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These firewood BTU ratings charts compare the heat energy content of common firewood types along with both green and dry weight per firewood cord.
31 lip 2017 · What is the BTU content of firewood? A full cord of wood is a stacked wood pile that is four feet wide by four feet tall by 8 feet long - 4'x4'x8'. It is therefore 128 cubic feet but because of air space between pieces, the actual amount of solid wood may be only 70-90 cubic feet.
Firewood BTU charts and weight per cord. Compare the differences in energy content and weight per cord between the best firewood species.
For firewood, use dry hardwood such as oak, cherry, hickory, maple. Split logs into into pieces about 4 inches on each side. Ideally allow it to dry for about one year before use. To get a fire going use just enough softwood for kindling.
Soft maple usually refers to red maple and sometimes silver maple, which is sometimes called swamp maple. These maples, as you might guess from the name, are softer and less dense than hard maples. These maples don’t have as many BTU’s as hard maples but they still make good firewood.
The wood is a great choice for anyone looking to use it in a fireplace or wood furnace. Sugar maple will produce 24.0 million BTUs per cord. Red maple will produce 18.6 million BUTs per cord. Silver maple will produce 17.0 million BTUs per cord.
Firewood heat value in millions of Btu's per cord of wood for trees found in North America. The chart is based on one cord of wood containing 85 cubic feet of solid wood. One pound of dried wood produces 8084 Btu. Under ideal conditions, one pound of oven-dried wood can produce 8600 BTUs.
