HUUM Electric Heater
HUUM HIVE 12 12kW Electric Sauna Heater
HUUM's floor-standing 12kW HIVE has a huge open stone basket and is built for large residential and commercial saunas that want massive thermal mass and heavy steam. It runs on HUUM's UKU app-enabled controller.
- Electric
- 240V Hardwired
$2,84800
79% above the median for heaters & stoves.
We may earn a commission when you buy through this link, and you pay the same price. Price as recorded in our catalogue on Oct 5, 2026.
Good to know: UKU controller sold separately; high-amperage 240V circuit required
- heater
- 12kW
- hardwired circuit
- 240V
HUUM HIVE 12 12kW Electric Sauna Heater in the wild. HUUM photography.
See it in action
HUUM HIVE stone placement with air tunnel
By the numbers
Price in context
Where it sits among the 9 heaters & stoves we list
At $2,848, the HUUM HIVE 12 12kW Electric Sauna Heater starts 79% above the median for heaters & stoves. The cheapest is the Nootka Saunas Smart Controller at $675, and the dearest the HUUM DROP 6 6.0kW Sauna Heater Package at $3,150.
What it costs to run
Electricity for a 12 kW heater
- Per session
- 58¢
- Per month
- $13
- Per year
- $150
Sessions of 30 minutes at 16¢ a kWh, with the heater cycling as it holds temperature. 16¢ is the US average. Work it out for your own numbers.
The room it heats
Sized for about 470 to 570 cubic feet
That’s a room roughly 8 feet on each side for this 12 kW heater. Glass or a cold climate calls for a bigger one.
Check the maker’s own room rating before you buy. Size a heater for your room.
What to know before you buy
Electric, 240V hardwired. These decide whether it suits your space and your electrical panel.
- ElectricAn electric heater holds a steady temperature on its thermostat and needs no chimney. Many models add app or timer control.
- 240V HardwiredA hardwired model needs a dedicated 240V circuit installed by an electrician. Build roughly $600–$2,500 into your total budget for it.
Specifications
From HUUM’s own listing, checked when the page was written.
| Brand | HUUM |
|---|---|
| Model | HUUM HIVE 12 12kW Electric Sauna Heater |
| Type | Electric Heater |
| Heater | 12 kW |
| Heat | Electric |
| Power | 240V Hardwired |
| Materials | Electric, 240V hardwired |
| List price | $2,848.00 |
| Where to buy | HUUM |
| Price recorded | Oct 5, 2026 |
How it compares
The HUUM HIVE 12 12kW Electric Sauna Heater beside the 3 closest models in our heaters & stoves.
| Product | |  |  |  |
|---|---|---|---|---|
| Price | $2,848.00 | $2,100.00 | $1,054.00 | $1,270.00 |
| Heater | 12 kW | 7.5 kW | 8 kW | 8 kW |
| Heat | Electric | Electric | Electric | Electric |
| Power | 240V Hardwired | 240V Hardwired | 240V Hardwired | 240V Hardwired |
| Links | Buy | See it | See it | See it |
HUUM Electric Heater
Buy the HUUM HIVE 12 12kW Electric Sauna Heater
$2,848.00
Buy at Sauna Kit CoWe may earn a commission when you buy through this link, and you pay the same price.
Where we’ve written about it
Heaters & Stoves
HUUM heater review: how the Drop 6, Cliff 9 and Hive 12 compare
HUUM builds the heaters people photograph. We compared the three sizes that matter for a home sauna by how much stone each one carries, and we checked what the package prices include.
6 min read
Heaters & Stoves
How to size a sauna heater (and why tower heaters make better steam)
A sauna heater's kilowatts have to match the room's volume, and a heater sized that way makes 90°C easy to reach. Get the match wrong and you've built a warm box.
6 min read
