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Seaside Air Services Blog

5 Sounds to Consider for Your Next Commercial AC Fix

In the heart of summer, a smooth-running commercial air conditioning system is the backbone of a comfortable and productive work environment. However, unusual noises emanating from your AC unit can disrupt operations and signal potential trouble. Ignoring these sounds can lead to costly breakdowns, decreased efficiency, and even complete system failure.

This blog post explores five key sounds that indicate the need to repair your commercial HVAC in West Palm Beach, FL.

1. Screeching and Squealing:

A high-pitched screech or squeal is a common sign of trouble within the moving parts of your AC system. Here are the potential culprits:

  • Fan Belt Woes: The most likely cause is a worn or loose fan belt. The belt drives the condenser fan, which is crucial for heat exchange. A failing belt can lead to overheating and potential compressor damage.
  • Bearing Issues: Worn or dry bearings in the fan motor or compressor can also cause a screeching sound. Without proper lubrication, these bearings can seize, leading to a complete system shutdown.

2. Banging and Clanking

Loud banging or clanking noises are a red flag for loose components within your AC system. Here’s what could be causing the ruckus:

  • Fan Blade Breaking Down: A broken or dislodged fan blade can bang against other components, creating a jarring noise. This can happen due to wear and tear or improper installation.
  • Debris Problems: Foreign objects like twigs or leaves can get sucked into the AC unit and bang around inside, causing a clanging sound.

3. Hissing and Bubbling

A hissing or bubbling sound, often originating from the outdoor unit, can be a telltale sign of a refrigerant leak. Refrigerant is the lifeblood of your AC system, absorbing heat indoors and releasing it outdoors. A leak signifies a loss of this critical component:

  • Efficiency Issues: A refrigerant leak reduces the amount of available coolant, forcing the system to work harder to achieve the desired temperature. This translates to increased energy consumption and higher utility bills.
  • Environmental Impact: Most refrigerants are greenhouse gases. A leak contributes to climate change and may require specific handling by a licensed professional.

4. Rattles and Shakes

A persistent rattling sound can indicate several potential issues:

  • Loose Screws or Panels: Over time, screws and panels within the AC unit can become loose, causing a rattling noise during operation.
  • Fan Blade Misalignment: A damaged or unbalanced fan blade can create a rattling sound as it spins.
  • Compressor Concerns: In some cases, a failing compressor can also cause a rattling noise due to internal component malfunction.

5. Consistent Humming

While a low hum is a normal sound during AC operation, a sudden increase in humming intensity can indicate several problems:

  • Restricted Airflow: Clogged air filters or dirty condenser coils can restrict airflow, causing the system to work harder and generate a louder hum.
  • Compressor Overload: A failing compressor struggling to function due to various factors can also lead to excessive humming.

The good news is that a team is available to help you when a commercial AC problem pops up. Schedule an appointment with the experts at Seaside Air Services to get started.

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