<br>[AC repair Simpsonville](https://bbarlock.com/index.php/AC_Repair_Simpsonville:_Signs_Your_System_Needs_Service) service calls often involve basic issues such as dirty filters, clogged condensate drains, electrical problems or [airflow restrictions](https://www.express.co.uk/search?s=airflow%20restrictions). A simple first step is to check the air filter and [replace](https://www.google.com/search?q=replace) it if it is dirty. It also helps to confirm that supply vents are open and that the outdoor unit has clear space around it so airflow is not blocked