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Bergerson Caswell demonstrated strong response time and reliability, with multiple customers reporting same-day or rapid service calls, knowledgeable technicians who explained repairs clearly, and work completed at or below quoted prices. The company received consistent praise for professional installation of geothermal and well systems, though one customer reported significant issues with a water softener installation that resulted in basement damage and unresolved customer service concerns.
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About the Contractor
Bergerson Caswell Inc, founded in Maple Plain, Minnesota in 1948, is a full-service geothermal loop installation company serving residential and commercial clients across the Midwest. The company installs vertical, horizontal, and pond-loop closed-loop systems as well as open-loop configurations, and performs precision directional drilling and thermal conductivity testing for projects ranging from single-family homes to large commercial sites with hundreds of boreholes. Bergerson Caswell has installed millions of feet of geothermal loop across the United States, providing design assistance and engineering support to homeowners, architects, and contractors. Their services extend to water well drilling, water treatment and conditioning, geotechnical drilling, and remediation. IGSHPA-member and BBB Accredited with an A+ rating, Bergerson Caswell offers 24-hour emergency service at (763) 479-3121.
Commercial geothermal leader with 37+ years of experience and millions of feet of loop installed, offering precision directional drilling and thermal conductivity testing from a single Midwest provider.
Geothermal heat pump installations in Minnesota 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.
Bergerson Caswell installs closed-loop vertical and horizontal systems, open-loop systems, and pond-loop configurations. The company has been installing vertical geothermal systems since 1987 and has expanded to include horizontal and lake/pond systems for both residential and commercial applications.
Yes, Bergerson Caswell specializes in large-scale commercial geothermal projects and has installed commercial geothermal systems with hundreds or even more than a thousand boreholes. The company has millions of feet of loop installed across the United States and serves as a leader in commercial geothermal experience with project references throughout the U.S.
Yes, the company provides comprehensive thermal conductivity testing and reports, as well as design assistance for homeowners, architects, and engineers. Bergerson Caswell can handle every aspect of geothermal design and installation from the smallest residential field to the largest commercial project.
Bergerson Caswell uses precision directional drilling for low-impact installation with amazing accuracy. The company also offers mud and air rotary drilling capabilities, clean sites, and test borings to ensure proper installation of geothermal systems.
Bergerson Caswell provides emergency service and can be reached at 763-479-3121. The company emphasizes being a 'Full Service, One Stop Shop' for geothermal HVAC, drilling, and related services.
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If you need to reach Bergerson Caswell Inc directly: (763) 479-3121
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Regulatory Context
Geothermal Regulations in Minnesota
Geothermal heat pump installations in Minnesota 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.
