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Data, trends, forecasts, and analysis shaping the sauna and thermal wellness market. Consumer demand, pricing shifts, and competitive landscape.

New industry data shows outdoor sauna sales in North America grew 34% in 2025, outpacing indoor installations for the second consecutive year. Barrel saunas lead the category, but custom outdoor builds are gaining share.
The landmark Kuopio study found that men who used a sauna 4-7 times weekly had a 40% lower risk of all-cause mortality. With the global sauna equipment market estimated at $905 million in 2024 and growing at 6.3% CAGR, the category offers a rare combination of proven health data and scalable business models.
This week: Harvia's EOS acquisition, new U.S. tariffs on Finnish imports, record outdoor sauna demand data, HUUM's smart heater launch, and Equinox's thermal wellness expansion.
One email per week with the stories, data, and analysis that matter most in the sauna industry.