Why Is My AC System Making Strange Noises?
An air conditioner that’s working well generates minimal noise during operation. However, if you start hearing strange sounds from your AC system, it’s a sign that something is wrong. Here are some unusual noises your AC system in Springfield, IL, can make and what they mean:
An unbalanced, broken or loose component in your AC system’s condenser can produce noticeable clanking noises. The main causes for these sounds include unbalanced fan blades or compressor issues. To fix clanking noises, you’ll need AC repair services to set the system back in balance or a compressor replacement.
You might not notice buzzing sounds inside your home when your AC system is running, but you may notice them as you walk past your outdoor unit. Several AC-related problems can cause buzzing sounds, including:
- Compressor malfunction.
- Evaporator coils.
- Loose AC parts.
- Malfunctioning condenser fan.
- Damaged isolation foot.
- A faulty contactor relay switch.
- Refrigerant leaks.
- Electrical issues.
It’s normal to hear a quick clicking sound from your home’s thermostat when the AC system shuts down or starts up. However, noticing the noise repeatedly during a cooling cycle might indicate a malfunctioning or broken thermostat. Furthermore, electrical issues within the compressor’s capacitors or relay switch can cause clicking sounds.
Banging or Rattling
A banging or rattling noise from your air conditioner is often caused by damaged or loose parts. With time, some parts of your air conditioner can become loose, causing them to vibrate and produce noise when your AC system is running. Damaged AC parts can also result in your air conditioner producing a banging or rattling sound.
Air conditioner noises can be frustrating, and they indicate underlying issues that need the attention of a professional to prevent further damage. Identifying the causes of the unusual sounds and taking the necessary measures to resolve the problem is essential. Contact Yard Heating & Cooling to schedule an AC inspection and maintenance to address the air conditioner noises.
Image provided by iStock
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