Understanding your HVAC system components functions optimally. 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 of an HVAC system, especially if it hasn’t been properly maintained. For instance, increased humidity can lead to mold growth within the unit if not addressed promptly.During a tune-up, an HVAC technician will clean the components and Understanding refrigerant levels in your AC replace any worn-out parts that could cause problems in the future. This keeps your system running efficiently and effectively for years to come.DIY AC maintenance may seem like a cost-effective solution, but it comes with potential pitfalls. Without the expertise ofwel a professional, individuals might miss crucial steps in maintaining their air conditioning system.