Harvia
Harvia Vega Compact sauna heater
Harvia makes the Vega Compact in 2 sizes, from 1.9 to 3.5 kW, for saunas of 71 ft³ to 177 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
1.9–3.5 kW
Rooms
71 ft³–177 ft³
Stones
26 lb–29 lb
Sizes
2
Which size fits your sauna?
Your room's effective volume
88 ft³
Best fit: 1900
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 Compact 1900 | 1.9 kW | 71 ft³–106 ft³ | 29 lb | 80–110 min | $0.71 |
| Vega Compact 3500 | 3.5 kW | 71 ft³–177 ft³ | 29 lb | 35–50 min | $0.74 |
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 Compact 1900 | 1~ 120 V | 15.9 A | – | – |
| 1~ 240 V | 8 A | – | – | |
| Vega Compact 3500 | 1~ 240 V | 14.4 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 Compact 1900$915 at topture.com (2026-10-17)
- Vega Compact 3500$886 at topture.com (2026-10-17)
Prices and availability come from the shop or maker and change; their page is what counts. Shop offers are added as retailers join.
Sources
- topture.com/products/harvia-vega-compact-1900dealer · read 2026-10-17
- esaunashop.com/harvia-vega-compact-bc23-with-control-paneldealer · read 2026-10-18
- topture.com/products/harvia-vega-compact-3500dealer · read 2026-10-17
- esaunashop.com/harvia-vega-compact-bc35-with-control-paneldealer · read 2026-10-18
Other heaters for the same rooms
Questions and answers
What size sauna does the Harvia Vega Compact heat?
Harvia rates the sizes for these rooms: Vega Compact 1900 71 ft³–106 ft³; Vega Compact 3500 71 ft³–177 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 Compact need?
It depends on the size and your supply: Vega Compact 1900: 1~ 120 V: 15.9 A, 1~ 240 V: 8 A; Vega Compact 3500: 1~ 240 V: 14.4 A. A licensed electrician sizes the circuit from the heater's manual and local rules.
How long does the Harvia Vega Compact take to heat up?
In a well-insulated indoor room at the middle of each size's range, our heat model gives: Vega Compact 1900 80–110 min; Vega Compact 3500 35–50 min to reach 176 °F. Outdoor saunas, glass and cold weather take longer.
How many stones does the Harvia Vega Compact take?
As stated by Harvia: Vega Compact 1900 29 lb; Vega Compact 3500 29 lb. Use the stone size the manual specifies and re-stack the stones at least once a year, replacing crumbled ones.