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Robert Gibb & Sons, Inc. is a full-service mechanical contractor serving Fargo and the broader North Dakota region since 1915. Now in its third generation of family ownership, the company provides residential and commercial HVAC, plumbing, electrical, and geothermal heat pump services. Geothermal is listed as a core residential offering alongside heating, cooling, boilers, and indoor air quality. The company maintains locations in both Fargo and Bismarck and is available 24/7 for emergency service.
Robert Gibb & Sons — full-service HVAC, plumbing, and geothermal heat pump contractor in Fargo, ND. Est. 1915. Residential and commercial.
Service Details
schedule
Years in Business
111 years
factory
Brands Installed
Service Area
Serves 2 areas across North Dakota
FargoBismarck
Regulatory Context
Geothermal Permitting in North Dakota
Geothermal heat pump installations in North Dakota 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.
Geothermal heat pump installation in Fargo typically costs between $18,000–$45,000 depending on system size, loop type (vertical vs. horizontal), lot conditions, and home square footage. Available state and utility incentives can reduce net cost (federal §25D credit ended Dec 31, 2025 under OBBBA; §48 commercial ITC may still apply). Request quotes from multiple certified installers in North Dakota to compare pricing.
Most North Dakota municipalities require permits for geothermal well drilling and ground loop installation. Requirements vary by county — some require driller licensing, environmental impact review, or water well permits. Your geothermal installer should handle the permitting process. Contact your local Fargo building department for specific requirements.
Geothermal heat pumps typically last 20–25 years for the indoor unit and 50+ years for the ground loop. In Fargo's climate, a properly maintained system provides reliable heating and cooling with minimal degradation. Annual professional maintenance and filter changes every 3 months help maximize system lifespan.
Most properties in Fargo, North Dakota can support geothermal systems. Vertical loop systems require minimal land area (as little as a standard residential lot), while horizontal loops need more yard space. A qualified installer will conduct a site assessment including soil conductivity testing to determine the best loop configuration for your property.
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If you need to reach Robert Gibb & Sons, Inc. directly: 701-282-4400
Geothermal heat pump installations in North Dakota 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.
