Reasons Why Your AC Keeps Running And Why You Should Be On The Look Out

In the heat of summer, a functioning air conditioner (AC) is essential for comfort and relaxation. However, if your AC keeps running continuously, it can be frustrating and costly. Not only does it lead to higher energy bills, but it can also indicate potential issues with your system. Understanding the reasons behind an overactive AC can help you address the problem promptly and efficiently. In this article, we’ll explore the common causes of why your AC keeps running, what you can do about it, and why it’s crucial to be vigilant about these issues.

Common Causes of an AC That Keeps Running

Incorrect Thermostat Settings

One of the simplest reasons your AC keeps running after the temperature is reached is incorrect thermostat settings. If the thermostat is set to a lower temperature than necessary, the AC will continue to run in an effort to reach that temperature. Ensure your thermostat is set to a reasonable temperature to avoid overworking your unit.

Dirty Air Filters

Dirty air filters can restrict airflow, causing your AC to keep running. When the airflow is obstructed, the system has to work harder to cool your home, leading to prolonged operation times. Regularly check and replace your air filters to maintain proper airflow and system efficiency.

Refrigerant Leaks

A refrigerant leak can be a significant issue, causing your AC to keep running but not cooling efficiently. Low refrigerant levels mean the system can’t effectively absorb heat from your home, leading to continuous operation without reaching the desired temperature. If you suspect a refrigerant leak, it’s essential to contact a professional for repair.

Malfunctioning Thermostat

Sometimes, the issue lies with the thermostat itself. A malfunctioning thermostat can misread temperatures, causing the AC to keep running after the temp is reached. Consider replacing your thermostat if you notice inconsistencies in temperature readings or if the unit is old.

Poor Insulation

Cool air can escape if your home is not insulated correctly, causing your AC to keep running to maintain the desired temperature. Improving your home’s insulation can help retain cool air and reduce the workload on your AC unit.

Faulty Fan Relay

Sometimes, the AC compressor turns off, but the fan keeps running. This issue is often due to a faulty fan relay. The fan relay is responsible for controlling the fan’s operation, and if it’s malfunctioning, the fan can continue running even when the compressor is off. Replacing the fan relay can resolve this problem.

Steps to Address an AC That Keeps Running

Check Thermostat Settings

Ensure your thermostat is set to a reasonable and consistent temperature. Avoid drastic temperature changes, which can cause your AC to run continuously.

Replace Air Filters

Check and replace your air filters regularly, ideally every 1-3 months. Clean filters promote better airflow and efficiency, helping to prevent your AC from running excessively.

Inspect for Refrigerant Leaks

If you suspect a refrigerant leak, contact a professional HVAC technician to inspect and repair the issue. Handling refrigerants requires expertise and proper equipment.

Upgrade Your Thermostat

Consider upgrading to a programmable or smart thermostat. These devices can provide more accurate temperature readings and allow you to better control your cooling schedule.

Improve Home Insulation

Enhance your home’s insulation to prevent cool air from escaping. Seal windows, doors, and any gaps in your home’s structure to maintain a consistent temperature.

Address Fan Relay Issues

If the AC compressor turns off but the fan keeps running, have a technician inspect and replace the fan relay if necessary. This can help ensure that both components operate in sync.

Why It’s Important to Address Continuous AC Operation

Allowing your AC to keep running without addressing the underlying issues can lead to several problems:

Increased Energy Bills: A continuously running AC consumes more electricity, generating higher energy bills.

Wear and Tear: Prolonged operation can cause excessive wear and tear on your AC components, potentially leading to more frequent repairs or premature system failure.

Decreased Comfort: An AC that runs constantly may struggle to maintain a consistent and comfortable temperature in your home.

Addressing these issues promptly ensures your AC operates efficiently and effectively, providing the comfort you need during the hot summer months.

Expert Help When You Need It Most

If your AC keeps running and you are unsure how to fix it, it’s always best to consult with a professional. At South Shore Mechanical, we specialize in diagnosing and repairing AC issues to ensure your system runs smoothly and efficiently. Our team is here to help you maintain a comfortable home environment.

For expert assistance with your AC issues, reach out to us at South Shore Mechanical. We are dedicated to providing top-notch Air Conditioning service and ensuring your air conditioner operates at its best.