The Harvia 50 (WK500) wood-burning sauna stove stands as the most powerful wood-burning heater in the Harvia lineup — purpose-built for large commercial or group sauna environments. With a massive 40kW heating capacity, it delivers powerful, even heat across rooms ranging from 706 to 1,766 cubic feet.
Designed for performance and durability, the Harvia 50 features a steel body with a stylish black finish and is engineered to hold up to 264 lbs of stones (sold separately). This substantial stone capacity ensures consistent heat and the ability to generate massive steam output, making it ideal for commercial saunas, retreat centers, and multi-user settings.
Crafted in Finland, this stove is built to last and to serve as the heart of your large sauna for years to come.
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