How about solar heat from a sunspace on the south side of the house, eg a lean-to greenhouse? Each $1 square foot of sunspace glazing can provide the heat equivalent of 1-2 gallons of oil per year. With a little more work, it can also heat water for showers.
Nick
That works for tiny dollars :-)
Nick
my point is that the OP haS A full OIL TANK, at this point he is probably better off to bide his time, before spending boatloads of money.........
till next spring
he has a year to decide, the current astronomical price run up may run down. just look at home prices off 25% in some areas. sure it probably will never be cheap again.
the oil producing nations are greedy, and risk a world recession and or depression.
that would cut consumption and price, perhaps a lot.
he should probably concentrate this year on insulation, have blower test for leaks etc. those investments tend to pay off forever.
lastly a heat pumps output may feel cool or drafty for a previous oil customer......
there output temperature is lower, feels cool to some.
That's $4.50/(0.8x1.3therms) = $4.33/therm, burned at 80% efficiency.
That's $0.125/(5x0.03412therms) = $0.73, with water source heat pump with a COP of 5.
The ground or well loop may be the most expensive part of a heat pump. A 3-ton 5-COP Climatemaster Tranquility 27 box with a pump and blower and heat exchanger but no loop costs about $5K and uses less power than a toaster.
Nick
A full tank may well only last part way through the winter.
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