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Originally Posted by carmen in nj  the tank is 375, and it was filled up last october, with the temps being so crazy I guess we did ok, hubby does not like when it gets low in case of a crazy storm or anything since we paid COD because is cheaper that way, when the marker is at 1/4 we call and they come the next day, but lately is being a SHOCK how little oil we get for the same money..  |
Here's another little shock for you. Since 2008 the almighty EPA has designated that all Diesel fuel sold in the USA be Low Sulpher Fuel. When the refinery removes the sulpher, one side effect is that the fuel's cetane level is reduced, thus the amount of BTU's the fuel can generate when burned. Another side effect is that the fuel is less slippery. The heating system is depending on the fuel to lubricate things.
So now that the EPA is done with your heating oil, you pay more for it, while getting less heat from it.
You should be using a Diesel Fuel Conditioner in your fuel. Is about $20 for a bottle that will treat the whole tank. It will help keep your heating plant up to snuff.