Air conditioning systems tend to need the most repairs during the last few years of their service lives. This increase in repairs is a warning an air conditioner is almost ready for a replacement. But there are some repairs that can occur when an air conditioner is still less than ten years old—and there’s one that can occur in an air conditioner that has only been in service for more than five years. In fact, it’s one of the more common AC malfunctions, and it’s a serious one.
What is it? Pinhole leaks in the refrigerant lines. And the repair to fix that is to have the lines sealed.