Strange AC Noises Should Never Be Ignored
Your air conditioner should cool your home quietly. When it suddenly starts making loud, unusual noises, it’s often a sign that something is wrong. If addressed early, many issues can be resolved before they lead to costly repairs or total system failure.
Understanding what those noises mean will help you decide when it’s time to call the professionals.
Common AC Noises and What They Could Mean
🔧 Banging or Clanking
If your AC unit makes a banging sound, it could indicate a loose or broken part inside the compressor. Eventually, the component can cause additional damage if not fixed promptly.
🔊 Buzzing
Buzzing often points to electrical issues, such as a failing capacitor, loose wiring, or a malfunctioning motor. These should be inspected by a licensed technician as soon as possible.
🧊 Hissing
Hissing may mean a refrigerant leak, which impacts cooling performance and energy efficiency. Leaks must be repaired immediately to avoid compressor damage.
🌀 Squealing
High-pitched squealing sounds might be caused by a worn-out blower motor or belt. While some newer AC units produce a faint squeal at startup, persistent noise is not normal.
⚠️ Clicking
It’s normal to hear a click when your system starts up or shuts down. However, repeated or rapid clicking could suggest a faulty relay or thermostat issue.
Why Quick Action Matters
At first, these noises may seem like small annoyances. However, ignoring them can lead to larger problems and even full system failure. Additionally, a noisy unit often runs less efficiently, increasing energy bills and putting more stress on internal components.
That’s why calling a professional as soon as you notice a new or worsening sound is the best way to protect your system and your comfort.
Trust Steve Patrick Air for Expert Diagnosis and Repair
With over 44 years of experience, Steve Patrick Air has helped Fresno and Clovis homeowners solve AC noise issues quickly and effectively. From minor repairs to full system diagnostics, we get the job done right—the first time.
We’re available 7 days a week, with no overtime fees, even on evenings, weekends, and holidays.
📞 Call 559-224-1729 today to schedule an inspection if your AC is making loud noises. Let Steve Patrick Air restore your peace and comfort—fast.
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