Ductless Heating System

3 Ductless Heating Sounds and What They Mean in Hanahan, SC

November 27, 2023

Ductless heating systems in Hanahan, SC, are usually whisper quiet. If your mini-split system makes noises other than the slight whir you normally hear when it runs, you must have it inspected because there’s likely a problem. The following noises indicate that you must call a professional to troubleshoot and repair your ductless heating system:

Buzzing or Vibrating

Buzzing or vibrating might mean your outdoor compressor has electrical problems. The most common electrical issues are a faulty circuit board or loose wires. Electrical problems can cause your system to be less efficient or even a fire hazard. Therefore, it’s paramount that you call a professional immediately if you suspect something may be wrong.

Some other causes of buzzing or vibrating noises may include:

  • Loose components.
  • Faulty fan motor.
  • Dirty condenser coils.
  • Broken fan blades.
  • Loose fan blades.

Bubbling or Hissing

When air bubbles form in refrigerant lines, bubbling or hissing noises are common. A leak is usually the culprit and might lead to system failure if uncorrected.

If there’s a blockage or crack, moisture can enter your mini-split system, contributing to bubbling sounds. Replacing the drainage line is the remedy for this problem. Never attempt a DIY refrigerant repair. When handled incorrectly, this chemical is hazardous to human health and the environment.

Rattling

Loose components inside your ductless heating system can sometimes cause a rattling noise. Rattling sounds can also occur because the parts are defective.

Wear and tear are significant contributors, with the loose parts hitting the framing when the mini-split system is in use. Because parts wear down over time, it’s a good idea to schedule regular maintenance on your ductless heater.

Don’t be dismissive if your ductless heating system makes strange noises. Call our ductless HVAC service experts at Berkeley Heating & Air Conditioning today.

Image provided by iStock

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