Performed cooling maintenance on a Trane AC system Cleaned CleanEffects electronic air cleaner and reset reminder Blower clean Drain clear Washed outdoor unit and coil with coil cleaner and water Verified refrigerant charge is in spec: 7.7⁰ subcool (calls for 8⁰ +/-3⁰) Capacitor within tolerance Wiring is secure, free of overheating and fraying Did remove a dead mouse from the unit: did not see any damage caused by it System is clean and ready for summer