Geothermal.contractors

Gilliam's Heating & Cooling is a locally owned and operated HVAC contractor based in Weber City, Virginia, serving the Tri-Cities region and Southwest Virginia for over 25 years. Located at 2013 US Highway 23 South, the company specializes in geothermal heat pump installation across all loop configurations — vertical, horizontal, open-loop, and pond-loop — tailored to each property's site conditions, and is a WaterFurnace dealer. NATE-certified technicians service all major brands and perform Manual J load calculations and return-on-investment assessments so homeowners can evaluate potential energy savings before committing. Gilliam's also provides radon testing, addressing the elevated radon risk common across East Tennessee and Southwest Virginia, and offers 36-month financing for approved customers. The company serves customers on both sides of the state line from its Weber City base. Verified active operator per https://gilliamsheatingandcooling.com + WaterFurnace dealer locator (VA bundle audit 2026-06-02)