FUEL |
HEAT VALUE |
HEATING PLANT
EFFICIENTCY |
|
|
Maximum |
Typical |
Fuel Oil #2 |
140,000 Btu/gal |
80 |
70 |
Fuel oil #6 |
150,000 Btu/gal |
80 |
70 |
Natural Gas |
1,000 Btu/ft3 |
80 |
70 |
Propane Gas |
85,000 Btu/gal |
80 |
70 |
Coal Anthracite |
13,000 Btu/lb |
70 |
50 |
Coal, bituminous |
11,4000 Btu/lb |
70 |
50 |
Wood Mixed hardwood |
24,000,000 Btu/cord |
70 |
50 |
Aldrich, R.A. and
J. W. Bartok. 1994. Greenhouse engeneering. NRAES-33
. |