Posted 12/18/2016 06:48 (#5705783 - in reply to #5705355) Subject: RE: Geo thermal
South East South Dakota/winters Tucson, AZ
I have had mine for about 15 years. Would never go back to fossil fuel furnace. When propane was priced around $4/gallon, I was glad I invested in it. Our electric rates in the last 3 years have increased around 35%.