Ductless mini-split systems in Mauldin, SC are popular for their quiet operation, yet sometimes, they can produce unexpected noises. These sounds can be concerning, but understanding their causes can help you determine if you have a minor issue or a bigger problem. Learn the causes of five ductless noises.

1. Compressor Noise

The compressor is the heart of your ductless system, and it’s normal for it to produce some noise while in operation. However, if you hear sounds that depart from the norm, such as grinding and squealing, it might indicate a problem. Worn-out components can cause these noises.

2. Fan Noise

Ductless systems have both indoor and outdoor fans. If you hear a loud rattling or squeaking noise, the fan blades might be hitting something inside the system. Debris or worn-out bearings can also cause this issue.

3. Refrigerant Leaks

Refrigerant leaks can cause a variety of noises, such as hissing or bubbling. Refrigerant is essential to operate a ductless system, and a leak can significantly reduce its efficiency. If you suspect a refrigerant leak, contact a professional technician immediately because allowing this problem to continue without intervention can be dangerous.

4. Drainage System Issues

Ductless systems have a drainage system to remove condensation. If the drainage line is clogged or blocked, it can cause gurgling or dripping sounds. Regular cleaning and maintenance of the drainage system can prevent these issues.

5. Electrical Problems

Electrical issues can cause clicking or buzzing noises. Faulty wiring or electrical component failures can produce these sounds.

While some noises are normal, persistent or unusual sounds from your ductless system indicate potential problems. If you’re concerned about any noises, it’s best to contact a licensed and experienced HVAC technician for a diagnosis. Reach out to us at Palmetto Heating & Air LLC for ductless heating and cooling repair today.

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