Ac repair. Discovered sunroom/basement system indoor unit cover withy heavy amounts of mold, failed secondary controller, burnt main electrical switch, extremely dirty coil and refrigerant issues, main level system tripped breaker, reset breaker and sparks flew from the wires. Discovered main system low on charge, needs new compressor starter, extremely dirty coil, and needs new switch. Both systems need ducts cleaned and ultraviolet light systems to combat mold growth inside system. Systems not running at this time.