MARTHA’S VINEYARD, MA — This geothermal rescue was for a closed loop geothermal system that was seriously overheating during the cooling season. This system had ten vertical loops that served 11 heat ...

The 7 Series 700A11 is a variable-capacity geothermal unit available for homeowners that surpasses both 41 EER and 5.3 COP. ... Features of the heat pump include electronic expansion valves employed ...

But there’s a problem: “Geothermal water is very corrosive,” Darrah said. The school is in the process of replacing its old heat exchangers, valves and pipes at a cost of $18 million, which ...

Renewable, reliable and relatively free of pollution, geothermal heating is possible in Boise because of fault lines that expose groundwater to hot rocks, heating water to around 170 degrees ...