Geothermal.contractors

WellSpring Geothermal is a Nottingham, New Hampshire-based engineering and consulting firm specializing in geothermal system design for commercial, municipal, and high-end residential projects across New England and the Mid-Atlantic. Founded in 2010 by Timothy M. Roos, P.E., C.G.D., the firm brings professional engineering expertise and IGSHPA Accredited Installer credentials to every engagement. Tim holds multi-state PE licensure in Connecticut, Maine, Massachusetts, New Hampshire, New York, Ohio, and Vermont and serves as a charter board member of the New England Geothermal Professional Association. WellSpring's services include feasibility studies, earth-coupling design documents, permitting assistance, construction and commissioning support, and optimization of existing systems. The firm works with closed-loop vertical boreholes, standing column wells, and supply-to-diffusion configurations. Notable projects include the Salem State Library (approximately 120 tons), Stoneybrook Apartments in Epping, and a 23,000-square-foot custom residence in Andover. WellSpring also provides consulting for the Massachusetts Clean Energy Center's $30M Clean Heating and Cooling Program. Verified active operator per https://wellspringgeo.com/ + https://wellspringgeo.com/about/ (Bundle 5 audit 2026-05-29)