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Telltale Clues to Your Air Conditionerâs Life Span. 1  The A/Câs age â The average air conditioner life span is roughly 15 years. If yours is over 10 years old, you can expect to see a steady loss of cooling capacity and efficiency. Older equipment is more prone to breakdowns too, so necessary repairs are more frequent.
, FAA Air Traffic Control Specialist- Sept 1976 - April 2006. 1  To work for the FAA as an air traffic controller , one must be 18 years of age, the maximum age one can start training is aged 30 and they must retire at 56 years old. However, if someone had previously held an air traffic controller position such as in the military, they may join up to 31 years of age.