You might wonder why your air conditioner is making unusual noises, then there are many reasons for this, but most can be addressed with a basic tune-up. By not addressing these concerns, you could end up spending more than you would have on the machine in the first siteâ€¦ Here are some typical reasons why your air conditioner makes noise. They range from simple noises to more complicated troubles! Among the causes are a faulty thermostat, a jammed fan, an air conditioner leak, a malfunctioning component, or a disfigured motor; One cause is a faulty thermostat. The cause may be electrical or mechanical. The rattling may be continuous or intermittent. An unbalanced thermostat may be to blame, but if the noise is only intermittent, then it may be a more drastic issue. An electrical problem or worn-out fan parts can cause a noisy fan. This is also a sign that your system's thermostat is out of balance. If the noise continues, you may need to consider an A/C replacement! Clogged fans are another typical culprit, depending on the cause, this noise may be caused by a failing fan motor or a faulty compressor. Ice accumulates in the a/c during this process, resulting in a buzzing or pulsating sound, and water could also be causing the sound, as well as you should contact a professional as soon as possible to address these causes. In addition to dirty air filters, excess condensation as well as a malfunctioning thermostat can also be to blame. If you hear the noise, it's actually a problem with your air conditioner! You should contact an Heating as well as Air Conditioning serviceman to service the issue, however loud noise may indicate a malfunctioning component. The most typical reason for an air conditioner making noises is a motor out of balance. To stop the sound, you should service the underlying problem. There is a chance that a disfigured fan motor causes whirring noises. The air conditioner should be checked by a professional if this noise occurs. If the noise persists after the compressor has been repaired, it may indicate a refrigerant leak.