Why should you consider air duct cleaning in Trion, GA? Indoor air quality impacts your health, energy efficiency and the lifespan of your HVAC system. At Hitchcock Heating & Air, we perform vent cleaning for residents throughout Chattooga County. Our pros recommend having your ductwork inspected and maintained every three to five years. Of course, if you have pets or a family member suffers from allergies, you may need to schedule this service more frequently.