A certified HVAC technician or business should clean another aspect of the central air conditioning. Use a vacuum to suck out all the unfastened dust and debris clinging into the filter (a handheld vacuum similar to the Black & Decker Dustbuster, offered on Amazon, is effective very well for this). https://griffinqz8b8.fitnell.com/71892879/the-basic-principles-of-how-to-clean-air-conditioners-in-qassim