Heat content of various fuels

Heating · Furnaces and Boilers · printed page 174 (PDF page 175)

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Book index entries

Fuels – Heat Content of Various Heat – Content of Various Fuels

Text in the illustration

s s s
140,000 BTUs
oil
1 gallon of fuel oil
1,000 BTUs
gas
1 cubic foot of natural gas
100,000 to 225,000 BTUs (amount of heat produced is highly variable)
1 cubic foot of dried, split stacked firewood

Generated explanation

The illustration presents the heat content of measured quantities of three heating fuels. A block labeled oil has an upward arrow indicating 140,000 BTUs for 1 gallon of fuel oil. A block labeled gas has an upward arrow indicating 1,000 BTUs for 1 cubic foot of natural gas. A stack of split logs represents 1 cubic foot of dried, split stacked firewood, with a heat content of 100,000 to 225,000 BTUs and a note that the amount of heat produced is highly variable. No heating equipment or installation defects are shown.

Materials

fuel oil natural gas dried split firewood