We have never had any problems in these past 8 years. As I was preparing a stats sheet for our open house I came across the proposal for our Geothermal. Back then were at $480 a month for electric and oil heat and they expected to bring us down to $313 a month. We did install the geothermal, but with the addition of our solar panels the cost was brought down much, much lower. Over the past 24 months we calculated an average of $109 a month! We knew it was a great savings, but wow...