That's kind of a scarey thought. We have oil heat and live in Connecticut. The average oil tank is 275 gallons and we go thru a minimum of 50 gallons(conservative) in a month's time during the winter months. I was looking at various options for supplementary heating and saw lots of interesting things; multi fuel furnaces, all kind of portable heaters, pellet stoves, wood stoves - just to name a few. The bottom line is that all kinds of fuel are going to cost $$$. Have you had any notable experiences with any particular type of supplemental heating?