Parrish Services has delivered geothermal heating and cooling to Northern Virginia homeowners for three decades from its Manassas location on Virginia Meadows Drive. The company holds the WaterFurnace GeoPro designation and specializes in high-efficiency geothermal installations tailored to each property: vertical loops for space-limited sites, slinky coils for compact-capacity needs, and horizontal ground loops for rural lots with ample landscape. Certified technicians handle complete system design and installation, including site evaluation, sizing, trenching, drilling, permitting, ductwork review, and smart-thermostat integration, and regularly rehabilitate improperly installed geothermal systems from other contractors. Beyond geothermal, Parrish is a full-service home mechanical contractor offering HVAC, plumbing, electrical, and generator work, and holds Virginia Class A Contractor license #2705038448.
Verified active WaterFurnace GeoPro dealer per parrishservices.com why-choose-parrish + WaterFurnace locator (VA bundle audit 2026-06-02)
30-year certified geothermal specialist in Northern Virginia offering three loop types and expert rehabilitation of incorrectly installed systems from other contractors.
