Sauneco
HUUM HIVE Mini Electric Sauna Heater 9 kW — With or Without Control Unit
HUUM HIVE Mini Electric Sauna Heater 9 kW — With or Without Control Unit
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When a standard sauna heater simply isn’t enough, the HUUM HIVE Mini 9 kW steps in. A slimmer, more refined version of the iconic HIVE, this floor-standing electric sauna heater is built for those who take their sauna seriously. With an extraordinary stone capacity of up to 150 kg, it stores more thermal mass than almost any other heater in its class — delivering the kind of deep, sustained heat and generous löyly steam that transforms a sauna session into something truly special.
Designed for sauna rooms between 8 and 13 m³ (26–43 ft³), the HIVE Mini combines serious performance with a beautifully considered design. Its honeycomb-inspired form is as striking as it is functional, making it a centrepiece in any sauna rather than just an appliance. Built from stainless steel and engineered to maximise heat from the stones rather than the metal, it produces the healthy, mild steam of a traditional Finnish sauna — with the precision and convenience of modern electric heating.
Choose your preferred control option at checkout: heater only, with the UKU Local panel controller, or with the UKU WiFi controller for full smartphone app control from anywhere.
| Brand | HUUM (Estonia) |
| Model | HIVE Mini 9 kW |
| Power | 9 kW |
| Suitable Sauna Volume | 8–13 m³ (26–43 ft³) |
| Stone Capacity | Up to 150 kg |
| Stone Size | 5–10 cm diameter (2–4 inches) |
| Mounting | Floor-standing (adjustable legs) |
| Material | Stainless Steel |
| Control Options | Without Remote / UKU Local Black / UKU WiFi Black |
| Delivery Time | 5 business days |
| Delivery Coverage | UK & Europe |
- HUUM HIVE Mini Electric Sauna Heater 9 kW
- Adjustable legs
- Installation and operation manual
- Control unit (if selected at checkout)
- 150 kg of sauna stones (5–10 cm diameter)
- Heat-resistant power cable
- Control unit (if not selected above)
Without Remote Control — Heater only. Ideal if you already have a compatible control unit or are purchasing one separately.
UKU Local Black — A sleek, intuitive panel controller for straightforward sauna heating. Built-in timer and safety features make it simple and reliable — no app or WiFi required.
UKU WiFi Black — Everything the UKU Local offers, plus full smartphone connectivity via the HUUM app. Preheat your sauna remotely, set schedules, and monitor your session from anywhere. Ideal for home saunas within WiFi range.
▶ What size sauna is the HIVE Mini 9 kW suitable for?
The HIVE Mini 9 kW is designed for sauna rooms between 8 and 13 m³ (approximately 26–43 ft³).
▶ How is the HIVE Mini different from the DROP heater?
The HIVE Mini is a floor-standing heater with a much larger stone capacity of up to 150 kg, compared to the wall-mounted DROP which holds up to 55 kg. The HIVE Mini is suited to larger sauna rooms and those seeking an even more powerful steam experience.
▶ Do I need to buy stones separately?
Yes — sauna stones are not included. You will need approximately 150 kg of sauna stones with a diameter of 5–10 cm for the best steam experience.
▶ What is the difference between UKU Local and UKU WiFi?
Both offer the same core features and safety controls. The UKU WiFi additionally connects to the HUUM smartphone app, letting you preheat and control your sauna remotely from your phone.
▶ Is professional installation required?
Yes — installation must be carried out by a qualified electrician. A full installation and operation manual is included with the heater.
The HUUM HIVE Mini 9 kW is delivered across the UK and Europe within 5 business days. Our delivery partner will contact you in advance to confirm your arrival window. The heater is carefully packaged to arrive in perfect condition. If you have any questions about your order, our team is always happy to help.