How using geothermal heat is an all-round winner

Russ Root made an efficient move last year — to a new home he had built in Goshen, Connecticut. While it is considerably bigger than his former house, in Chenango Forks, New York, it will cost far less to cool and to heat. That is because he did something he had thought about ever since he built his last house, 15 years earlier: He installed a geothermal system instead of an oil-guzzling boiler.
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