Complete 1 system furnace repair and preventative maintenance check. Changed filter. Tested mechanical and electrical components. Found evaporator coil to be rusty, corroded and therefore likely to leak refrigerant. System runs on r22 which has been phased out. Found mold inside system. Found blower capacitor to be weak, recommend repair. System has no water safety whatsoever. Found capacitor in outdoor system to be very weak putting a strain on compressor and fan, recommend repair. Main electrical switch has electrical pitting present, recommend repair. Compressor is running at high amperage, recommend hard start kit to reduce the load on the compressor to help prolong the life of the system. System is heating at this time.