Yes! My father-in-law's house has geothermal, and he keeps the place frigid in the summer because it costs next to nothing to cool it. Incidentally, he's about

Yes! My father-in-law's house has geothermal, and he keeps the place frigid in the summer because it costs next to nothing to cool it. Incidentally, he's about to put the place up for sale, if anyone's interested in a nice home in the "not Chicago" part of Illinois...