Geothermal.contractors

Greatlakes Geothermal serves West Chicago, Illinois and the broader Chicago metropolitan area with specialized geothermal drilling and installation services. Drawing on over 50 years of drilling expertise, the company holds IGSHPA accreditation and maintains water well contractor licenses across Illinois, Wisconsin, Iowa, and Indiana. Their comprehensive service offerings encompass vertical geothermal drilling, complete well field design and construction, thermal conductivity testing, header design and installation, heat-fusion tie-ins, and horizontal trenching. Greatlakes Geothermal drills geothermal wells between 150 and 400 feet deep, installing durable HDPE loops engineered for 50-year performance with thermally conductive grout to maximize heat transfer. Their IGSHPA-certified fusion specialists complete heat-fusion connections that tie well fields together before bringing headers into buildings. The company serves both residential and commercial applications, working with mechanical contractors requiring well field design and HVAC professionals needing heat exchanger installation. Greatlakes Geothermal's integrated approach handles all geothermal work outside the building envelope for projects of any size.