
Nearly half a century after Sweat mapped the world's hot rooms, Aaland is pairing a restored facsimile with new photography and essays. The two-volume set launches at the International Sauna Congress in Oslo on September 24, and in a new interview he explains the cover shoot, the fifty-year wait and what the sequel argues.
A trade attorney’s white paper on operator certification landed on Sauna from Finland’s news channel on May 12. It arrives as Europe’s first room-construction standard and the first modern US heater-safety standard both take effect. The hardware is getting infrastructure. The operators are still on their own.
Finland’s president used sauna at Davos to explain de-escalation over Greenland. The better story is the pattern: three public sauna-and-cooldown references in six months, each tied to NATO posture, the Greenland dispute, a $6.1 billion icebreaker deal, or the global order.

The entry-level sauna market is booming. Whether first-time buyers stay with sauna depends on what their first sauna teaches them.

The Saunologia.fi founder, who has published over 400 articles and multiple books on sauna design, walked through the fundamentals in a recent webinar. The takeaway: most problems trace back to three things.
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