This HUUM Steel sauna heater package comes complete with the traditionally designed STEEL 9.0kW sauna heater, UKU control (WiFi optional), and sauna stones - everything you need to build your dream sauna experience. The package has been combined for use in sauna rooms up to 529 cubic feet (CF).

Features

STEEL 9.0kW Sauna Heater

  • 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)

UKU

  • Sleek Black control display panel
  • Multiple Color Options available (additional charges apply)
  • Settable on/off, time, temperature, and delay
  • Settable temperature range of 104-230F
  • Delayed start up to 48hrs in advance
  • Optional Built-in Wi-Fi interface for HUUM mobile app (additional charges apply)
  • 8 Language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
  • Inside/outside sauna room installation
  • Optional smart heating setting
  • Available decorative control display panels
  • Displays set temperature and room temperature
  • Temperature sensor
  • Door sensor to keep the heat inside the room
  • Remotely located main control module
  • Connects to lights and ventilation
  • Overheat protection
  • Child safety lock
  • Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
  • Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)

Stones 12

  • Olivine diabase sauna stones
  • Rounded shape to complement heater design
  • Durable with high-heat capacity
  • Stones range from 1" to 2" (3-5 cm)

Product Specifications

HUUM STEEL 9.0STU Pkg, 9.0kW Sauna Heater Package Product Specifications

Model STEEL 9.0STU Pkg

 

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)

 

UKU
Minimum Temperature Setting 104 F
Maximum Temperature Setting 230 F
Shipping Weight 20 lbs
Console Dimensions
Width 2.2" (55mm)
Depth 0.9" (22mm)
Height 4.1" (105mm)
Main Module Dimensions
Width 3.5" (90mm)
Depth 2.3" (58mm)
Height 5.6" (142mm)
Display Panel Cable
Length 9.8 ft
AWG 22
Temp Sensor Cable
Length 16.4 ft
AWG 24
Door Sensor Cable
Length 16.4 ft
AWG 24

What's in the box?

STEEL 9.0kW Sauna Heater

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

UKU

  • Black Control console
  • Main control module
  • Temperature sensor
  • Door sensor
  • Control display panel cable
  • Temperature sensor cable
  • Door sensor cable
  • Installation and operation manual
  • 5-Year limited warranty

Stones 12

  • 330 lbs of 1" to 2" (3-5 cm) round Olivine sauna stones

Product Manual

HUUM STEEL 9.0STU Pkg, 9.0kW Sauna Heater Package Product Manual

Huum Steel Installation & Operation Manual

Huum Steel Specification Sheet

HUUM Elements Required.pdf

Huum UKU Installation & Operation Manual

Huum UKU Install Diagram

Huum UKU Glass Mirror Install Diagram

Extension-Box-Installation.pdf

HUUM Stone Requirements 242302.pdf

UKU Installation Video

Product Warranty

Huum Steel Warranty

Huum UKU Warranty

Product FAQs

N/A

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.
REAL REVIEWS, REAL RESULTS

Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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HUUM STEEL 9.0STU Pkg, 9.0kW Sauna Heater Package