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2. GARN (company) - Wikipedia

   en.wikipedia.org/wiki/GARN_(company)

   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 ...

3. Malleable Iron Range Company - Wikipedia

   en.wikipedia.org/wiki/Malleable_Iron_Range_Company

   Oil shortages in the mid-1970s gave the company some increase in sales of its Add-a-Furnace wood-burning furnaces. These furnaces were designed to be connected to existing furnaces as a supplementary, or replacement, heat source for oil.

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Some central heating plants can switch fuels for reasons of economy and convenience; for example, a home owner may install a wood-fired furnace with electrical backup for occasional unattended operation. Solid fuels such as wood, peat or coal can be stockpiled at the point of use, but are inconvenient to handle and difficult to automatically ...

5. Wood-burning stove - Wikipedia

   en.wikipedia.org/wiki/Wood-burning_stove

   Wolfgang Schroeter invented the first wood-burning stove with a cast iron frame and glass door. This allowed the user to see the fire burning inside the stove. [16] A fireplace insert converts a wood-burning fireplace to a wood-burning stove. A fireplace insert is a self-contained unit that rests inside the existing fireplace and chimney.

6. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

7. Jetstream furnace - Wikipedia

   en.wikipedia.org/wiki/Jetstream_furnace

   The wood was loaded into a vertical tube which passed through the water jacket into a refractory lined combustion chamber. In this chamber the burning took place and was limited to the ends of the logs. The water jacket prevented the upper parts of the logs from burning so they would gravity feed as the log was consumed.

8. Fireplace - Wikipedia

   en.wikipedia.org/wiki/Fireplace

   Standard, modern, wood-burning masonry fireplaces though have an efficiency rating of at least 80% (legal minimum requirement, for example, in Salzburg, Austria). [11] To improve efficiency, fireplaces can also be modified by inserting special heavy fireboxes designed to burn much cleaner and can reach efficiencies as high as 80% in heating the ...

9. Round Oak Stove Company - Wikipedia

   en.wikipedia.org/wiki/Round_Oak_Stove_Company

   The company stopped producing stoves in 1946 and in 1947, sold its buildings to Kaizer-Frazer for the production of automobile engine parts. The Round Oak name was sold to Peerless Furnace, which continued to make repair parts for furnaces and stoves. [1] The complex of Round Oak buildings on Spaulding Street now house Ameriwood Furniture.