Morrison Inc. is a full-service geothermal contractor based at 63 Gambers Corner Road in Duncannon, Pennsylvania, with over 40 years of experience and more than 6,000 geothermal installations across central Pennsylvania. An IGSHPA Ground Loop Installer and WaterFurnace dealer, the company designs and installs both closed-loop horizontal and vertical ground-source systems for residential and commercial properties. Morrison operates its own drilling and excavating fleet, including compact rigs suited to constrained sites, and provides ongoing preventive maintenance contracts. Service area spans Adams, Cumberland, Dauphin, Juniata, Lancaster, Lebanon, Mifflin, Northumberland, Perry, and York counties. The firm also installs air-source heat pumps, radiant floor heating, and pool heating systems, and offers geothermal system design, drilling, and long-term maintenance support.
Verified active operator per morrisongeothermal.com + IGSHPA strict directory (Ground Loop Installer, Duncannon PA) + drillerdb.com (PA bundle audit 2026-06-01)
Morrison Inc. operates its own drilling and excavating fleet with 40+ years of experience and 6,000+ installations, providing complete turnkey geothermal design, drilling, installation, and maintenance throughout central Pennsylvania.
