Common Causes of Air Conditioner Noise

Your once-quiet AC unit might be trying to tell you something. Let’s decode the most common noisy culprits:

• • Loose components like fan blades or panels
  • Buzzing or humming from the compressor of your AC
  • Squealing or grinding from motors or blades
  • Hissing or bubbling indicates potential leaks
  • Buzzing or clicking from wiring issues
  • Rattling or whistling from ductwork problems

Diagnosing the Problem

• • Classify the Noise: Is it a rattle, buzz, hiss, or something else?
  • Locate the Source: Is it coming from indoors, outdoors, or the ductwork?
  • Timing is Everything: Does it happen at startup, during operation, or shutdown?
  • Visual Inspection: Look for obvious issues like loose parts or debris
  • Temperature Test: Listen for changes when adjusting your thermostat

DIY Fixes for Noisy Air Conditioners

Sometimes, the solution is simpler than you think. Here are some DIY fixes that might just do the trick:

• • Grab a screwdriver and secure any loose screws or bolts
  • Replace dirty air filters to improve airflow and reduce strain
  • Clear the area around your outdoor unit of leaves and twigs
  • If manufacturer-approved, lubricate those fan motors
  • Gently clean the condenser and evaporator coils
  • Inspect and seal any leaky ductwork

When to Call a Professional

• • The heart of your AC needs special care
  • Leaks can be dangerous and require certified technicians
  • Leave the shocking stuff to the professionals
  • Replacement might be necessary for persistent noise
  • Major repairs need a professional assessment

Preventing Future Noise Issues

• • Schedule professional maintenance with CLT Appliance Repair
  • Mark your calendar for regular filter changes
  • Keep your outdoor unit clear of debris year-round
  • Address minor issues before they become major headaches