Enjoy a stress-free sauna shopping experience with the HUUM Core 9 kW Electric Sauna Heater Package. This complete kit comes with the HUUM Core 9 kW Heater, an UKU Controller in your choice of style, and all the stones required for operation.

HUUM Core 9 kW 240V/1PH Electric Sauna Heater

Create a sauna that speaks to your personal style with the HUUM Core 9 kW 240V/1PH Electric Sauna Heater. Available in a variety of paneling and inlay options, you have the freedom to stretch your creativity with classic options like aspen and alder as well as modern tones like black and thermo-aspen. For even more customization capacity, the naked finish arrives bare and ready for you to attach your own paneling.

The 66 lb. stone capacity welcomes water-pouring, inviting you to indulge in the soothing steam of traditional Finnish sauna. The heater’s compact profile is perfect for tight layouts, offering minimal safety distance constraints and safe mounting directly on wooden floors. Designed for saunas from 283 - 460 ft³ (adj.), this heater delivers temperatures up to 230℉ for the hottest sessions.

HUUM UKU Controller

Dial in the perfect sauna experience with the included HUUM UKU Controller. This panel lets you adjust temperatures and schedule sessions in advance to ensure your sauna is ready when you are. It can also connect to sauna lighting and ventilation for convenient control over the mood of the session. Available in classic, wood, and glass models, this controller offers an effortless way to customize your sauna.

HUUM Core Heater

1x HUUM Core 9 kW Sauna Heater

1x Pack of HUUM Adjustable Legs

1x HUUM Core Installation and Operation Manual

HUUM UKU External Controller

1x HUUM UKU External Controller

1x Main Control Module and Cable

1x Temperature Sensor and Cable

1x Door Sensor and Cable

1x Installation & Operation Manual

HUUM Core Stone Package

2x 33 lb. Boxes of HUUM Stones 24 (66 lbs.)

Model	Core 9
Heater Type	Electric
Sauna Size Range	283 - 460 ft³ (adj.)
Stone Capacity	66 lbs.
Maximum Temperature	230℉
Kilowatt Rating	9 KW
Heater Weight	41.9 lbs
Shipping Weight w/ Stones	110 lbs
240V, 1 Ph Amperage	37.5 Amps
Circuit Breaker Amperage	50 Amps
Wire Size	8 AWG
Heater Dimensions	32.7”H x 15.16”W x 15.16”D
Safety Distances*	Heater: Installation & Operation Manual UKU Controller: Installation & Operation Manual

*Reference Installation & Operation Manual for full specs/wiring diagrams/safety distances

Sizing

The HUUM Core 9 kW 240V Electric Sauna Heater Package is recommended for saunas ranging from 283 - 460 ft³ (adj.).

You must calculate your sauna’s Adjusted Cubic Feet to choose the right heater size. This accounts for cold surfaces like glass, tile, and natural rock wall segments.
- Sauna Heater Size Calculator

Need assistance? Click the green chat button in the bottom right corner of your screen or call one of our Sauna Experts for help sizing your heater.

(725) 777-5484

HUUM Core Heater Manuals

HUUM UKU Controller Manuals

Shipping

All our sauna heaters ship for free from Chicago via UPS or FedEx.
Heaters are typically shipped within 2 - 4 business days.
It will take approximately 1 - 2 weeks for your heater to arrive depending on where you live. If there are any delays in shipping, we will reach out to you directly with the new projected arrival date.
For a more specific timeframe, contact us.
- (725) 777-5484
We offer express shipping options, reach out to us for a quote.

ATTENTION: Shipping and delivery times may increase based on seasons and holidays.

Cancellations

We will issue a 100% refund on orders canceled within 4 business days. If an order is canceled after this 4-day grace period ends, there will be a 3% cancellation fee. Please reach out to our support team if you need to cancel your order after it has shipped.

Returns

Our heaters include a 30-day return policy.

You can return this product if:

You initiate your return within 30 days of product delivery date.
The product is unused and in its original packaging.
Installation has not been attempted.

If these requirements are met, your return will be accepted. However, you will be responsible for the return shipping cost and a 20% restocking fee. After we receive the return and it has been inspected at our warehouse, we will refund your original payment method in accordance with the policy listed above.

Product Details

Core Customization

WIth several outer panels and inlay options to choose from, the HUUM Core puts artistic freedom in your hands to help you create the sauna of your dreams.

Complete Heater Package

The HUUM Core Heater Package is a stress-free, all-in-one solution for your sauna build. Each piece is hand-picked for you by our Sauna Experts to ensure you have everything necessary for operation.

Water-Pouring Welcome

All HUUM electric sauna heaters are built for water pouring to produce the gentle steam that sets Finnish sauna culture apart from the rest.

Check out our Sauna Buckets and Ladles.

HUUM Gets Hot

HUUM electric sauna heaters are SGS certified, reaching up to 230°F for the hottest sauna sessions.

Setting up

Delivery

Your HUUM sauna heater will generally be shipped as a FedEx or UPS package. The package, or packages will be delivered to your door. You will receive a tracking number as soon as your order has been shipped out. All our shipments are fully insured. HUUM products are shipped from Chicago.

Electrical Requirements

HUUM Core will require 240V/1PH electrical line. In case you want to wire with 208V, the power output will go down by 25%. You will need a 50 Amp circuit breaker and your electrician needs to use wire size 8 AWG. You can see the wiring diagram for the system here.

Sauna Sizing

This HUUM Core sauna heater is suitable for home saunas up to 460 adjusted cubic feet. Use our calculator or contact if you want to verify the size of your sauna.