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G.O. Loop provides critical loop field design and installation services that have enabled contractors to become among the most successful geothermal installers in their area. The company's technician Brandt delivers reliable installation quality and supports customers in achieving energy savings through geothermal system implementation.
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About the Contractor
G.O. Loop LLC is a dedicated geothermal loop drilling and installation contractor headquartered in Fox Lake, Wisconsin, serving all of Wisconsin and northern Illinois. Founded in 2005, the company has completed over 2,500 closed-loop geothermal systems across residential and commercial projects. Their scope covers turnkey loop field work including vertical drilling, directional drilling, trench excavation, and water system flushing — the below-ground portion that connects a property to earth-stable temperatures for year-round heating and cooling efficiency. G.O. Loop partners with HVAC contractors who supply the heat pump equipment, providing precision loop design supported by advanced software and IGSHPA-certified team members. The company is a member of the Wisconsin Geothermal Association and Wisconsin Builders Association.
IGSHPA-certified geothermal contractor with over 2,500 closed-loop systems installed across Wisconsin and northern Illinois since 2005, specializing in both vertical and directional drilling for residential and large-scale commercial projects.
Service Details
schedule
Years in Business
21 years
precision_manufacturing
Boring Methods
Vertical, Directional
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IGSHPA Certified
Business Hours
Mon7a-4p
Tue7a-4p
Wed7a-4p
Thu7a-4p
Fri7a-4p
SatClosed
SunClosed
Service Area
Serves 29 areas across Wisconsin
BarabooSpring GreenAlmaKenoshaFall CreekGreen BayWausauBaldwinSheboyganBlack River FallsNorthfieldReedsburgEdenRosholtMadisonEau ClaireGreenwoodOshkoshOneidaClintonvilleKeshenaManitowocJanesvilleDePereMenashaDeforestNeillsvilleOregonManitowish Waters
Regulatory Context
Geothermal Permitting in Wisconsin
Geothermal heat pump installations in Wisconsin require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
G.O. Loop's GeoExchange systems can reduce heating costs by up to 50% and cooling costs by up to 30% by tapping into the earth's stable temperatures. Most systems achieve a potential payback period of 5–10 years, after which you continue to benefit from lower operating and maintenance costs.
Yes, G.O. Loop proudly serves all of Wisconsin and northern Illinois. Based in Fox Lake, the company has installed over 2,500 closed-loop systems across residential and commercial properties throughout the region since 2005.
G.O. Loop specializes in both vertical and directional drilling for closed-loop geothermal systems. They handle everything from residential installations to large-scale commercial designs using advanced design software and IGSHPA-certified team members.
GeoExchange systems installed by G.O. Loop are designed for durability and can last for decades with consistent performance. They require minimal maintenance due to fewer moving parts and no combustion, offering long-term reliability compared to traditional HVAC systems.
Yes, G.O. Loop's team includes IGSHPA-certified members who specialize in closed-loop geothermal installations. The company is led by industry veterans with decades of expertise in geothermal drilling and loop field design.
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If you need to reach G. O. Loop LLC directly: (920) 326-2050
Geothermal heat pump installations in Wisconsin may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
