When your air conditioner is running smoothly, you hardly notice it. But when it starts making unusual sounds, it can be frustrating and even worrying. Homeowners across Florida depend on their AC almost year-round, so even a small issue can feel urgent.
If your AC is making a clicking noise, it may be something as harmless as the system starting up — or it could point to a more serious problem that needs attention. This guide breaks down common causes, troubleshooting steps and when to call the professionals.
Some clicking sounds are completely normal. Others can signal bigger issues. Here’s how to tell the difference.
Normal sounds may include:
Abnormal sounds often include:
If the noise is occasional and doesn’t affect cooling, it’s usually not urgent. But if your AC is clicking then shutting off, or the sound won’t stop, it’s time to investigate. Catching small issues early can prevent costly repairs and keep your home cool and comfortable.
Your air conditioner relies on multiple electrical components, and a failure in one of them can create repetitive clicking.
Possible electrical causes include:
If you hear an AC clicking noise when starting and then shutting off, this could point to an electrical fault. It’s important to take these sounds seriously because electrical issues can stop your system from cooling and cause a complete breakdown.
Electrical problems tend to happen more during the peak summer season when your AC works overtime. Always reach out to a professional for safe repairs if you suspect wiring or relay issues.
If the clicking isn’t electrical, it may be mechanical. Air conditioners rely on moving parts, and wear and tear can cause clicking noises over time.
A few mechanical reasons why your air conditioner is clicking could be:
Florida’s hot, humid climate puts extra strain on your cooling system. Outdoor units are exposed to storms, wind and landscaping debris, while indoor parts run nearly year-round. This means that a small obstruction or loose part can quickly turn into a clicking problem.
If your AC is constantly clicking or making noise while running, check for visible obstructions outside first. For more complex mechanical issues, professional service is the safest route — especially when the compressor or motor may be at fault.
Where the clicking comes from can tell you a lot about the problem.
Outdoor unit clicks may indicate:
Indoor unit clicks may mean:
At startup, a single click is normal. Repetitive clicking that prevents the system from running is not. One click is also typical when shutting down, but multiple at this stage could signal electrical or mechanical trouble.
Knowing the source can help you know what to do when your AC is clicking. If the noise is indoors, check the thermostat and air handler. If it’s outside, inspect the unit for debris. Wherever it is, if the clicking continues, call for service before the problem grows worse.
Before scheduling a repair, there are a few simple steps homeowners can try:
These basic steps can sometimes stop the clicking. But if your AC clicking noise keeps happening and then shuts off, or if the noise is constant, it’s time to schedule service.
Not all clicking is dangerous, but ongoing noises should never be ignored. Florida homeowners rely on AC more than heating, and breakdowns during summer can make your home unbearable. Call a professional if:
If your system is making a clicking noise, shutting off or refusing to start, Strada Air Conditioning & Heating offers multiple air conditioning services that can help.
Our family-owned company has served communities across Florida since 2003. If your AC keeps clicking, don’t wait — schedule a service call before it turns into a larger repair. We specialize in cooling, heating and electrical services, and we’ll find what’s causing the problem fast.
Use our 24/7 scheduling tool to book an appointment today or get an instant quote online. You can also call us 24/7 to schedule an emergency repair as soon as possible. Get reliable service, a Best Price Guarantee on new AC systems and comfort you can count on.
Joe Strada, owner of Strada Electric, Security & Air Conditioning, started working at the young age of 14. He’s never attended college, but he has spent his life dedicating his time and energy to his trade and providing high-quality services to his customers. At 19, Joe started working at a well-known air conditioning company and developing his commitment to excellence. He has state certifications in electric, plumbing, air conditioning, residential building and general contracting. During his years of training and experience, Joe noticed a sincere need for a dependable electrical contractor in Florida who embodied the same dedication to customer service in which he believed. In 2003, Joe co-founded Strada Electric, Security & Air Conditioning. Since then, the company has been in the business of providing peace of mind to customers. We offer expert electric, security and air conditioning solutions for homes and businesses, leveraging our experience to deliver professional and responsive service with reliability and respect.
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