Your Local Geothermal Professionals

Cosby Heating & Cooling is proud to serve the people of Mt Vernon and the surrounding area with prompt, quality service. We install WaterFurnace products which have industry leading warranties and performance. We pride ourselves on exceptional customer service. Call 740-393-4328 today to schedule a service appointment or for a free, no-obligation consultation. We’ll help determine the perfect system for your home or business. 

Our team services most major brands of geothermal and HVAC equipment. We’ve been proudly serving Mt Vernon and the surrounding area with top of the line products, service, and maintenance for years and hope to do the same for you, give us a call today!