5 Air Conditioner Sounds You Can’t Afford to Ignore

As technology advances, air conditioning systems become quieter than before. That’s why it’s particularly worrying when you hear strange noises from your AC system in Fort Myers, FL. Here are some examples of air conditioner sounds and their meanings:


Your home’s air conditioning system might produce screaming or screeching noises. Turn off your air conditioner immediately if you hear screaming. A refrigerant leak is one of the most common reasons for a screaming air conditioner.

Leaks of refrigerant can cause significant damage to your air conditioner and may endanger your health. High internal pressure is another cause of a screaming AC system. In any case, call us for AC repair and maintenance.


AC systems will screech in the same way that vehicles do when a belt is loose. A loud screeching indicates that the fan belt is worn or misaligned. If you only hear the squealing occasionally, keep in mind that humidity levels might cause a fan belt to expand or contract, causing it to be out of alignment.

If you hear a squealing noise, cut off the AC system before the malfunctioning part does more harm. Call our HVAC professional immediately to avoid this issue escalating into a major, costly one.

Loud Sounds

Is your air conditioner simply too loud? An air conditioner that’s too noisy can be caused by several factors, including dirty condenser fins, an oversized system for your home and broken air ducts. An AC system that’s too old has to be replaced.

Regular AC maintenance checks are the best approach to avoid air conditioning problems. Regular inspections enable our service technicians to foresee future issues and solve them before they occur.

It’s also the most effective approach to lengthening the life of your air conditioner. Taking proper care of one of your home’s largest assets is critical.

Rattling Sounds

The noise source determines the cause of an air conditioner rattling. Hearing it throughout your home might mean that your air ducts were placed incorrectly or have grown loose.

Confirm to see if any of the air vents in any of the rooms have been closed recently if it is a recent incident. Closing vents alter the air pressure within the ducts, which can create leaks or cause them to become loose.

If the noise comes from the main interior area of your air conditioner, it’s most likely caused by loose parts such as screws, fasteners or bolts. You should contact our HVAC service technicians for assistance with this problem.

If none of these explanations are correct, the rattling sounds might be coming from the compressor. This occurs with age and is generally one of the first indications that you need AC replacement.


If you hear a buzzing or humming noise from your air conditioner or condenser, it might mean that the compressor isn’t operating or the electricity is too hot. Another cause of a buzzing AC noise is that your condenser’s small rubber feet are growing old and worn out. The condenser will shake and hum as a result of this.

Buzzing may indicate a refrigerant leak or loose components. In any case, if you hear a buzz, it’s time to contact your HVAC service technician.

Before calling a professional to arrange an AC repair service, ensure the filter is clean and the thermostat is adjusted to the correct setting. If replacing the filter and setting the thermostat doesn’t solve the problem, seek our help. Trying to repair an air conditioner on your own might result in more damage or even personal danger.

If your air conditioner isn’t working properly, contact the AC repair specialists at Rocket Cooling. We take expert care and attention in maintaining your HVAC system. Our service technicians are trained to service all brands and models of air conditioners.

Image provided by iStock

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