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- Manufacturer warranty backed
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HUUM DROP Sauna Heater Package
Available in 4.5kW, 6.0kW, and 9.0kW
Bring sculptural design and elevated sauna performance into your space with the HUUM DROP Sauna Heater Package. Inspired by the shape of a water droplet, the DROP combines award-winning European design with powerful, steam-rich heat for a more refined sauna experience.
Each package includes the HUUM DROP heater, UKU digital control, and rounded olivine sauna stones—everything needed to create a beautifully balanced traditional sauna environment. With its large exposed stone capacity and sleek wall-mounted profile, the DROP is designed for bathers who want both aesthetics and performance.

the HUUM DROP series sauna heater
Why We Selected the HUUM DROP Sauna Heater Package
The HUUM DROP stands out for its ability to deliver a softer, longer-lasting heat while bringing a distinctly elevated look to the sauna space. Its sculptural silhouette, generous stone capacity, and optional Wi-Fi functionality make it an exceptional choice for those designing a sauna that feels both intentional and high-end.

The Experience
Unlike many compact electric heaters, the HUUM DROP holds an impressive volume of stones, allowing for a richer steam experience and more consistent heat. Water can be ladled directly onto the stones for a traditional sauna feel with gentle, lingering warmth. Paired with the UKU control system, the experience becomes even more seamless—especially with the optional Wi-Fi upgrade for remote preheating.

How It Supports Recovery & Longevity
A traditional sauna practice can become a powerful part of a recovery-focused wellness routine. Consistent heat exposure may support relaxation, circulation, and post-exertion recovery while creating a restorative environment for stress reduction and intentional daily reset. The HUUM DROP package is ideal for those who want a traditional high-heat sauna experience paired with modern control and design-forward craftsmanship.
Key Features
- Available in 4.5kW, 6.0kW, and 9.0kW
- Includes HUUM DROP heater, UKU control, and sauna stones
- Distinctive award-winning water drop design
- Large 122 lb stone capacity for soft, consistent heat and steam
- Wall-mounted design with a compact footprint
- Stainless steel construction
- Industrial-quality stainless steel heating elements
- Designed, engineered, and made in Estonia
- Compatible with UKU Local or UKU Wi-Fi control
- Optional Wi-Fi capability allows remote sauna preheating
- Rounded olivine diabase stones complement heater design
- SGS listed
- Limited 3-year residential warranty and 1-year commercial warranty
(excluding elements)
Resources
HUUM DROP Heater
- Sauna heater in selected size
- Wall-mount bracket
- Installation and operation manual
UKU Control Package
- Black control console
- Main control module
- Temperature sensor
- Door sensor
- Control display panel cable
- Temperature sensor cable
- Door sensor cable
- Installation and operation manual
Sauna Stones
- Rounded olivine diabase sauna stones
- 2"–4" stones
- Approx. 132 lbs
Owners Manual
UKU installation video
Stone replacement video
UKU Owners Manual
Installation Video
Heater Dimensions
- Width: 15.4"
- Depth: 13.2"
- Height: 23.3"
UKU Control Dimensions
Control Console
- Width: 2.2"
- Depth: 0.9"
- Height: 4.1"
Main Control Module
- Width: 3.5"
- Depth: 2.3"
- Height: 5.6"
Variant Specifications
4.5kW
Best for sauna rooms: 106–248 cubic feet
Model: DROP 4.5STU Pkg
Heater Model: DROP 4.5
Kilowatt Rating: 4.5kW
Heater Weight: 24 lbs
Shipping Weight with Stones: 146 lbs
Voltage/Phase: 240V / Single Phase
Amperage: 18.75 Amps
Wire Size: 10 AWG
6.0kW
Best for sauna rooms: 177–318 cubic feet
Model: DROP 6STU Pkg
Heater Model: DROP 6.0
Kilowatt Rating: 6.0kW
Heater Weight: 24 lbs
Shipping Weight with Stones: 146 lbs
Voltage/Phase: 240V / Single Phase
Amperage: 25 Amps
Wire Size: 10 AWG
9.0kW
Best for sauna rooms: 283–460 cubic feet
Model: DROP 9STU Pkg
Heater Model: DROP 9.0
Kilowatt Rating: 9.0kW
Heater Weight: 24 lbs
Voltage/Phase: 240V / Single Phase
Stone Capacity: 122 lbs
Wire size and breaker requirements: See installation manual
This heater package ships with the heater, control components, and sauna stones needed for installation. Because sauna heaters are a specialty product, shipping timelines may vary based on availability and destination. We recommend professional installation by a qualified electrician and reviewing all manuals before install.
Warranty
The HUUM DROP Heater Package includes a limited 3-year residential warranty and limited 1-year commercial warranty, excluding heating elements. Core Human Health is here to help guide you through heater sizing, compatibility, and sauna planning before purchase.
Video
“Invest in a recovery ritual you’ll return to.”
HUUM DROP Electric Sauna Heater Package with UKU Control Options Review Summary
What people like
Pros
- Beautiful organic design: The award-winning aesthetic serves as a visual focal point and modernizes the look of the sauna room.
- Large stone volume: The ability to hold a significant amount of rocks ensures a soft, high-quality steam and long-lasting heat retention.
- Space efficient installation: The wall-mounted configuration saves valuable floor space, allowing for more flexible seating arrangements inside the cabin.
- Mobile app integration: When used with the compatible Wi-Fi controller, the system offers the convenience of remote preheating via a smartphone.
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