IAQ estimate Brother in law already replaced the X13 motor Supply side duct work is short a full ton of air X13 will fail again Biological growth present in the air handler and supply plenum No p trap on the secondary drain line Primary drain line clogged and slow to drain. Currently tripping Y circuit Blower and coil are dusty and inefficient and should be cleaned Low voltage wire to the condenser is stripped of insulation and should be repaired and wrapped in conduit Homeowner will discuss with her brother in law and get back to us