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Tylö

Tylö Crown sauna heater

Tylö makes the Crown in 3 sizes, from 6.6 to 10.8 kW, for saunas of 141 ft³ to 636 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

6.6–10.8 kW

Rooms

141 ft³–636 ft³

Stones

44 lb

Sizes

3

See it in the 3D studioSeparate control unitNot sold in Europe & international in this version

Which size fits your sauna?

Your room's effective volume

318 ft³

71 ft³ – 742 ft³

Effective 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

ModelOutputRoom rangeStonesHeat-upPer session
Crown 6610020006.6 kW141 ft³–283 ft³44 lb20–25 min$0.81
Crown 8610020028 kW212 ft³–424 ft³44 lb20–25 min$1.12
Crown 106100200410.8 kW353 ft³–636 ft³44 lb20–25 min$1.53

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

Outputthree-phase 400 V (per phase)single-phase 230 V
6.6 kW9.5 A28.7 A
8 kW11.5 A34.8 A
10.8 kW15.6 A47 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

Prices and availability come from the shop or maker and change; their page is what counts. Shop offers are added as retailers join.

Sources

Other heaters for the same rooms

Questions and answers

What size sauna does the Tylö Crown heat?

Tylö rates the sizes for these rooms: Crown 6 141 ft³–283 ft³; Crown 8 212 ft³–424 ft³; Crown 10 353 ft³–636 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 Tylö Crown need?

It depends on the size and your supply: Crown 6: 3~ 400 V: 9.5 A, 1~ 230 V: 28.7 A; Crown 8: 3~ 400 V: 11.5 A, 1~ 230 V: 34.8 A; Crown 10: 3~ 400 V: 15.6 A, 1~ 230 V: 47 A. A licensed electrician sizes the circuit from the heater's manual and local rules.

How long does the Tylö Crown take to heat up?

In a well-insulated indoor room at the middle of each size's range, our heat model gives: Crown 6 20–25 min; Crown 8 20–25 min; Crown 10 20–25 min to reach 176 °F. Outdoor saunas, glass and cold weather take longer.

How many stones does the Tylö Crown take?

As stated by Tylö: Crown 6 44 lb; Crown 8 44 lb; Crown 10 44 lb. Use the stone size the manual specifies and re-stack the stones at least once a year, replacing crumbled ones.