GARN is an American alternative energy company and manufacturer of smokeless wood-burning furnaces with integrated hydronic thermal storage.
History GARN pioneered wood gasification in conjunction with thermal storage in 1984, after GARN founder Martin Lunde developed the technology under a contract with the U.S. Department of Energy in the late 1970s, along with researchers Richard Snyder and James Buesing."Here's a hot new way to burn wood," Minneapolis Star and Tribune, Monday, November 26, 1984U.S. DOE Contract #DE-FG02-79R510133 Lunde was awarded patents in wood-fired hydronic storage in the early 1980s.
In April 2015, the GARN WHS-2000 was the first ever hydronic wood heater to pass the EPA's Phase II "white tag" certification using cord wood as fuel.
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