According to professional air conditioning repair experts, an AC system should last 10-15 years. However, sometimes AC units show signs of wear and tear before ten years. Most of the time, the number one reason why AC systems fail is that it is not cleaned. The dust build-up in the filters can cause problems over the years. That is why cleanliness and air conditioning repair can extend the life of your AC unit.
First of, your air conditioning system should be checked by a professional once or twice a year. Air conditioning refrigerants are toxic, so it needs to be handled by a professional. Otherwise, the toxins can cause respiratory problems.