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Wood-Fired heater options

Compare Harvia wood-burning stoves

The Harvia 20, 36 and 50 series side by side.

HeaterHarvia 20 DuoHarvia 20 SLHarvia 36 DuoHarvia 50 SLThis modelHarvia 50 WK500
PowerWood-FiredWood-FiredWood-FiredWood-Fired
ControlNone (wood-fired)None (wood-fired)None (wood-fired)None (wood-fired)
WiFi appNoNoNoNo
Stone capacity3 boxesRequired4 boxes7 boxes
DesignStove + fireplace, glass doorThrough-wall feed, glass doorStove + fireplace, glass doorThrough-wall feed, glass door
Safety railingSheath availableSheath availableSheath availableOptional
Best for282 to 706 cu ftSmall to medium saunas494 to 1272 cu ft706 to 1766 cu ft

All models are wood-fired and vent through a chimney system. Stone quantities are listed per model.

What size sauna does the Harvia 50 WK500 heat?

It suits sauna rooms of roughly 706 to 1766 cubic feet and is designed for really large groups.

Does it need electricity?

No. It is a wood-burning stove and needs no electrical connection.

How many sauna stones does it need?

The stove requires 7 boxes of sauna stones. The huge amount of stones releases heat evenly into big spaces.

Is it UL listed?

Yes. The 50 WK500 sauna heater is UL Listed.

What finish does it have?

The stove is graphite black.