check my source refrigerant levels and add more if necessary.A: It’s recommended to schedule an AC tune-up at least once a year. However, if you use your system frequently or have an older unit, more frequent check-ups may be necessary.The transition from one season to another also brings about changes in humidity levels and airborne particles. These fluctuations can affect the performance ofwel an HVAC system, especially if it hasn’t been properly maintained. For instance, Homepage increased humidity can lead to mold growth within the unit if not addressed promptly.An HVAC pro conducting testings on the efficiency and functionality of the AC condenser electrical components. Professional AC tune-up services offer several advantages aan DIY maintenance. One of the main benefits is the expertise, precision, and thoroughness that professionals bring to the table.