The worst thing young adults can do is go to graduate school because they aren't sure what else to do or they can't find jobs. Grad school, after all, is often an extremely long commitment. A Ph.D., for example, can take six years.
The average lifespan for an air conditioner is 10 to 15 years. Some air conditioners last up to 20 years. As interesting as these data points may be, they don't tell you the whole story. The issue is that a variety of factors affect the lifespan of an air conditioner.
Cancel. Home air conditioners should last for up to 30 years, though improper installation can reduce the lifespan of a unit. Discover the factors that affect the lifespan of an central air conditioner with help from an AC technician in this free video on heating and cooling the home.ancel. Home air conditioners should last for up to 30 years, though improper installation can reduce the lifespan of a unit. Discover the factors that affect the lifespan of an central air conditioner with help from an AC technician in this free video on heating and cooling the home.