Carbon-free buildings

Geothermal

Geothermal cuts emissions and costs at these Minnesota public schools

With federal incentives, the state’s second-largest school district is using geothermal to revamp school heating and trying out a novel aquifer-based system.

By Frank Jossi  . 

Installation of a ground-source geothermal system at Johnson Senior High School in St. Paul, Minn. (TCC Materials)

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