13 year old AC & Coil - 3 Year old Furnace System is not cooling well in the peak heat of the day and there is a vent in the primary bathers that is sweating. I check the duct work and the insulation around the vent boot in the attic. The boot is well insulated and the duct work Is in good condition. The system is not cooling well do to non condensable’s in the refrigerant circuit, this has compromised the compressor. The system has a C-33 evaporator coil that is completely rusted out. Someone had put in some sort of leak stop that has damaged the compressor and causing pressures to rapidly fluctuate. Due to the age, condition, and refrigerant type, I recommended updating the cooling portion of the system. The homeowner agreed and I scheduled for our install supervisor to come out this afternoon to go over options. Thank you for choosing T.E. Certified, have a great day!