Commercial
Learn More
Delivering sustainable energy solutions with precision and reliability, specializing in turnkey installation of closed-loop geothermal systems for heating and cooling.
What we do
We specialize in turnkey geothermal drilling and loop field installation. Using underground closed-loop systems we harness the earth’s stable temperatures for cost-effective heating and cooling.
Known as the go-to loop contracting business in Wisconsin
Make the change
GeoExchange systems provide an energy-efficient, reliable, and cost-saving solution for heating and cooling by utilizing the Earth’s natural temperature, making them ideal for modern buildings.
Learn moreThese systems provide significant long-term savings, potential payback periods, and a comfortable indoor environment year-round. Discover how GeoExchange can transform your energy usage and bring lasting value to your home or business. Learn more
50%
Cut heating costs
Tapping into the earths natural heat to reduce your cost by up to 50%.
30%
Save on Cooling
With efficient underground cooling reduce the cost of cooling by up to 30%.
5-10 years
Potential payback period
Start getting long-term savings after just a few years.
Founded in 2005, G.O. Loop LLC has grown into a trusted leader in geothermal loop installations, with over 2,500 closed-loop systems installed across residential and commercial projects.
Led by industry veterans with decades of expertise, we handle everything from vertical and directional drilling to large-scale commercial designs, backed by advanced design software and IGSHPA-certified team members.
Based in South-Central Wisconsin, we proudly serve all of Wisconsin and northern Illinois, dedicated to delivering sustainable and efficient geothermal solutions.