About Us

G.O. Loop LLC was started in 2005 and has been growing steadily ever since. We specialize strictly in closed loop installation and currently have instaled well over 1000 such systems. We will install any loop system from small residential installations up to large scale commercial applications. For large scale projects, we also have the equipment and experience to conduct soil conductivity tests.

Gordy Oosterhouse is the founder of G.O. Loop and has been working with geothermal systems ever since his first installation in 1994. We now have a total of twelve employees and five employees who have IGSHPA training and certification. IGSHPA stands for International Ground Source Heat Pump Association which is an association which promotes, educates, and regulates the geothermal industry. We are located in south-central Wisconsin and service the entire state as well as the surrounding area.