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Why Is My Air Conditioner So Loud and Noisy?

by Erika Mehlhaff


At the height of the summer, Texans rely on their home air conditioning systems to help them beat the heat. If they hear strange noises coming from their air conditioners, it can send them into a panic. Sometimes air conditioners are just loud, especially older models. But other times, a noisy air conditioner points to a problem that needs attention to avoid a complete breakdown. All these factors may lead you to ask that familiar question, “WHY IS MY AIR CONDITIONER SO LOUD?”


So what do you do if your air conditioner is making noises? First of all, you’ll want to identify the sounds you hear as precisely as possible. A clear description of the noises coming from your air conditioner can help point you in the right direction when it comes to understanding what the problem is and what possible solutions there might be to keep your system running effectively.


While some noises indicate serious problems that need to be solved immediately to ensure that your air conditioning unit continues working properly, there are others that are signs of more minor issues. Minor issues that cause your air conditioner to make noises are common, and can usually be addressed fairly quickly and easily.


One of the most common causes of a noisy air conditioner is that it needs to be cleaned. Over time, your air conditioner collects dust, dirt, and other debris which settles inside of it. Taking time to inspect and clean it often results in the end of the noise.


Another common issue that causes air conditioners to be noisy loose screws and other components within the system. The wear-and-tear that comes from normal use can lead to loose parts that cause buzzing or rattling. If you hear sounds like that coming from your air conditioner, try tightening everything to see if it helps decrease or eliminate the noise.


Dirty coil fins can also be the source of unfamiliar noises emanating from your air conditioner. Sometimes the coil fins get bent in such a way that slows airflow and results in a noisy air conditioner. Making sure they are clean could solve your noise problem.


Other parts of your air conditioner, such as the motor and belts, could be causing it to be noisy, too. Sometimes all that’s needed to solve this problem is lubrication of those parts. Check them and apply a professionally recommended lubricant to make sure your air conditioner runs smoothly and stops making noise.


If you take care of your air conditioner in these ways, it won’t likely continue to be noisy. That said, if you try all these things and it is still noisy, the sounds might be a signal of a much bigger issue that might be around the corner if the problem isn’t addressed. In this case, calling a professional HVAC maintenance company should be your next step.


If you need to hire a reputable heating, ventilation, and air conditioning company in the Austin, Texas area, reach out to The Coolest LLC. The Coolest is a professional HVAC installation and maintenance company dedicated to serving Austinites and Texans in the surrounding area to keep them comfortable all year round. The skilled and experienced HVAC specialists of The Coolest can help you by inspecting your HVAC system, diagnosing problems, and providing the regular HVAC maintenance that is the key to keeping your system in top condition. Contact The Coolest LLC for more information.