You might wonder why your air conditioner is making strange noises. There are several reasons for this, but most can be addressed with a basic tune-up. By not addressing these issues, you could end up spending more than you would have on the unit in the first place. Here are some common reasons why your air conditioner makes noise. They range from simple noises to more complicated problems. Among the causes are a faulty thermostat, a clogged fan, an air conditioner leak, a malfunctioning component, or a damaged 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. If the noise is only intermittent, then it may be a more serious 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 AC replacement. Clogged fans are another common culprit. Depending on the cause, this noise may be caused by a failing fan motor or a faulty compressor. Ice accumulates in the air conditioning system during this process, resulting in a buzzing or pulsating sound. Water could also be causing the sound, and you should contact a professional as soon as possible to address these causes. In addition to dirty air filters, excess condensation and a malfunctioning thermostat can also be to blame. If you hear the noise, it’s probably a problem with your air conditioner. You should contact an HVAC technician to fix the issue. Loud noise may indicate a malfunctioning component. The most common reason for an air conditioner making noises is a motor out of balance. To stop the sound, you should fix the underlying problem. There is a possibility that a damaged 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.