INSPECTED DUCTWORK IN CRAWL SPACE AND DISCOVERED SEVERAL BROKEN RUNS FROM TRUNK LINE AND INSULATION HAS DETERIORATED. ALSO INSPECTED 5 TON HEAT PUMP AND DISCOVERED MOLD BUILDUP THROUGHOUT SYSTEM. EVAPORATOR COIL IS SEVERELY COVERED. STRONGLY RECOMMEND REPLACING ENTIRE DUCTWORK DOWNSTAIRS ALONG WITH A NEW 5 TON PACKAGE HEAT PUMP WITH A HIGH INTENSITY AIR PURIFIER AND OXIDIZER TO PREVENT MOLD SPORES AND OTHER MICROSCOPIC PATHOGENS FROM GROWING. ALSO RECOMMEND REPLACING THE 1.5 TON SPLIT HP FOR THE UPSTAIRS UNIT FOR IMPROVED PERFORMANCE AND ENERGY EFFICIENCY. SEE PICTURES