The average expected operational lifespan of a residential central air conditioning condensing unit and matched indoor coil ranges from 12 to 15 years, though premium high-end systems (such as Carrier Infinity or Trane systems) properly maintained can reach 15 to 20 years. Achieving this multi-decade milestone depends heavily on scheduling annual professional preventive maintenance, replacing high-efficiency air filters every one to three months to prevent evaporator coil freezing, keeping outdoor condenser fins clear of debris, and protecting electrical components from power surges.
1 votes
Marked as accepted