Tech arrived at a warranty tuneup. Upon inspection the capacitor was within specs. The outside system was functioning. The filter was dirty and replaced. The ductwork and blower area was dirty. The system had growth throughout. The Delta was within range. The condenser coils were hosed off to assist with air flow across the coils. The customer was informed of recommendations today. She will speak to her husband about ductwork and the IAQ 200 System and Air Cleaner. The system was functioning upon departure.