HIVE 15 kW
| Power | 15 kW |
| Fuel | electric |
| Rated room volume | 15 to 23 m³ |
| Stone capacity | 250 kg |
| Controls | wall-mounted, wifi |
| Voltage | 240 V |
| Phase | 1 |
| Stated amperage | 62.5 A |
A dash means the publisher does not state that figure. Nothing on this page is estimated.
Specs read from HUUM HIVE maker page, spec table states steam room 15-23 m3 for HIVE 15, 250 kg stone capacity on 2026-08-30. Manufacturer published.
The electrical arithmetic, ours
Divide 15 kW by 240 volts and the load is about 62.5 amps. Sized at 125 percent as a continuous load, that asks for more than 78.1 amps of circuit capacity. The arithmetic is ours and offered as briefing material only. The decision belongs to a licensed electrician working from your panel and local code, and this site publishes no wiring instructions.
No published price
Sun Valley page shows one price ($2,848) across 12/15/18 kW variants without per-kW breakout, so no price is attributed to this variant.
Where these numbers came from
Every figure above was read from 2 pages, listed here so you can check our reading rather than take it.
- HUUM HIVE maker page, spec table states steam room 15-23 m3 for HIVE 15, 250 kg stone capacity (manufacturer published, read 2026-08-30)
- Sun Valley Saunas HUUM Hive page, 15 kW spec block: 240V, 62.5A, 1PH (2x 50A breakers), 530-1,060 cubic feet, 528 lbs rock capacity (retailer published, read 2026-08-30)
Who it suits, and who should skip it
Suits
- • Six person cabins, big glass and shed conversions: the room classes where mid-size stoves top out.
- • People whose ideal session starts with a switch and ends without ash.
- • Anyone who wants the room hot when they walk out to it. App preheat is the feature owners actually use.
Should skip it
- • A small room. Oversizing wastes panel capacity and reaches temperature before the stones do their work.
How it sits in the field
The stated figures locate this model in the field. At 15 kW it sits above the 8 kW median of the heaters we track. Its published range spans 8.0 cubic meters, a wider window than the median, which gives a room more margin to land mid-range. The stated stone load of 250 kg sits at or above the 55 kg median of the models that publish one. Comparisons here use only records that publish the figure being compared, and each one is recomputed whenever the database changes.
What the publisher states, and what it does not
Of the 9 facts we try to verify on every heater, the linked pages state 8 for this one.
Not published: a price.
Documentation this complete is what a sizing decision actually needs, and it is rarer in this category than it should be.
Common mistakes with this class
Comparing prices across different boxes
One listing ships with stones and controls, another is the bare stove at the same price. Until the contents are priced, the cheaper sticker is just the earlier bill.
Buying at the edge of the rated range
Heater makers publish a volume window and their own guidance says to land in the middle of it. A room at the top of this range heats slowly and runs the elements harder than a size up would.
Measuring the room and stopping there
Glass and uninsulated surface count as extra volume under the makers’ published rules. A glazed door can move a small room a whole heater class. Run the real numbers, not the tape measure alone.
Closest alternative on power
HIVE Wood 13 wood-burning stove is the nearest tracked heater by power rating, though it burns wood where this one is electric.
| This model | HIVE Wood 13 wood-burning stove | |
|---|---|---|
| Power | 15 kW | 13 kW |
| Fuel | electric | wood |
| Rated room | 15–23 m³ | 6–13 m³ |
| Voltage | 240 V | — |
| Price | — | — |
Keep reading
- See a scenario done end to end
One common room taken through the whole calculation, from tape measure to stove list.
- Check it against your room
Your room’s effective volume against this heater’s published window, computed the way its maker says to.
- The electrical conversation
What a 240 volt heater circuit involves, so you can brief an electrician instead of discovering one.
- Every electric heater we track
The full electric column, each with its publisher’s own room rating and a dated price.