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The 50% tariff that hit $20 billion of Canadian goods on August 22 does not appear to reach a freestanding Canadian sauna, whether it ships assembled or on a pallet. It does reach the cedar in an indoor room kit. Four CBP rulings, a line-by-line read of the published list, and the trade data showing Canada sends 97.6% of its prefabricated wooden buildings to one customer.

Grotto Baths is preparing to open in Wynwood with two saunas, three kinds of pool, a steam room, an alcohol-free cafe and membership from $250 a month. Its hot-to-cold circuit borrows from Roman public bathing, while required bookings and three-hour weekend limits reveal how the Miami operator plans to manage the room.

Residents in two western French villages are fighting to preserve aging municipal pools that provide swimming lessons, heat relief and a place to spend an affordable afternoon. The numbers make no commercial sense, which is exactly why the public value is worth understanding.

Mikkel Aaland's 1978 cult classic Sweat is returning to print beside his new book, Naked Sweat. The limited two-volume Collector's Edition costs EUR 120 and debuts at the International Sauna Congress in Oslo in September 2026.
Heat acclimation is real and measurable, and it is almost certainly not what your summer copy is promising. The dose runs six days, the benefit decays in about a week, and the performance evidence behind the whole category rests on one 2007 study with six runners.
The space sauna moved from announcement to calculation. Aalto University has run the first zero-gravity simulations on Corentin Macqueron's validated sauna model, the one built on VTT's 1992 benchmark test room, and the question is now live: how much gravity does löyly need?

Therme Group is now working inside the Marriott Design Lab on spa, fitness and guestroom concepts. Marriott doesn't buy sauna heaters, it writes the document that tells 7,939 franchisees what has to be in the building. That is the largest transmission belt this trade has ever been connected to, and nothing about it is signed yet.

Ireland built 242 independent saunas in five years on trailers, shorelines and 15-to-30-euro tickets, and a New Haven operator is now working from the same playbook. The transferable part is not the coastline. It is bench count, shared sites, and a regulation phase that arrived within two years.
New research in Social Science and Medicine finds that shared sauna rituals improve emotional wellbeing through social belonging and emotional synchrony, and that the benefit tracks how often people show up. The first systematic study of British sauna culture also puts sauna on the table as an NHS social prescribing option, with the UK's trade body among its co-authors.

Sun Home has introduced its first indoor traditional sauna line, with three- and six-person Nova cabins. Plunge has added two indoor infrared models starting at $7,690.

EOS Saunatechnik announced two gas-fired KUSATEK heater systems, 120 kW and 60 kW, for the event sauna at Bathhouse's Philadelphia location in the 1904 Bellevue building. The bigger unit alone delivers about 410,000 BTU per hour; the largest commercial electric heaters sold in the US top out around 33 kW, and the biggest US-made gas sauna heater is 80,000 BTU. The same 120 kW systems have run Therme Lindau's theater sauna in Germany since 2021. What EOS hasn't published is which US listing the heaters carry.

Harvia grew Q2 revenue 11.7% to EUR 52.8 million as North America jumped 38.6% and sauna cabins and Scandinavian hot tubs rose 44%. A planned IT cutover postponed about EUR 4 million of heater deliveries, while steam products fell 13.8%. Management's investor call detailed the delivery catch-up, Lewisburg expansion, ThermaSol shortfall, and its search for an infrared acquisition platform.
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