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HUUM

HUUM DROP Series 4.5kW Sauna Heater with Stones and Control

4.8 156 online product reviews
$2,29900 $4,19900
Tax and shipping included in price. Discounts calculated at checkout.
Heater Control Package
Description

The HUUM DROP 4.5STU PKG features all the necessities to give your sauna space a touch of elegance.

The heart of this all-inclusive sauna heater package is the award-winning DROP 4.5kW electric sauna heater engineered for spaces up to 247 cubic feet (CF). Choose between the advanced UKU Local digital sauna control, or the added convenience of an UKU Wi-Fi control package which allows you to preheat your sauna from anywhere with your mobile device. Its impressive 122lbs of rounded olivine stones for a more consistent soft, high heat and superior steam.

The design of the HUUM DROP sauna heater is inspired by the purest element in nature – a drop of water. Its rounded design softens and compliments the angular interior of a classic sauna, giving it a touch of elegance. But DROP isn’t only about the looks. This compact wall-mounted heater can actually fit up to 122 lbs of stones, exceeding most wood-burning stoves and guaranteeing long-lasting steam.

Winner of the prestigious Red Dot Award in Europe for design, the HUUM DROP combines sculptural beauty with engineering excellence. It's exceptionally large rock capacity allows the sauna bather to ladle more water onto the stones for a more intense bathing experience while creating a more consistent, soft high heat. 

The available Wi-Fi control lets you preheat your sauna from anywhere. For bathers who want the absolute best sauna heater.

Features

Drop 4.5kW Sauna Heater

  • Unique water drop design
  • 240V/1PH operation
  • For sauna rooms from 106 to 247 cu ft
  • Works with UKU controls (sold separately)
  • 122 pound stone capacity (required 4 boxes sold separately)
  • Direct contact between stones and heating elements
  • More exposed stones create a longer and milder heat
  • Stainless steel construction
  • Stainless steel, industrial quality heating elements
  • Wall-mounted design
  • Designed, engineered, and made in Estonia
  • Dimensions: 15.4"W (390mm) x 13.2"D (335mm) x 23.3"H (590mm)
  • SGS Listed
  • Limited 5-year warranty (excluding elements)

UKU 

  • Sleek Black control display panel
  • Multiple Color Options available (additional charges apply)
  • Settable on/off, time, temperature, and delay
  • Settable temperature range of 104-230F
  • Delayed start up to 48hrs in advance
  • Optional Built-in Wi-Fi interface for HUUM mobile app (additional charges apply)
  • 8 Language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
  • Inside/outside sauna room installation
  • Optional smart heating setting
  • Available decorative control display panels
  • Displays set temperature and room temperature
  • Temperature sensor
  • Door sensor to keep the heat inside the room
  • Remotely located main control module
  • Connects to lights and ventilation
  • Overheat protection
  • Child safety lock
  • Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
  • Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)

Stones 24

  • Olivine diabase sauna stones
  • Rounded shape to complement heater design
  • Durable with high-heat capacity
  • Stones range from 2" to 4" (5-10 cm)
Includes

Drop 4.5kW Sauna Heater

  • 4.5kW sauna heater
  • Wall-mount bracket
  • Installation and operation manual
  • Limited 5-year warranty (excluding elements)

UKU

  • Black Control console
  • Main control module
  • Temperature sensor
  • Door sensor
  • Control display panel cable
  • Temperature sensor cable
  • Door sensor cable
  • Installation and operation manual
  • 5-Year limited warranty

Stones 24

  • 132 lbs of 2" - 4" (5-10 cm) round Olivine sauna stones
Assembly Video

 

 

Specifications
Model DROP 4.5STU Pkg
Model DROP 4.5
Kilowatt Rating 4.5kW
Minimum Cubic Feet 106 CF
Maximum Cubic Feet 247 CF
Heater Weight 24 lbs
Shipping Weight with Sauna Stones 146 lbs
240V, Single Phase Amperage 18.8 Amps
Circuit Breaker Amperage 30 Amps
Wire Size 10 AWG
Width 15.4"W (390mm)
Depth 13.2"D (335mm)
Height 23.3"H (590mm)
UKU
Minimum Temperature Setting 104 F
Maximum Temperature Setting 230 F
Shipping Weight 20 lbs
Console Dimensions
Width 2.2" (55mm)
Depth 0.9" (22mm)
Height 4.1" (105mm)
Main Module Dimensions
Width 3.5" (90mm)
Depth 2.3" (58mm)
Height 5.6" (142mm)
Display Panel Cable
Length 9.8 ft
AWG 22
Temp Sensor Cable
Length 16.4 ft
AWG 24
Door Sensor Cable
Length 16.4 ft
AWG 24





4.8

156 online ratings
The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

HUUM DROP Series 4.5kW Sauna Heater with Stones and Control Review Summary

4.8

156 online ratings
The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

What people like

This heater is highly regarded for its elegant, award-winning design that brings a modern and artistic aesthetic to any sauna environment. Users consistently praise the exceptional quality of steam produced, noting that the massive stone capacity provides a soft and enveloping heat reminiscent of traditional wood-fired experiences. Its compact, wall-mounted profile is a standout feature for optimizing space in smaller rooms, while the integration of smart remote technology allows for a convenient and highly customized user experience.

Pros

  • Award-Winning Aesthetics: The unique teardrop shape is frequently highlighted as a stunning centerpiece that enhances the visual appeal of any modern sauna interior.
  • High Stone Capacity: Holding up to 122 pounds of stones, this unit produces a superior volume of soft and long-lasting steam that outperforms standard heaters.
  • Space Saving Design: Its wall-mounted profile allows for more floor and bench space, making it an ideal choice for compact home sauna layouts.
  • Advanced Smart Controls: Compatibility with Wi-Fi-enabled systems allows users to preheat the sauna remotely and manage settings with ease via a mobile app.

Cons

  • Longer Heat-Up Times: Because of the substantial stone mass required for optimal performance, the unit often takes 60 to 90 minutes to reach its peak operating temperature.
  • Complex Installation Directions: Multiple reviewers noted that the included manual can be confusing, making professional electrical assistance or external guidance almost essential for a successful setup.
  • Premium Investment Cost: The high-end design and advanced technological features result in a much higher price point than basic or traditional sauna heating models.
  • Fragile Heating Elements: Some owners have reported issues with element longevity if stones are not placed loosely enough to allow for proper air circulation and thermal expansion.
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