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  • Writer's pictureDeSantisAC Appliance

Top 5 Signs Your AC Needs a Repair

Air conditioning is a crucial part of our daily comfort, especially during the hot summer months. However, like any other appliance, AC units can develop issues over time. Recognizing the signs that your AC needs a repair can save you from a sudden breakdown and costly emergency service. Here are the top five signs that indicate your AC might need a repair:

  • Inadequate Cooling: One of the most common signs that your AC needs a repair is inadequate cooling. If your AC is running, but the air isn't as cool as it should be or the rooms in your home are not cooling evenly, this could indicate a problem. It might be as simple as a low refrigerant level, which can be refilled by a professional. However, it could also be a sign of a more serious issue like a failing compressor. The compressor is the heart of your AC system, pumping refrigerant between the indoor and outdoor units. If it's not working properly, your AC won't be able to cool your home effectively.

  • Unusual Noises: AC units are designed to run quietly. If you start hearing strange noises like grinding, squealing, or rattling, it's time to call in a professional. These sounds can indicate a variety of issues. Grinding or squealing noises might suggest that there's a problem with the fan motor bearings, while a rattling noise could mean that there are loose parts in the system. Ignoring these noises can lead to more serious damage and potentially a complete system failure.

  • High Humidity Levels: Your AC should moderate humidity levels in your home. If you're noticing a sticky or clammy feel to the air inside, it may be a sign that your AC is not functioning properly. High humidity levels can make your home uncomfortable and can also lead to issues like mold growth. Your AC might need a simple re-calibration, or it might require a dehumidifier to be added to your system.

  • Frequent Cycles: While it's normal for your AC to cycle on and off, it shouldn't be doing so excessively. If you notice frequent cycles regardless of the weather, it might be a sign that your AC is not running efficiently and needs a repair. This could be due to a variety of issues, from a dirty air filter to a low refrigerant level, or even a thermostat problem. An AC that cycles too frequently will not only fail to cool your home properly, but it will also lead to higher energy bills.

  • Bad Odors: If your AC is producing a foul smell, it's not just an inconvenience. It can indicate serious issues like mold, mildew, or a burnt-out wire insulation. Mold and mildew can pose health risks, while a burnt smell could indicate an electrical problem that could potentially lead to a fire. It's important to address these issues quickly to prevent further damage to your system and to your home's air quality.

If you notice any of these signs, don't hesitate to reach out to a professional. At DeSantis AC, we specialize in AC repair and maintenance. Our team of experts can diagnose and fix your AC issues promptly and efficiently, ensuring your home stays comfortable all year round.



Two air conditioning units stationed outside a house in The Villages, showcasing the need for regular AC maintenance.
Twin AC units standing guard at a home in The Villages. With DeSantis AC, rest assured your comfort is our priority, all year round.


Understanding the Issues and Their Solutions

  • Inadequate Cooling: Inadequate cooling can be caused by a variety of factors. One of the most common is a low refrigerant level. The refrigerant is the substance that your AC uses to remove heat and humidity from the air. If the level is low, it means there's a leak that needs to be fixed. Simply adding more refrigerant won't solve the problem; the leak must be located and repaired. Another cause of inadequate cooling could be a dirty or clogged air filter, which restricts airflow and reduces the system's efficiency. Regularly replacing or cleaning the air filter can prevent this issue.

  • Unusual Noises: Unusual noises can be alarming, and they're often a sign that something is wrong. A squealing noise might indicate that the belt connecting the motor to the blower has slipped. A grinding noise might suggest that the bearings in the motor are broken. In either case, it's important to turn off your AC and call a professional to avoid causing further damage.

  • High Humidity Levels: If your AC is unable to keep humidity levels within a comfortable range, it might be due to dirty cooling coils. Over time, the coils can become coated with dirt and grime, which can prevent them from absorbing moisture from the air. Cleaning the coils might solve the problem. If not, you might need to add a dehumidifier to your system.

  • Frequent Cycles: Your AC should cycle on and off to maintain the set temperature within your home. However, if it's cycling too frequently, it could be a sign that it's not sized properly for your home. An AC that's too large will cool the home quickly, but it won't run long enough to remove humidity from the air. On the other hand, an AC that's too small will struggle to cool the home and will run constantly, leading to excessive wear and tear.

  • Bad Odors: Bad odors are often a sign of a bacterial or fungal growth within your AC system. This can occur when moisture accumulates in the system and isn't drained properly. Regular maintenance can prevent this issue by ensuring that the condensate drain is clear and that the system is free of excess moisture.

At DeSantis AC, we understand the importance of a properly functioning AC system. Our team of skilled professionals is equipped to handle all of these issues and more. We're committed to providing prompt, efficient service to ensure that your home stays comfortable all year round.



A professional HVAC technician testing an AC unit and giving a thumbs up, symbolizing a successful maintenance check.
Our expert HVAC technician gives a thumbs up after a successful AC check. At DeSantis AC, we ensure your cooling system is always in top shape!

The Importance of Regular AC Maintenance to Avoid Costly AC Repair


Regular maintenance is key to keeping your AC running smoothly and efficiently. It can help prevent many of the issues we've discussed, from inadequate cooling to unusual noises and more. Here's how regular maintenance can help:

  • Preventing Problems Before They Start: Many AC issues, like refrigerant leaks or dirty coils, can be caught and fixed during a routine maintenance visit before they lead to bigger problems. During a maintenance visit, a professional will inspect your system, clean necessary components, and make any necessary adjustments or repairs.

  • Improving Efficiency: Regular maintenance can help your AC run more efficiently, which can save you money on your energy bills. Tasks like cleaning the coils and replacing the air filter can improve airflow and heat transfer, helping your system cool your home more effectively.

  • Extending the Lifespan of Your System: By preventing serious issues and ensuring that your system is running efficiently, regular maintenance can extend the lifespan of your AC. This can save you money in the long run by delaying the need for a costly replacement.

  • Maintaining Your Warranty: Many AC warranties require regular maintenance. Failing to maintain your system could void your warranty, leaving you to cover the cost of any necessary repairs or replacements.

At DeSantis AC, we offer comprehensive maintenance services to keep your AC in top shape. Our team of professionals will thoroughly inspect your system, clean and adjust necessary components, and identify and fix any issues before they lead to a breakdown.



A DeSantis AC technician standing proudly in front of a home equipped with a Trane AC unit, ready for a maintenance check.
Our skilled DeSantis AC technician, ready to ensure your Trane AC unit is running smoothly for optimal home comfort.

The Importance of Regular AC Maintenance


Regular maintenance is key to keeping your AC running smoothly and efficiently. It can help prevent many of the issues we've discussed, from inadequate cooling to unusual noises and more. Here's how regular maintenance can help:

  • Preventing Problems Before They Start: Many AC issues, like refrigerant leaks or dirty coils, can be caught and fixed during a routine maintenance visit before they lead to bigger problems. During a maintenance visit, a professional will inspect your system, clean necessary components, and make any necessary adjustments or repairs. You can learn more about our AC and Appliance Maintenance Services on our website.

  • Improving Efficiency: Regular maintenance can help your AC run more efficiently, which can save you money on your energy bills. Tasks like cleaning the coils and replacing the air filter can improve airflow and heat transfer, helping your system cool your home more effectively. For more tips on improving energy efficiency, check out our blog post on 10 Essential HVAC Maintenance Tips for Your Home.

  • Extending the Lifespan of Your System: By preventing serious issues and ensuring that your system is running efficiently, regular maintenance can extend the lifespan of your AC. This can save you money in the long run by delaying the need for a costly replacement. If you're considering a new AC, take a look at our AC Installation Services.

  • Maintaining Your Warranty: Many AC warranties require regular maintenance. Failing to maintain your system could void your warranty, leaving you to cover the cost of any necessary repairs or replacements. For more information on this topic, you can refer to this external article from Energy Star.

At DeSantis AC, we offer comprehensive maintenance services to keep your AC in top shape. Our team of professionals will thoroughly inspect your system, clean and adjust necessary components, and identify and fix any issues before they lead to a breakdown. You can contact us to schedule a maintenance visit.



A DeSantis AC repair van parked outside a residential home in The Villages, indicating ongoing professional HVAC service.
Our DeSantis AC repair van on duty in The Villages, ensuring your home stays cool and comfortable with our expert HVAC services.


Scheduling Your Maintenance Visit with DeSantis AC


Scheduling a maintenance visit with DeSantis AC is a straightforward process. Simply visit our Contact Us page and fill out the form, or give us a call. Our friendly team will work with you to find a time that fits your schedule.


During a maintenance visit, you can expect our professionals to conduct a thorough inspection of your AC system. They'll clean and adjust necessary components, check for any potential issues, and make any necessary repairs. Our goal is to ensure that your AC is running at peak efficiency, providing you with reliable cooling and comfort.

Remember, regular maintenance is the best way to prevent serious issues and keep your AC running smoothly. Don't wait until you're experiencing problems to schedule a visit. With DeSantis AC, you can rest easy knowing that your comfort is our priority.


We hope this article has helped you understand the signs that your AC may need a repair, and the importance of regular maintenance. Stay tuned to our blog for more tips and advice on keeping your AC in top shape. If you have any questions or need to schedule a service, don't hesitate to reach out to us. We're here to help!

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