5 ms·
Well, speaking of Indiana, I worked at a church in IN that used the type of geothermal you describe. Kept the church warm all of the two or three winters I was
by mikestew 6y ago
Well, speaking of Indiana, I worked at a church in IN that used the type of geothermal you describe. Kept the church warm all of the two or three winters I was there. IIRC (and I probably don't from 25 years ago), the ground temp was around 54F at the depth it was pulling from.