Announcement: Bailey Earns Industry-Leading NPS Score in Customer Satisfaction.
(667 Reviews)
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Bailey is Rated 4.9 on 
and Received an Industry Leading NPS® Score in Customer Satisfaction
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Gayle J.
Bailey came the day after I called them. Advised me with what thermostat I needed. Came back the next day installed it and I now…
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Diane R.
Called and left a message and they called back and had someone out the same day and the tech had my heat pump back up…
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Mike K.
Brodie was on time very professional and diagnosed the problem quickly. Aldi very good at explaining what the headcount system was not working properly. Excellent…
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David Y.
Broddie showed up right on time and began work. Very professional and friendly. He replaced the defective board and parts and explained what he was…
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Joshua B.
Landon did a great job assessing the electrical issues with breaker/electrical outlets in my home. He explained everything very well and provided estimates on actions…
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Sister C.
Seth and his coworker did a fantastic job for me and wow they had to work 8 hours outside in the hottest day so far.…
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Pat B.
Great crew fixed 3 electrical problems we had professionally done courteous and friendly staff cleaned up after the jobs done and did all work quickly…
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Jan W.
Isaiah was here to complete my fall maintenance check. He was friendly and professional. I have total confidence in the work and highly recommend Bailey’s…
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Tonja H.
Landon, came out to my home and installed an LED light fixture in my laundry rm, a utility light in a 2nd dwelling and 2…
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Janyce W.
Very impressed by Seth. He was professional, friendly and fast—finished the job quickly. In addition, he explained what he was going to do. His personality…
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Chey O.
Tucker did an amazing job identifying the issue and getting us back up and running. Professional and friendly attitude. Super pleased with the result and…
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Filomena D.
Brodey was in training when I had my AC check done. Now he is on his own and was trained well! Efficient, thorough, knowledgeable, so…
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Edith M.
The technicians were very knowledgeable, would go over the price with you of items needed to be repaired, and made sure the work areas were…
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Ella D.
Isaiah Gray was extremely professional & polite. He was there to provide my free heating inspection & maintenance on a new hvac that I had…
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John M.
Outstanding service. Seth had a Great attitude, you can tell he loves his job and à definitely à Great people person. Rain didn’t slow him…
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About Bailey’s AC Making Strange Noises Service Appointments
May 15, 2026
3 min read
Our experienced technicians take the time to evaluate your current system, discuss energy-efficient options, and explain what to expect during your AC service.
Justin Wood, General Manager
Email: GM@BaileyHeatingAndAir.com
- Read AI-generated recommendation
AI-recommendation on what to do next
When your AC is not cooling your home or is blowing warm air, it usually means the system is running but not removing heat the way it should. The cause may be simple, like a dirty air filter, thermostat setting, or blocked airflow.
Recommendation generated by Google Gemini and ChatGPT, slighted edited by Bailey GM.
Questions? Call customer service. Speak with a live person.
Average hold time 30 seconds or less
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If your AC is making a loud or unusual noise, it is usually a sign that something inside the system is loose, worn, or not operating correctly. Different sounds can point to different issues. Banging or clanking may indicate loose or broken parts. Buzzing can signal electrical problems. Screeching or squealing may come from a worn belt or motor issue. Rattling could be debris or loose components.
While some noises may start small, they often get worse over time and can lead to more expensive repairs if ignored.
If your system suddenly becomes louder than normal or starts making a new or unusual sound, it is best to have it inspected before the issue causes further damage.
After you complete the short form above, a Bailey comfort advisor will contact you within 1–2 hours during normal business hours to schedule your appointment. During your visit, our technician will inspect the blower motor, fan assembly, electrical components, compressor, and overall system operation to identify the source of the noise.
We will explain what we find in clear, straightforward terms, review your repair options, and help you decide the best next step. If the issue is minor, we will take care of it. If the system is aging or showing signs of larger mechanical problems, we will walk you through your options with no pressure.
AC Repair & Installation Service Areas:
Greeneville, Morristown, Johnson City, Chuckey, Mosheim, and surround areas.
Frequently asked questions about why your AC is making strange noises
You should call a technician if the noise is new, getting worse, or sounds like banging, screeching, or buzzing. These sounds often indicate underlying issues that should be diagnosed before they lead to system failure.
Screeching or squealing is often related to a worn belt, motor bearings, or a failing blower motor. These sounds typically indicate parts that are wearing out and may need repair or replacement.
A loud AC noise usually means something inside the system is loose, damaged, or failing. Common causes include loose parts, failing motors, worn bearings, or debris inside the unit. Sudden loud noises should be inspected to prevent further damage.
If your AC is gradually getting louder, it may be due to normal wear and tear on components like the fan motor, compressor, or blower assembly. Dirt buildup and lack of maintenance can also contribute to increased noise levels.
Rattling is often caused by loose screws, panels, or debris inside the unit. It can also indicate aging components beginning to wear out. While sometimes minor, it should still be inspected if it continues.
It depends on the noise, but in many cases it is best to limit use until the issue is inspected. Unusual noises can indicate mechanical or electrical problems that may worsen if the system continues running.
Banging or clanking often means a loose or broken part inside the compressor or fan assembly. It can also indicate an unbalanced or damaged blower. This type of noise should be checked quickly to avoid additional damage.
Buzzing can be caused by electrical issues such as a failing capacitor, loose wiring, or a malfunctioning contactor. It may also be caused by debris in the outdoor unit or issues with the fan motor.