HIVE 15 kW HUUM Sauna Heater with Stones and Control

4.9 37+ online product reviews

$5,299⁰⁰ ~~$7,499⁰⁰~~

Heater Control Package

Product variants

Experience

Why settle for “hot” when you can have legendary?
The HUUM HIVE 15 isn’t just a heater—it’s the heart of a sauna built for beauty, endurance, and unapologetic performance. Designed in Estonia with the kind of precision usually reserved for luxury watches, this all-inclusive set delivers a deep, even heat that feels like it’s been curated just for you. From the commanding stainless steel HIVE to the sleek, intelligent UKU controls, every piece is here to turn your sauna into an experience worth savoring.

Highlights

Commercial-Grade Power – 15.0kW of sauna-dominating heat for rooms up to 1,060 cu. ft.

Stone-Forward Design – 528 lbs of exposed olivine diabase stones for that long, rolling heat

Smart Control Options – UKU control with settable temp, timer, delay, and optional Wi-Fi app

Crafted in Estonia – Engineered for efficiency, beauty, and decades of service

All-Inclusive Package – Heater, controls, extension box, and stones—no hunting for extras

Setup

Heater included: Yes – HUUM HIVE 15.0kW stainless steel floor model with adjustable legs
Home Ready: No – Requires 240V/1PH electrical service
Power Upgrade: Yes – Over 12kW output requires UKU Extension Box (included)
Electrician required: Yes – Must be installed by a licensed professional
Indoor or outdoor use: Indoor sauna rooms only, with proper electrical setup
Assembly: Ships ready to install; all major components included

What’s Inside the Bundle

HIVE 15.0kW Sauna Heater

15.0kW stainless steel floor model, commercial-grade
Holds 528 lbs of stones for long, mild heat
Direct stone contact with heating elements
Air tunnel for faster heat-up and longer element life
Adjustable legs for perfect fit
For sauna rooms 530–1,060 cu. ft.
Dimensions: 22″ (560mm) diameter × 29.5″ (750mm) height
Limited 3-year warranty (excluding elements
User manual (all languages)

UKU Control

Sleek black panel with multi-language options
Set temp (104–230°F), timer, and up to 48-hr delay
Optional Wi-Fi control via HUUM mobile app
Inside or outside sauna installation
Overheat protection + child safety lock
Connects to lights and ventilation
Limited 5-year warranty
User manual (all languages)

UKU Extension Box

Required for heaters over 12kW
Dimensions: 7″ W × 4″ D × 10″ H
Limited 5-year warranty
Wiring instructions

528 lbs of Olivine Diabase Stones

Rounded shape complements heater design
Sizes range from 2″–4″ (5–10 cm)
High-heat capacity for consistent performance

Assembly Video

Specifications

Model	HIVE 15STUX Pkg


HIVE 15
Kilowatt Rating	15.0kW
Minimum Cubic Feet	530
Maximum Cubic Feet	1060
Heater Weight	51.3 lbs
Shipping Weight with Sauna Stones	579.3 lbs
240V, Single-Phase Amperage	62.5
Circuit Breaker	50 + 50
Wire Size AWG	8 + 8
Diameter	22" (560mm)
Height	29.5" (750mm)


UKU Control
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

UKU Ext Box
Voltage	240
Circuit Breaker Amperage	2 x 63
Weight	3.25 lbs
Width	7" (178mm)
Depth	4" (101mm)
Height	10" (254mm)