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Free Electricity, Maybe GeoThermal Is The Way To Go?
I've gotten a lot of great advice from the wall over the years. Converted the house 12 years or so ago from electric and coal to a Buderus oil fired and radiant throughout and couldn't have done it without the help here.
I had 15kw of solar installed last year and it's providing more than enough power throughout the year for us. When I installed the Buderus, I put in some valving to possibly accommodate solar thermal input assistance. Given my abundance of electricity, I'm wondering if a geothermal heat pump with a heat exchanger interface to the current radiant system might be a worthwhile investment. Use up the solar and stop burning the oil. We don't have NG available.
I'm on Cape Cod in Massachusetts. My delivery temps on the floors runs anywhere from 95 to a max of 115.
Anyone out there can walk me through the pros and cons?
Thanks as usual.