Key Specifications
HUUM Drop 6 kW Heater
HUUM Drop 6 kW is a sculptural, wall-mounted heater paired with the UKU Wi-Fi controller, letting you preheat, schedule, and set precise temperatures via the HUUM app or the panel. The high 55 kg stone mass delivers softer, longer-lasting steam and stable, even heat throughout each session.
6 kW
Reaches ~85 °C in ~40 minutes (typical).
- UKU Wi-Fi control panel
- HUUM app (scheduling, temperature control, on/off)
- Width: 390 mm (15.4 inches)
- Depth: 335 mm (13.2 inches)
- Height: 590 mm (23.2 inches)
11 kg (heater only without stones)
HUUM rounded stones (5–10 cm), 55 kg total.
AISI 304 stainless-steel body and heating elements.
240V, single-phase, 25 Amps (compatible with standard household electricity and must be installed by a licensed electrician).
- 3 years for residential
- 1 year for commercial
Key Specifications
Harvia The Wall 6 kW Heater
Harvia The Wall 6 kW is a streamlined, wall-mounted heater designed for efficient heat-up and minimal visual footprint. Paired with 20 kg of Harvia Olivine Diabase stones, it delivers stable thermal mass and smooth, consistent steam when water is applied. The lightweight steel construction and compact depth make it easy to position in a range of sauna layouts, while still offering reliable, even heat throughout each session.
6 kW
Reaches ~85 °C in ~40 minutes (typical).
Built-in illuminated manual switches (temperature & timer)
- Width: 430 mm (16.9 inches)
- Depth: 260 mm (10.2 inches)
- Height: 610 mm (24.0 inches)
11.7 kg (heater only without stones)
Harvia Oliia Diabase 20 kg
Stainless-steel body and heating elements with galvanised steel internal structure.
240V, single-phase, 25 Amps (compatible with standard household electricity and must be installed by a licensed electrician).
- 1 year for residential
- 1 year for commercial