HUUM DROP Electric Sauna Heater
Sculptural wall-mounted HUUM DROP with an open stone cage for soft, enveloping steam. Available 4.5–9 kW — select your output above.
About this heater.
The HUUM DROP cradles volcanic stones in an open wire cage, delivering soft, even löyly from the first session. Engineered in Estonia for the quality of the steam (Red Dot Design Award 2015).
Output: 4.5, 6, 7.5 and 9 kW — choose your size above to match your room.
Controls: Requires the HUUM UKU control unit (sold separately). Choose UKU WiFi for app scheduling, remote start and temperature control.
Stones: Holds 55 kg (≈121 lbs) of rounded stones, Ø5–10 cm — among the largest capacities in its class.
Dimensions: 590 H × 390 W × 335 D mm. Weight 11 kg (12 kg at 9 kW).
Recommended sauna room volume by output:
Certification: SGS certified to CAN/CSA E60335-2-53 (certificate SGSNA/20/SUW/00067X). Install by a licensed electrician on a dedicated 240V circuit.
Will this heater fit your sauna?
Enter the inside dimensions of your finished sauna for a baseline power check.
Awaiting dimensions
Enter all three inside dimensions to see whether this heater fits.
This check assumes a properly insulated indoor sauna. Glass, tile, stone, concrete, log construction, outdoor exposure and heat loss can increase the output you need. Final selection must follow the heater manufacturer’s published room range and installation manual; electrical work must be completed by a licensed electrician.
Everything required for installation.
In the box
- HUUM DROP Electric Sauna Heater sauna heater unit
- Wall mounting bracket & hardware kit
- Warranty certificate & installation guide
You'll also need
- Sauna stones — sized to capacity
- Electrical supply — dedicated circuit, licensed electrician required
- Control system — wall control and contactor box, required and sold separately (Wi‑Fi control optional)
Premium stones for peak löyly.
Every electric heater needs the right stone mass for stable heat & soft steam. These high-density igneous picks are sized to this HUUM heater.
Controls that pair with this heater.
All HUUM heaters use the UKU Wi-Fi system. Start with the base system, or upgrade to a finished control panel — Glass, Black, or Wood — to match your sauna interior. Either way, you get full app control: schedule, monitor, and start your sauna from anywhere.
Full technical details.
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