Tech arrived at a tuneup. Carrier. The capacitor was within specs. The contactor was in working condition. The condenser coils were clean. The filter was relatively clean. The ductwork, coil and blower area was dirty. There was growth throughout the system. The primary drain was clogged. The customer was informed of recommendations today. He decided to move forward with unclogging and treating the drain system. He will discuss IAQ, Duct and System cleaning with his wife and will call back at a later time. Customer was emailed recommendations. He plans to move soon. The system was functioning upon departure.