HUUM DROP 9kW Sauna Heater
Best wall-mounted heater for design-conscious homeowners seeking authentic, high-capacity steam.
Experience the HUUM DROP 9kW sauna heater, a fusion of Estonian craftsmanship and modern design. Its distinctive water drop shape adds a unique aesthetic to your sauna. Engineered for efficiency, it heats volumes between 282–530 cu. ft., providing consistent, gentle warmth. This wall-mounted unit holds up to 122 lbs of stones for superior steam. Crafted from durable stainless steel and recognized with a Red Dot Award, it offers European quality with a 5-year warranty. Compatible with UKU Wi-Fi controls for convenient preheating, it requires stones sold separately.
$1751.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 154
#2 in Sauna Heaters
Price vs Category Average
-25%
Below average
Power
9
/ kW
Who it's for
- Design-conscious homeowners seeking a modern, sculptural sauna centerpiece
- Traditional sauna bathers prioritizing soft, consistent, and high-quality steam
- Space-constrained owners needing to maximize limited sauna floor area
Who should skip it
- Budget-focused buyers looking for a more affordable heating solution
- Shoppers preferring an all-in-one unit with integrated controls
- Homeowners with wall structures unable to support significant heavy loads
Performance breakdown
Steam Quality
Massive stone capacity ensures deep, soft, and consistent löyly production.
Design Aesthetic
Iconic teardrop silhouette elevates the sauna into a modern design statement.
Smart Connectivity
Seamless UKU integration allows for effortless remote preheating and temperature management.
Build Durability
High-grade stainless steel construction withstands intense heat cycles with ease.
Heating Efficiency
Optimized for medium-sized rooms, delivering rapid and even thermal distribution.
Space Optimization
Wall-mounted profile preserves valuable floor space in compact sauna environments.
Key Specs
Power
9kW
Voltage/Phase
240V/1PH
Stone Capacity
122 lbs.
Recommended Sauna Volume
282–530 cu. ft.
Construction Material
Stainless steel
Control Type
External Digital (UKU compatible)
Certification
SGS
Warranty
5-year limited warranty (excluding elements)
Features
- Elegant water drop design
- Wall-mounted for space efficiency
- Holds up to 122 lbs of stones
- Provides consistent, gentle heat
- Durable stainless steel construction
- Authentic Estonian design
- Red Dot Award winner
- Wi-Fi control compatible
What customers say
The HUUM DROP 9kW Sauna Heater earns high praise centered on its exceptional design and superior steam quality. Users consistently admire the unique spherical structure, which accommodates a large stone capacity. This volume of stones is key to producing the soft, humid löyly that defines the premium HUUM experience. Build quality using high-grade stainless steel reinforces the heater's durable, luxurious feel. While the initial cost is premium, owners feel the enhanced, consistent heat performance and stunning aesthetics fully justify the investment. The overall consensus is that this heater delivers a significant upgrade for serious sauna enthusiasts prioritizing heat quality and visual appeal.
Know before you buy
This heater is designed for sauna rooms ranging from 282 to 530 cubic feet. If your sauna falls outside this range, you may need a different power output to ensure efficient heating.
No, the stones are sold separately. You will need to purchase 122 lbs of sauna stones to fill the unit to its full capacity.
The heater requires an external control unit. It is compatible with HUUM’s UKU Wi-Fi controllers, which allow you to manage your sauna temperature and preheating settings remotely.
The 122 lb stone capacity is a key feature that allows for superior steam generation and a more consistent, gentle heat. By holding more stones, the heater retains heat longer and provides a softer, more traditional sauna atmosphere.
Yes, the 9kW unit is designed for residential saunas. It requires a 240V/1PH power supply, so ensure your electrical setup can accommodate these requirements before installation.
The stainless steel construction is durable and resistant to the high-humidity environment of a sauna. Simply wipe it down with a damp cloth periodically to keep the exterior clean and free of water spots.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$1751