Harvia
Harvia Vega sauna heater
Harvia makes the Vega in 4 sizes, from 4.5 to 9 kW, for saunas of 106 ft³ to 494 ft³. Slide to your room size to see which one fits, how fast it heats and what it needs from your fuse box.
Updated Oct 18, 2026
Output
4.5–9 kW
Rooms
106 ft³–494 ft³
Stones
44 lb
Sizes
4
Which size fits your sauna?
Your room's effective volume
230 ft³
Best fit: BC60
Work out your effective volumeEffective volume = inside volume, plus 1.2 m³ for every m² of glass, tile or stone; × 1.5 for solid log walls (Harvia's rule, used by most planners).
Sizes and specifications
| Model | Output | Room range | Stones | Heat-up | Per session |
|---|---|---|---|---|---|
| Vega BC45HCB450400S | 4.5 kW | 106 ft³–212 ft³ | 44 lb | 35–45 min | $0.91 |
| Vega BC60HCB600400S | 6 kW | 177 ft³–283 ft³ | 44 lb | 20–30 min | $0.87 |
| Vega BC80HCB800400S | 8 kW | 247 ft³–424 ft³ | 44 lb | 20–25 min | $1.17 |
| Vega BC90HCB900400S | 9 kW | 283 ft³–494 ft³ | 44 lb | 20–25 min | $1.29 |
Heat-up and cost are our heat model's estimate for each size in a room at the middle of its range: indoor, insulated walls, 68 °F around the sauna, heated to 176 °F, one hour of bathing, electricity at $0.18/kWh (United States average).
Electrical connection
| Model | Supply | Current | Fuse / breaker | Cable |
|---|---|---|---|---|
| Vega BC45 | 3~ 400 V | 6.5 A | – | – |
| Vega BC60 | 3~ 400 V | 8.7 A | – | – |
| Vega BC80 | 3~ 400 V | 11.5 A | – | – |
| Vega BC90 | 3~ 400 V | 13 A | – | – |
Current is computed from the output; fuse and cable are shown where the maker or dealer states them. A licensed electrician sizes and installs the circuit following the heater's manual and local rules.
Where to see it
- Vega BC45€347 at esaunashop.com (2026-10-18)
- Vega BC60€347 at esaunashop.com (2026-10-18)
- Vega BC80€373 at esaunashop.com (2026-10-18)
- Vega BC90€382 at esaunashop.com (2026-10-18)
Prices and availability come from the shop or maker and change; their page is what counts. Shop offers are added as retailers join.
Sources
- esaunashop.com/harvia-vega-bc45-with-control-paneldealer · read 2026-10-18
- esaunashop.com/harvia-vega-bc60-with-control-paneldealer · read 2026-10-18
- esaunashop.com/harvia-vega-bc80-with-control-paneldealer · read 2026-10-18
- esaunashop.com/harvia-vega-bc90-with-control-paneldealer · read 2026-10-18
Other heaters for the same rooms
Questions and answers
What size sauna does the Harvia Vega heat?
Harvia rates the sizes for these rooms: Vega BC45 106 ft³–212 ft³; Vega BC60 177 ft³–283 ft³; Vega BC80 247 ft³–424 ft³; Vega BC90 283 ft³–494 ft³. Use your room's effective volume: add 1.2 m³ for every m² of glass, tile or stone, and multiply by 1.5 for solid log walls.
What fuse or breaker does the Harvia Vega need?
It depends on the size and your supply: Vega BC45: 3~ 400 V: 6.5 A; Vega BC60: 3~ 400 V: 8.7 A; Vega BC80: 3~ 400 V: 11.5 A; Vega BC90: 3~ 400 V: 13 A. A licensed electrician sizes the circuit from the heater's manual and local rules.
How long does the Harvia Vega take to heat up?
In a well-insulated indoor room at the middle of each size's range, our heat model gives: Vega BC45 35–45 min; Vega BC60 20–30 min; Vega BC80 20–25 min; Vega BC90 20–25 min to reach 176 °F. Outdoor saunas, glass and cold weather take longer.
How many stones does the Harvia Vega take?
As stated by Harvia: Vega BC45 44 lb; Vega BC60 44 lb; Vega BC80 44 lb; Vega BC90 44 lb. Use the stone size the manual specifies and re-stack the stones at least once a year, replacing crumbled ones.