What is the average lifespan of a York air conditioner?

What is the average lifespan of a York air conditioner is 15 to 18 years with normal residential use and proper maintenance, which is similar to industry average for AC units of 15 to 20 years and similar to Rheem and Ruud at 15 to 18 years but slightly shorter than premium Trane and Carrier at 16 to 20 years. York AC units including LX YCD 14 SEER single stage, YCD 16 SEER two-stage, and YXV 20 SEER variable speed are built with standard Copeland scroll compressors and plate fin or microchannel coils designed for 15-year service life but often exceed with care. Average lifespan depends heavily on climate, usage, and maintenance. In hot climate like Texas and Florida where AC runs 8 to 10 months per year with 3,000 hours annual run time, average lifespan is 12 to 15 years due to more wear and tear, thermal stress, and salt air corrosion near coast that degrades coil fins and cabinets. In moderate climate like Ohio where runs 4 to 6 months with 1,500 hours annual run time, average lifespan is 15 to 18 years. Factors that shorten average lifespan include lack of annual maintenance with coil cleaning twice yearly, dirty filter causing high head pressure that strains compressor and reduces efficiency by 10 to 20 percent, poor installation with incorrect refrigerant charge that reduces life by 3 to 5 years, and not replacing capacitor when weak causing compressor hard starting. York offers 10-year parts warranty when registered within 90 days indicating expected 15-year life, many owners report 15 to 18 year lifespan with only minor parts like capacitor at 150 to 300 dollars replaced.