GARN (company)

GARN is an American alternative energy company and manufacturer of smokeless wood-burning furnaces with integrated hydronic thermal storage.

GARN, Inc.
Private
IndustrySustainable Energy
Founded1984
FounderMartin Lunde
HeadquartersMinneapolis, MN, U.S.
Area served
US and Canada
Key people
Martin R. Lunde (President)
ProductsWood-fired hydronic boilers, alternative energy products
WebsiteGARN.com

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.[1][2][3] Lunde was awarded patents in wood-fired hydronic storage in the early 1980s.[4][5]

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.[6]

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References
  1. "Here's a hot new way to burn wood," Minneapolis Star and Tribune, Monday, November 26, 1984
  2. U.S. DOE Contract #DE-FG02-79R510133
  3. "Wood-fired boiler stores heat for days," Popular Science, March 1983, p.28 https://books.google.com/books?id=XARMtUUMxm8C&lpg=PA28&vq=boiler&pg=PA28#v=snippet&q=boiler&f=false
  4. "Patent Images". pdfpiw.uspto.gov. Retrieved 2016-02-28.
  5. "Patent Images". pdfpiw.uspto.gov. Retrieved 2016-02-28.
  6. https://web.archive.org/web/20150616151803/http://www.epa.gov/burnwise/owhhlist.html - Link to the Internet Archive showing the GARN WHS-2000 as the first and only EPA-listed hydronic heater tested using cord wood

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