|
EFFICIENCY RATING |
SOURCE OF HEAT |
FUEL COST EQUIVALENCY CHART |
BTU CONVERSION |
|
100% |
ELECTRIC RESISTANCE |
0.03 |
0.04 |
0.05 |
0.06 |
0.07 |
0.08 |
0.09 |
0.10 |
3,413 |
BTU/KHW |
|
90% |
NATURAL GAS FURNACE |
0.79 |
1.05 |
1.32 |
1.58 |
1.85 |
2.11 |
2.37 |
2.64 |
100,000 |
BTU/THERM |
|
90% |
PROPANE FURNACE |
0.73 |
0.97 |
1.21 |
1.46 |
1.70 |
1.94 |
2.18 |
2.43 |
92,000 |
BTU/GALLON |
|
80% |
FUEL OIL FURNACE |
0.95 |
1.27 |
1.58 |
1.90 |
2.22 |
2.53 |
2.85 |
3.16 |
135,000 |
BTU/GALLON |
|
77% |
KERNELBURNER BIOMASS
FURNACE |
2.84 |
3.79 |
4.74 |
5.69 |
6.63 |
7.58 |
8.53 |
9.48 |
420,000 |
BTU/BUSHEL |
|