Thanks for your help. I think electric is the way to go. I just need it to take the chill off the house and when the temps drop so pipes don't freeze

I have a 2000 double wide with 1749 sqft. We are tired of the propane co. telling us we have use a min. of 650gl a year. Our Propane bill is higher because we only use only 200gl a year,we suppliment with kerosene.We shut off 3 rooms to save on heat. My question is,how high would our electric bill b...