PDF True Cost of Energy Comparisons - Apples to Apples

cally, the more efficient the equipment is - the closer you get to being able to use all the energy you paid for. Or, another way to look at it is, if a heater is very inefficient - the actual costs per energy unit will be high. The final answers will be in dollars per MMBtu. Now quickly compare costs to see what energy source is the least ................
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