Aitokiuas Sauna Stoves
Traditional heat-storing wood stoves from the Aito line, made in Finland by Narvi.
Aitokiuas stoves
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About Aitokiuas
Aitokiuas is the Aito line of heat-storing sauna stoves, now made by Finland's Narvi Oy, which says its production is entirely in Finland. A heat-storing stove works differently from a regular one: you fire it to charge a big mass of stones inside an insulated body, and the stones keep releasing heat long after the fire dies down.
We carry the AK-47 and AK-57. Narvi rates the 47 for rooms of 8–12 m³ and the 57 for 9–20 m³, with ceramic stone capacities of 60 and 90 kg, and both have a 150 mm flue outlet. Narvi recommends ceramic sauna stones for these stoves because they heat faster; natural stones warm more slowly but hold heat longer.
The stoves ship in parts that are assembled on site without mortar, and Narvi includes a 60° connecting flue. The casing is insulated and protected by rust-proof steel sheet, the firebox is built from fireproof mass and cast elements, and fire brick lines the stone compartment.
Aitokiuas questions
What is a heat-storing sauna stove?
A stove with a large, insulated stone mass. You heat it up with a fire, and the stored heat keeps the sauna warm for hours afterward, rather than needing constant firing during use.
Which stones should I use?
Narvi recommends ceramic sauna stones for Aitokiuas because they heat faster; natural stones also work but warm more slowly and hold heat longer. Ask us about stone options for your stove.
How is an Aitokiuas delivered?
In parts, ready to assemble on site without mortar, with a 60° connecting flue included, per Narvi.