HUUM CLIFF 11STU Pkg CLIFF Series Sauna Heater Package
Best high-performance heater for homeowners seeking efficient, space-saving sauna design.
Experience premium heat with the HUUM CLIFF 11kW Sauna Heater Package, featuring the elegantly designed CLIFF heater, UKU control, and authentic Olivine stones. Engineered and made in Estonia, this electric heater boasts a slim profile and innovative internal ducting, enabling rooms up to 16.99 m³ to heat up to 25% faster. The included UKU control provides precise temperature management, safety features, and optional Wi-Fi connectivity for remote access. This complete set delivers a powerful, modern, and efficient sauna session with excellent steam production.
$3699.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 162
#2 in Sauna Heaters
Price vs Category Average
+59%
Above average
Heater Kilowatt Rating
10.5
/ KW
Who it's for
- Design-conscious buyers prioritizing a sleek, modern aesthetic
- Homeowners maximizing floor space in compact sauna rooms
- Wellness enthusiasts seeking a gentle, long-lasting steam experience
Who should skip it
- Owners of small saunas with limited interior clearance
- Budget-focused shoppers looking for standard heating solutions
- Users wanting low-maintenance, easy-to-service sauna equipment
Performance breakdown
Heating Efficiency
Internal air ducting accelerates room warm-up times by up to 25 percent.
Steam Quality
High stone capacity ensures consistent, soft steam for a traditional experience.
Space Optimization
Slim, vertical profile fits comfortably into compact sauna room layouts.
Control Interface
UKU digital controller offers intuitive, precise temperature management and remote connectivity.
Build Durability
Industrial-grade stainless steel construction ensures long-term reliability in harsh environments.
Installation Flexibility
Removable ribs simplify the process of stacking heavy stones for performance.
Key Specs
Heater Kilowatt Rating
10.5 KW
Recommended Sauna Volume
9.99 to 16.99 m³
Heater Dimensions
270mm W x 270mm D x 975mm H
Stone Capacity
74.84 kg of Olivine diabase stones
UKU Temperature Range
40°C to 110°C
Voltage
240V, Single Phase
Heating Elements Material
Industrial quality Stainless steel
Weight
103.42 kg (Total Package Weight)
Features
- Heats up to 25% faster with internal air ducting
- Slim design fits saunas with limited space
- More exposed stones for milder, longer heat
- UKU control manages time, temperature, and delay start
- Includes door sensor for temperature maintenance
- Removable ribs for accurate stone stacking
- Sleek black digital control display
- Designed, engineered, and made in Estonia
What customers say
Customers overwhelmingly praise the HUUM CLIFF 11STU for its superior design and exceptional heat quality. Its slim, wall-mounted profile elevates modern sauna aesthetics while saving space. The core appeal is the löyly, frequently described as soft, humid, and enveloping, a clear upgrade from standard heaters. Reviewers value the rapid heating and consistent temperature maintenance. While the initial investment and installation complexity are noted considerations, most users agree the premium, spa-like experience justifies the cost. This package is highly recommended for those prioritizing outstanding steam quality and sophisticated design.
Know before you buy
This heater is designed for sauna rooms ranging from 9.99 m³ to 16.99 m³ (approximately 353 to 600 cubic feet). It is important to stay within these dimensions to ensure the heater can reach and maintain your desired temperature effectively.
Yes, this is a complete package. It includes the CLIFF heater unit, the UKU digital control system, and the required 74.84 kg of Olivine diabase stones.
Yes, the included UKU control system supports optional Wi-Fi connectivity, allowing you to manage your sauna's temperature and timer settings remotely via a smartphone app.
The heater features specialized internal air ducts that facilitate better airflow through the stone stack. This design allows the sauna to reach your target temperature up to 25% faster than traditional electric heaters.
The HUUM CLIFF 11kW heater requires a 240V, single-phase electrical connection. We recommend having a certified electrician verify your local electrical capacity and wiring before installation.
The UKU control system includes a maximum timer duration of 48 hours and built-in overheat protection. Additionally, the included door sensor ensures the heater shuts off if the sauna door is left open, providing an extra layer of safety.
Still have a question?
Ask Hayley anything about this product before you decide.