Weekly Roundup: Five Stories That Shaped the Sauna World This Week
Tariff developments, a major acquisition, outdoor sauna growth data, and more from a busy week in the industry.
It was one of the busiest weeks in recent sauna industry memory. Here are the five stories that mattered most.
1. Harvia Acquires EOS
The biggest deal in years. Harvia's 215 million euro acquisition of German heater manufacturer EOS consolidates two European powerhouses and reshapes the competitive landscape in commercial sauna equipment. The deal is expected to close in Q3.
2. New U.S. Tariffs on Finnish and Baltic Imports
An 18% tariff on sauna equipment and thermally modified wood from Finland, Estonia, and Latvia takes effect July 1. Industry groups are mobilizing for the public comment period. Consumer prices could rise 8-14% by Q4.
3. Outdoor Sauna Demand Surges 34%
North American outdoor sauna sales grew 34% year-over-year in 2025, with barrel saunas leading volume and custom outdoor builds showing the fastest percentage growth. The outdoor segment now represents 42% of residential sales.
4. HUUM Launches Smart Heater with Air Quality Monitoring
Estonian manufacturer HUUM unveiled the HIVE S, the industry's first heater with integrated air quality sensing. The product signals a shift in how manufacturers think about smart connectivity — from convenience features to health monitoring.
5. Equinox Bets $30M on Thermal Wellness
The luxury fitness brand is upgrading sauna and cold plunge facilities across 15 flagship locations, in what may be the largest single investment in thermal wellness by a fitness operator.
Elise Lindgren
Editor-in-Chief, SaunaNews
Elise Lindgren has covered the global sauna and wellness industry for over fifteen years, first as a business journalist in Stockholm and later as founding editor of SaunaNews. She has reported from trade floors in Helsinki, factory lines in Estonia, and boardrooms across three continents. Under her editorial leadership, SaunaNews has become the go-to source for decision-makers across the sauna supply chain.
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