
Product Information
The HUUM CLIFF 9.0kW Sauna Heater is a slim, modern heater ideal for saunas with limited space. It is designed to efficiently heat sauna rooms up to 529 cubic feet. With remarkably small safety distances, it offers flexible and space-saving installation.
Made from durable stainless steel, it provides consistent and soft heat. This heater combines performance, elegance, and reliability for a superior sauna experience.



Product Features
The HUUM CLIFF 9.0kW sauna heater features a slim design with small safety distances, perfect for compact spaces.
It offers efficient heating for sauna rooms from 317 to 529 cu. ft., with a 165-pound stone capacity for consistent and milder heat.
Made with durable stainless steel, it works with UKU controls (sold separately) for enhanced convenience.

HUUM CLIFF Series 9.0kW Sauna Heater
- Space Optimization: Small safety distances ensure easy placement, saving room in tight sauna areas.
- Smart Controls: Compatible with UKU controls (sold separately), enabling effortless operation and preheating convenience.
- Accurate Stone Stacking: Features removable ribs for precise stacking, improving heat distribution and overall sauna efficiency.
- European Quality: Designed and crafted in Estonia with SGS certification and a 5-year warranty.
What’s Included?
- 9.0kW sauna heater
- 2 prop blocks (for removal of sauna rib slats)
- Installation and operation manual
- Limited 5-year warranty (excluding elements)

Additional Features
The HUUM CLIFF 9.0kW sauna heater offers compact dimensions, making it ideal for saunas with limited
space. Its 165-pound stone capacity ensures consistent and gentle heat.
The heater is made of premium stainless steel, features removable ribs for precise stone stacking, heats
25% faster with an air duct system, and works seamlessly with UKU controls.

Robust Construction
Made from premium stainless steel for durability, style, and resistance to sauna heat conditions.

Quiet Operation
Minimal noise during operation for a peaceful and relaxing sauna session.

Faster Heating Time
Heats up to 25% faster due to an internal air duct that improves heat flow.

Easy Installation
Wall-mounted model optimizes floor space, allowing for better sauna layout.
About HUUM
HUUM is an innovative Estonian company creating high-quality sauna heaters that blend exquisite design, smart technology, and traditional craftsmanship.
Founded by Siim Nellis, a third-generation sauna stove producer, HUUM draws on decades of expertise and Nordic sauna traditions.
Their award-winning designs, like the DROP heater, prioritize gentle steam, efficiency, and sustainability. Made in Estonia, HUUM brings the authentic sauna experience to the world.


Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
Specifications
Brand | HUUM |
SKU | H10042002 |
Model | CLIFF 9.0 |
Minimum Cubic Feet | 317 CF |
Maximum Cubic Feet | 529 CF |
Kilowatt Rating (KW) | 9.0 KW |
Heater Weight | 35 lbs |
Shipping Weight with Sauna Stones | 200 lbs |
Dimensions (W x D x H) | 10.6" (270mm) x 10.6" W (270mm) x 38.4" (975mm) |
Installation and Operational Manual | Cliff IOM |
Cliff Mini Spec Diagram | Spec Diagram |
HUUM Stone Requirments | Stone Requirements |
HUUM Elements Required | Elements Required |
HUUM Certificate of Compliance | Compliance Certficate |
Sizing Your HUUM | HUUM Size |
Warranty & Returns
Return Policy
Bathing Brands accepts returns of new, uninstalled items within 30 days of purchase. Contact us
promptly for a Return Authorization Number. For shipping damage, include photos and note if damage was
recorded upon delivery. Bathing Brands covers return shipping for damages or errors. For
change-of-mind returns, restocking fees are case-by-case, and customers cover shipping both ways. We
recommend insured shipping via the original method (Ground or LTL). Once returned, items are
inspected, and if damaged, you’ll be notified to file a claim with your shipper. Refunds are processed
after inspection. Custom or special-order items are non-returnable.
To request a return or refund, customers can use our contact form, email
(info@peakprimalwellness.com) , or phone
- (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the
refund, which typically takes 5-7 business days to post back to the original payment method. Refunds
can be applied via the customer’s preferred method, including card or bank transfer. Shipping
instructions and the return address will be provided upon contacting customer service. Please include
photos if the product arrives damaged.
Click here
to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
What makes the CLIFF 9.0kW suitable for small spaces?

Its slim design and small safety distances make it perfect for saunas with limited room.
What type of mounting does this heater use?

The CLIFF 9.0kW is a floor-mounted sauna heater.
What materials are used in its construction?

It is crafted from high-quality stainless steel for durability and modern aesthetics.
What is the stone capacity of the CLIFF 9.0kW?

It has a capacity of 165 pounds of stones, ensuring consistent heat and abundant steam.
Does the CLIFF 9.0kW work with smart controls?

Yes, it is compatible with HUUM UKU controls (sold separately) for advanced operation.
What type of heat does this heater provide?

It delivers soft, consistent, and long-lasting heat with direct contact between stones and heating elements.
Is it energy-efficient?

Yes, the design optimizes heat output while reducing energy consumption.