Each fact links to the public source it comes from. Last updated Oct 1, 2026.
The record05
Ownership
Harvia Group brand: Harvia Plc acquired 100% of ThermaSol Steam Bath LLC for $30.4 million. The deal was announced July 23, 2024 and closed July 31, 2024.
Residential and commercial steam-shower generators, including the PRO Series III for homes and PowerPak Series III and Day Spa systems for commercial applications.
Indoor and outdoor saunas across the Aalto, Astra, Fortis, Lumaria, Spectra, Vue, and Nordic Dawn series, plus custom saunas, heaters, and accessories.
Steam systems for commercial and hospitality installations.
Timeline06
ThermaSol founded by David Altman; the company builds the first residential electric steam shower system, custom-designed for a Park Avenue apartment in New York, earning its first patent.
Harvia Plc signs an agreement on July 22, 2024 to acquire 100% of ThermaSol Steam Bath LLC for $30.4 million; announced via stock exchange release July 23, 2024, which says ThermaSol will continue as an independent brand within Harvia Group.
