Harvia is a Finnish sauna and heater manufacturer founded in 1950, when Tapani Harvia built a wood-burning stove for his family and then began making stoves for others. The company says it now manufactures more than 200,000 heaters and 20,000 saunas annually, serving customers in over 90 countries. It has grown from a traditional sauna and heater maker into an international sauna and spa business.
Finnish Key Flag product
PEFC standards
FSC standards
FSC
Quality certification
Almost Heaven SaunasSince 1977, Almost Heaven Saunas has handcrafted American-made sauna rooms in West Virginia’s Greenbrier Valley, bringing Finnish sauna tradition into homes and backyards. The company is known for its cedar barrel designs and pairs its woodworking with Harvia heating technology, following its 2019 move into the Harvia family. Almost Heaven also supports customers beyond the sale with assembly guidance, installation advice, and a limited lifetime warranty on sauna-room manufacturing defects.RENICK, WV
MrSteamMrSteam, identified in copyright notices as Sussman-Automatic Corporation, makes steam-bath and sauna products for residential and commercial settings. The company says its steam generators are designed, engineered, and assembled in Long Island City, New York, and describes a legacy of more than 100 years in creating its products and wellbeing experiences.LONG ISLAND CITY, NY
Sid Harvey IndustriesSid Harvey Industries is a long-established HVAC supplier and manufacturer, founded by Sidney W. Harvey in 1931 during the early rise of automatic oil heating. What began in a Hempstead office grew into a distinctive business that distributes products while also producing new and remanufactured Sid Harvey-brand parts, serving heating, air-conditioning, and refrigeration trades through 83 branches.GARDEN CITY, NY
Heat and Sensor TechnologyStarting in a Lebanon, Ohio garage in late 2002, Heat and Sensor Technology manufactures electric heaters and temperature sensors for customers ranging from small businesses to global OEMs. Its 40,000-square-foot facility supports stock orders alongside mass-customized designs, including the PanelMAX radiant heater line acquired from Watlow in 2016. The company’s products are made in the United States and serve customers across North America, Europe, Asia, and beyond.LEBANON, OH