Air conditioners, by nature, are noisy. Whatever type or brand of air conditioner you have, it will tend to produce noise to some extent. The latest airconditioning in Perth is quieter than its predecessor but it still produces noise, although at a lower level. High-efficiency air conditioning units included sound- reducing technology and two-stage compressors to keep noise produced by AC unit below 55 decibels. So, if you hear loud and unusual coming from your AC unit it could be a sign of a major problem. Paying no attention to weird and unusual noises produced by your AC unit can lead to major expense or even a replacement of the entire unit. The sooner you can identify noise and its cause the sooner you can resolve the issue. Here are the eight common sounds your air conditioning system may produce and what they may signify. 1. Banging If you could hear a banging noise from coming from your air conditioner, it might be a sign of a broken or loose part. It could b