Geothermal.contractors

Winchester Mechanical is a second-generation, family-owned HVAC contractor headquartered at 20 Trafalgar Square in Nashua, New Hampshire, providing commercial and residential services across New Hampshire and Massachusetts since 1987. The company specializes in commercial and industrial HVAC installation alongside residential and commercial geothermal heating and cooling systems, indoor air quality solutions, custom ductwork fabrication, and strategic electrification projects. Geothermal systems from Winchester Mechanical utilize underground loop piping rated for 50-plus years, reducing home or building energy consumption by 50 to 70 percent compared to conventional systems. Their certified technicians offer free consultations and energy assessments, and the company supports customers through available federal and local tax credit programs. Winchester Mechanical is also approved for government HVAC work. Call 603-402-1934 or email [email protected]. Verified active operator per https://www.winchestermechanical.com/ + https://www.winchestermechanical.com/geothermal (Bundle 5 audit 2026-05-29)