A sudden bang, screech or rattle from your air conditioner isn’t just irritating. It could be the sound of a costly breakdown looming. Strange noises from your AC system often signal trouble that needs immediate attention. Ignoring these warning signs can lead to higher energy bills, system failure or safety hazards. Here are the AC noises to listen for and what they could mean for your comfort and your wallet.
Banging or Clanking AC Noises
If your AC system starts making loud banging or clanking noises, it’s usually a sign of a loose or broken part inside the compressor. These parts may be hitting other components, causing further damage. A professional inspection is essential to prevent a full AC system failure.
Screeching or Squealing Sounds
Screeching often points to a problem with the fan motor or a worn-out belt. Over time, these belts can slip or break, halting the fan’s movement and reducing airflow. If not addressed quickly, it can lead to overheating or complete motor failure.
Clicking or Ticking Sounds
Clicking noises during startup or shutdown are normal, but constant clicking can be a sign of an electrical issue. Faulty relays, failing capacitors or control board malfunctions might be the culprits. Electrical issues should be handled immediately to avoid fire hazards.
Buzzing or Humming AC Noises
A persistent buzz or hum could indicate loose parts, debris inside the air conditioner or a refrigerant leak. It might also mean your AC system’s motor is starting to fail. Ignoring a buzzing sound can lead to poor cooling performance and increased strain on the entire system.
Don’t wait for a total breakdown. If your air conditioner starts making any of these unsettling noises, contact a qualified HVAC company like Strobel Custom Heating & Air right away. Early diagnosis and repair can save you money and your summer comfort.
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