Harvia
Harvia Legend sauna heater
Harvia makes the Legend in 4 sizes, from 6.8 to 16.5 kW, for saunas of 212 ft³ to 1,236 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
6.8–16.5 kW
Rooms
212 ft³–1,236 ft³
Stones
220 lb–485 lb
Sizes
4
Which size fits your sauna?
Your room's effective volume
477 ft³
Best fit: PO110
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 |
|---|---|---|---|---|---|
| Legend PO70HPO704FC, HPO704XW | 6.8 kW | 212 ft³–353 ft³ | 220 lb | 60–80 min | $1.61 |
| Legend PO110HPO1104FC | 10.8 kW | 318 ft³–636 ft³ | 220 lb | 40–55 min | $2.18 |
| Legend PO11HPO110400M | 11 kW | 318 ft³–706 ft³ | 265 lb | 50–65 min | $2.38 |
| Legend PO165HPO165400 | 16.5 kW | 565 ft³–1,236 ft³ | 485 lb | 60–80 min | $4.35 |
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 |
|---|---|---|---|---|
| Legend PO70 | 3~ 400 V | 9.8 A(computed) | – | – |
| 1~ 230 V | 29.6 A(computed) | – | – | |
| Legend PO110 | 3~ 400 V | 15.6 A(computed) | – | – |
| 1~ 230 V | 47 A(computed) | – | – | |
| Legend PO11 | 3~ 400 V | 15.9 A | – | 5 × 2.5 mm² |
| Legend PO165 | 3~ 400 V | 23.8 A | – | 5 × 2.5 mm² |
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
- Legend PO70€1,193 at esaunashop.com (2026-10-18)
- Legend PO70€1,254 at esaunashop.com (2026-10-18)
- Legend PO110€1,255 at esaunashop.com (2026-10-18)
- Legend PO11€1,713 at esaunashop.com (2026-10-18)
- Legend PO165€2,028 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/electric-sauna-heater-harvia-legend-po70fc-6-8-kw-wifi-blackdealer · read 2026-10-18
- esaunashop.com/electric-sauna-heater-harvia-legend-po70xw-6-8-kw-wifidealer · read 2026-10-18
- esaunashop.com/electric-sauna-heater-harvia-legend-po110fc-10-8-kw-wifi-blackdealer · read 2026-10-18
- esaunashop.com/harvia-legend-po11-11-0-kwdealer · read 2026-10-18
- esaunashop.com/harvia-legend-po165-16-5-kwdealer · read 2026-10-18
Other heaters for the same rooms
Questions and answers
What size sauna does the Harvia Legend heat?
Harvia rates the sizes for these rooms: Legend PO70 212 ft³–353 ft³; Legend PO110 318 ft³–636 ft³; Legend PO11 318 ft³–706 ft³; Legend PO165 565 ft³–1,236 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 Legend need?
It depends on the size and your supply: Legend PO70: 3~ 400 V: 9.8 A, 1~ 230 V: 29.6 A; Legend PO110: 3~ 400 V: 15.6 A, 1~ 230 V: 47 A; Legend PO11: 3~ 400 V: 15.9 A; Legend PO165: 3~ 400 V: 23.8 A. A licensed electrician sizes the circuit from the heater's manual and local rules.
How long does the Harvia Legend take to heat up?
In a well-insulated indoor room at the middle of each size's range, our heat model gives: Legend PO70 60–80 min; Legend PO110 40–55 min; Legend PO11 50–65 min; Legend PO165 60–80 min to reach 176 °F. Outdoor saunas, glass and cold weather take longer.
How many stones does the Harvia Legend take?
As stated by Harvia: Legend PO70 220 lb; Legend PO110 220 lb; Legend PO11 265 lb; Legend PO165 485 lb. Use the stone size the manual specifies and re-stack the stones at least once a year, replacing crumbled ones.