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Heating oil: effective or "real" output/yield (per liter)
http://en.wikipedia.org/wiki/Heating_oil" says that
I was given an unbiased (but not necessarily correct) number that the effective output is about 8 kWh/L ...
... and a potentially biased number (from a company that is selling me solar water heating (SWH) system) of 6.5 kWh/L.
Is the last number (6.5 kWh/L) a better approximation than 8 kWh/L for the effective energy yield?
http://en.wikipedia.org/wiki/Heating_oil" says that
which is about 11 kWh/L.Heating oil produces 138,500 British thermal units (146,100 kJ) per US gallon ...
I was given an unbiased (but not necessarily correct) number that the effective output is about 8 kWh/L ...
... and a potentially biased number (from a company that is selling me solar water heating (SWH) system) of 6.5 kWh/L.
Is the last number (6.5 kWh/L) a better approximation than 8 kWh/L for the effective energy yield?
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