Heating Characteristics of Wood

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Species Density Weight per BTUs per cord Recoverable BTUs Units needed to   (lb./cu.ft.)  cord (lb.)  (millions)  per cord (millions)  produce 1 million BTUs  black locust 52.5 4462 28.5 19.95 0.051 hickory 50.9 4327 27.7 19.39 0.052 east hophornbeam 50.2 4267 27.3 19.11 0.052 apple  48.7 4100 26.5 18.55 0.054 white oak  47.2 4012 25.7…

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Cost Comparison: Gas Fireplaces vs. Furnaces

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All gas appliances – furnaces, water heaters, as well as the stoves, fireplaces and inserts wesell — are given a BTU consumption rating by the manufacturer. This rating tells you how muchgas that particular appliance burns per hour. If the flame height is adjustable, the rating willshow two numbers: the amount of fuel consumption at…

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