I have a second home in Maine. It is small - approx. 700 sq feet, and very well insulated. Not sure on the gallons in our tank (eta - 300 gallon tank). We keep the thermostat set at about 52 all winter when we are not here, and increase the heat only on the weekends we come up for some winter fun - a couple of times a month.

We've been here on the coldest weekends this year, with temps dipping to -28 F. We also have a woodstove, but rarely use it - it heats us out of the house!

In a typical year, we go through about 1.5 tanks of oil. I think you are in a warmer climate, so you might not have your furnace coming on quite as often as what we do in the winter.

SheFly