Before Advocate Sherman Hospital in Elgin opened its new facility in December 2009, officials estimated its geothermal heating and cooling system would save $1 million a year in energy costs. Those predictions have proved to be accurate. "It's a completely different technology to maintain it. Some people are just hesitant to adopt that," Warren Lloyd, vice president and principal at Rock Island ...
Source: http://www.dailyherald.com/article/20131125/news/711259931
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