Affordable NYC HVAC Services by TrueTemp Control

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The onset of warmer weather means many of us turn to our air conditioning (AC) units for relief from the heat. However, an AC unit that runs without cooling can turn comfort into frustration. Understanding why this happens can help you diagnose the problem and decide whether you can fix it yourself or need a professional team like True Temp Control for assistance. Here are some of the most common reasons your AC might be running but not cooling your space effectively during summer.

One of the simplest yet most overlooked reasons is a dirty air filter. The air filter's job is to trap dirt, dust, and other airborne particles, preventing them from entering your AC system. Over time, the filter can become clogged, restricting airflow and significantly reducing the unit's efficiency. Checking and replacing your air filter regularly can prevent this issue.

Another potential culprit could be the thermostat. If it's not set correctly, or if it's malfunctioning, your AC might not be getting the right signals to cool your space. Ensure your thermostat is set to "cool" and not just "fan," and check the batteries if it's battery-operated. Sometimes, recalibrating or replacing the thermostat might be necessary.

The refrigerant is the substance that your AC uses to remove heat and humidity from the air. If your system has a refrigerant leak, it won't cool effectively. Signs of a refrigerant leak include hissing noises, ice on the refrigerant lines, and higher than normal energy bills. Refrigerant issues are complex and require a certified technician to repair.

The condenser coils, usually located outside, release the heat removed from your home. If they are dirty or obstructed by debris, they won't work efficiently. Cleaning around the condenser unit and removing any obstructions can improve performance. However, if the coils themselves are dirty, you might need a professional to clean them properly.

The compressor is the heart of your AC system, circulating the refrigerant necessary for heat exchange. If the compressor is not working, your AC will run but not cool your home. Compressor issues are serious and usually require a professional to diagnose and repair.

Regular maintenance is crucial for keeping your AC running efficiently. Neglect can lead to various issues, including those mentioned above. Annual check-ups by a professional can keep your system in top condition and prevent unexpected breakdowns.

If your AC unit is too small for the space it's intended to cool, it might run continuously without achieving the desired temperature. Conversely, an overly large unit will cycle on and off too quickly to effectively remove humidity from the air, leaving the space feeling uncomfortable. Ensuring your AC unit is correctly sized for your space is critical.