HUUM DROP 9STU Pkg
Best sculptural electric heater for design-conscious home sauna enthusiasts.
Elevate your sauna experience with the HUUM DROP 9STU PKG, a fusion of modern design and exceptional performance. This electric heater, crafted in Estonia, boasts a unique water drop shape and a generous stone capacity for consistent, mild heat and abundant steam. It includes 132 lbs of Olivine stones and the intuitive UKU Local control for precise temperature management and safety features. Designed for rooms up to 530 cubic feet, it brings award-winning aesthetics and reliable warmth to your home sauna.
$2699.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 162
#2 in Sauna Heaters
Price vs Category Average
+16%
Above average
Kilowatt Rating
9.0
/ KW
Who it's for
- Space-constrained builders maximizing floor area in custom sauna rooms
- Design-conscious homeowners creating a modern, high-end sauna aesthetic
- Sauna purists seeking soft, consistent, and rich steam quality
Who should skip it
- Owners of tiny or uniquely shaped rooms with limited clearance
- Budget-focused shoppers looking for a more affordable heating solution
- Impatient bathers wanting a rapid pre-heat before their sauna session
Performance breakdown
Steam Production
Massive stone capacity ensures intense, long-lasting löyly for every session.
Aesthetic Impact
The iconic water drop silhouette serves as a stunning architectural centerpiece.
Thermal Consistency
Direct stone contact provides stable, mild heat without harsh temperature spikes.
Control Interface
UKU Local system offers intuitive, precise temperature management at your fingertips.
Build Quality
Robust stainless steel construction ensures durability in high-humidity sauna environments.
Smart Connectivity
Wi-Fi integration allows for seamless remote preheating before you even enter.
Key Specs
Kilowatt Rating
9.0 KW
Voltage
240V, Single Phase
Amperage
37.5 Amps
Stone Capacity
132 lbs of Olivine stones
Heater Dimensions
390mm W x 335mm D x 590mm H
Recommended Room Volume
7.98 m³ to 14.99 m³
Circuit Breaker Recommendation
50 Amps
Warranty
5 Years Limited
Features
- Sculptural water drop design enhances modern interiors
- Large stone capacity for sustained, mild heat
- Direct stone contact maximizes steam production
- Precise temperature control with UKU Local control
- Durable stainless steel construction for longevity
- Wi-Fi enabled for remote preheating
- Award-winning design from Estonia
- Integrated safety features for peace of mind
What customers say
The HUUM DROP 9STU earns high praise for its stunning modern aesthetic, where the unique rounded design significantly elevates any sauna space. Performance is equally celebrated. Users consistently highlight the soft, abundant steam produced by the large stone capacity, delivering a truly luxurious and comfortable heat experience. Although the initial cost is substantial, buyers agree that the superior quality and transformative design provide excellent value, establishing this unit as a true centerpiece for relaxation.
Know before you buy
This heater is designed for sauna rooms ranging from approximately 282 to 530 cubic feet (7.98 m³ to 14.99 m³). It is important to ensure your sauna is properly insulated to maintain these performance standards.
Yes, the included UKU Local control is Wi-Fi enabled, allowing you to preheat your sauna remotely via a smartphone app. This ensures your sauna is at the desired temperature exactly when you are ready to use it.
The 132-pound stone capacity allows for a more consistent, mild heat compared to heaters with fewer stones. Because the stones have direct contact with the heating elements, you get a more abundant and softer steam when water is applied.
The HUUM DROP 9STU requires a 240V single-phase power supply and a 50-amp circuit breaker. We strongly recommend having a licensed electrician handle the installation to ensure it meets local building and safety codes.
Yes, the heater is constructed from high-quality stainless steel specifically designed to withstand the high-heat and high-humidity conditions of a traditional sauna. This material choice ensures long-term durability and resistance to corrosion.
Yes, the package includes the full 132 lbs of Olivine stones required to fill the heater. These stones are specifically selected for their heat retention properties and durability in sauna environments.
Still have a question?
Ask Hayley anything about this product before you decide.