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Traditional

Traditional saunas heat the room with an electric rock heater, up to about 194°F. Ladle water on the hot stones for a burst of steam. Plan on 30–45 minutes for the rocks to fully heat. Most traditional models need a 240V circuit wired by a licensed electrician, but compact models like the TimberSteel 420 run on a dedicated 120V outlet. Choose traditional if you want the classic Finnish high-heat-and-steam experience, indoors or out.
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Choosing a Rock Heater Size

Heater size follows cabin size. The two-person TimberSteel 420 uses a 2.2kW Icelandic Lava heater that plugs into a dedicated 120V/20A outlet. The TimberSteel 430 and outdoor Reyk 520 use a 6kW heater. The five-person TimberSteel 450 and Reyk 550 use a 9kW heater. The 6kW and 9kW heaters run on 240V, are hardwired by a licensed electrician, and have a Wi-Fi touchscreen controller.

Every traditional model includes sauna stones, a bucket and ladle, and a thermo-hygrometer. Want traditional heat outside? See our outdoor saunas.

Traditional Saunas – Frequently Asked Questions

Plan on 30–45 minutes for the rocks to fully heat and be ready for steam. The cabin air warms sooner, but the stones need the extra time.

Yes. That's the point of a traditional sauna. Once the stones are preheated, ladle on clean tap water for steam. Never use chlorinated pool or hot tub water, or salt water, because they corrode the heating elements.

For most models, yes. The 6kW and 9kW heaters are hardwired to a dedicated 240V circuit by a licensed electrician. The TimberSteel 420 is the exception: its 2.2kW heater plugs into a dedicated 120V/20A outlet.


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