read review tear on your system. 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.Turn off power to the unit: Before starting any maintenance on your air conditioning unit, turn off power to the system.twee. Routinely Replace or Clean Your Air Filter: advice As mentioned previously, a clean air filter kan zijn essential for efficient system operation, so be sure to check it monthly and replace or clean it as needed.