slowzuki said:Air-air heat pump is cheap and would cut the power bills in half. Other than that there are pellet boilers with large capacity auto refilling hoppers but I wouldn't like to leave one for weeks. Solar is another option but insulation is probably the cheapest way to go.
So when you say adding a heat pump is cheap, do you mean adding the ductwork, air handler, electrical work, and the outdoor unit is cheap? I would love to add a heat pump to replace my electric non central heat but I didn't think it would be cheap.