Skip navigation


24-Hour Emergency Service Available


Martin Heat & Air Blog

Watch for Early Signs That Your AC System Is Malfunctioning

Watch for Early Signs That Your AC System Is Malfunctioning

Common signs your Air Conditioning system is malfunctioning are inadequate cooling, weak airflow from the vents, strange noises, foul odors, frequent on/off cycling, and water leakage. As the weather warms, if you experience any of the warning signs listed, your AC needs repair in Myrtle Beach, S.C.

Are you sure your AC system is ready for another Myrtle Beach Summer? Maintenance for your air conditioning system should be at the top of your to-do list. Remember, average temperatures in each of our summer months are:

  • June high 85° / low 69°
  • July high 88° / low 73°
  • August high 87° / low 71°
  • September high 84° / low 66°

Early Warning Signs

A more detailed list of faulty AC signs is provided below.

Decreased Airflow: If you notice that the airflow coming from your vents is weaker than usual, it could be a sign of a problem with your AC system. This could be caused by issues such as clogged air filters, blocked ducts, or problems with the blower motor.

Strange Noises: Unusual sounds coming from your AC unit, such as grinding, squealing, or banging noises, may indicate mechanical problems or worn-out components that need attention.

Unusual Odors: Foul smells emanating from your vents when the AC is running could indicate mold or mildew growth within the system, a burnt-out wire, or other issues that require inspection and cleaning.

Uneven Cooling: If certain rooms in your home feel significantly warmer or cooler than others, it could be a sign of an imbalance in your AC system or problems with the ductwork.

Increased Energy Bills: An unexpected spike in your energy bills without a matching increase in usage could be a sign that your AC system is working harder than usual due to inefficiency or malfunction.

Frequent Cycling: If your AC unit is turning on and off more frequently than normal, it may be struggling to maintain the desired temperature or experiencing issues with the thermostat or compressor.

Leaking or Moisture: Any signs of leakage or moisture around your AC unit or near the vents could indicate problems with the condensation drainage system, refrigerant leaks, or other issues that need to be addressed promptly.

Visible Damage or Ice Buildup: If you notice ice forming on the refrigerant lines or any visible damage to the AC unit, such as dents or rust, it could indicate serious problems that require professional inspection and repair.


If you notice any of these signs, you must address them promptly to prevent further damage to your AC system and ensure efficient cooling in your home. Yearly inspections and tune-ups help keep your air conditioner running smoothly, identify issues before they turn into breakdowns, and extend the life of your air conditioning system. Schedule a qualified HVAC technician for inspection and repairs to diagnose and resolve any underlying air conditioning issues,

Contact Martin Heat & Air. We’re more than HVAC services; we give you peace of mind.

Comments are closed.