Clean Technica
Summary
West Union in central Iowa is not on any major interstate highway routes. It is not near any of Iowa’s main cities, like Cedar Rapids or Des Moines. But it has something no other community in Iowa has — a full fledged municipal geothermal system that consists of 132 boreholes 300 feet deep connected by horizontal pipes under its streets that supply water that is 50 degrees Fahrenheit all day, every day, year round.
Many of its municipal buildings are connected to the West Union District Energy System as well as several businesses in the downtown area. So what’s the big deal? Simply this: Ground source heat pumps that are supplied with constant temperature water are among the most efficient ways of heating and cooling buildings available.
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