Geothermal.contractors

Nash Drilling LLC serves Otter Tail, Becker, and Wadena counties from Dent, MN. With 40+ years of experience, Nash installs geothermal loop fields for residential and commercial properties. The company offers horizontal closed loops—cost-effective for larger lots—and vertical closed loops for rocky soil or tight sites. Each project includes site assessment, system design, HDPE loop installation, heat pump connection, and pressure testing. Most jobs complete within one week. Nash also drills water wells, handles rehabilitation, pump repair, and abandonment. State-licensed and bonded; free estimates. Verified active operator per nashdrilling.com (Bundle 4 import 2026-05-29)