When your air conditioner isn’t cooling as expected, it can be frustrating, especially on hot days when reliable AC is essential for comfort. Fortunately, there are a few common reasons why your AC might not be cooling and simple steps you can take to troubleshoot and potentially fix the issue. Here’s a guide to help you understand the possible causes and solutions.
The first step is to check your thermostat. Sometimes, settings can be accidentally changed, especially if there are multiple users or if it was recently adjusted. Make sure it’s set to “cool” rather than “heat” or “fan” and that the temperature is set lower than the current room temperature. If the thermostat is set correctly but isn’t working, replacing the batteries might solve the issue.
A dirty air filter is one of the most common reasons for an under performing AC. Filters trap dust, dirt, and particles to keep indoor air clean, but when they become clogged, airflow is restricted, reducing the cooling efficiency of the system. Clogged filters can even cause your system to freeze up. Check the air filter, and if it’s dirty, replace or clean it according to the manufacturer’s instructions. Most filters need replacement every 1-3 months for optimal performance.
Blocked or closed vents restrict airflow and can make certain areas of your home feel warmer than others. Walk around your home and ensure that all vents are open and unobstructed by furniture, curtains, or other objects. Restricted airflow can strain your system and reduce cooling efficiency. By keeping vents clear, you’ll improve the system’s ability to circulate cool air evenly.
If the air conditioner isn’t turning on at all, there may be a power issue. Check your electrical panel to see if a breaker has tripped, as AC units draw a significant amount of electricity and may occasionally overload the circuit. If the breaker has tripped, reset it and monitor the system to see if it trips again. If it does, there may be an electrical issue, and you should consult a professional technician.
Your air conditioner’s outdoor unit is essential for the cooling process, but it can become clogged with dirt, leaves, or other debris. When the outdoor condenser coil is blocked, it can’t release heat effectively, which diminishes the cooling capacity of the unit. Turn off the power to your AC system, and carefully clean the debris from around the condenser unit. You can also rinse it gently with a hose, but avoid using high pressure, as this can damage the fins.
Refrigerant is the substance that absorbs and releases heat, enabling the cooling process. If your AC is low on refrigerant, it won’t cool properly. Low refrigerant levels usually indicate a leak, as the refrigerant doesn’t get used up over time. Signs of low refrigerant include warm air blowing from the vents, ice build-up on the refrigerant lines, and hissing or bubbling noises. If you suspect a refrigerant issue, contact a licensed technician to assess and address the problem.
If you notice ice or frost on your indoor evaporator coil, it may indicate poor airflow, a dirty filter, or low refrigerant. When the coil freezes, it limits the cooling power of your system, and the AC may eventually shut off. If you see ice build-up, turn off your system and allow it to defrost before cleaning the air filter or checking airflow. If the problem persists, contact a professional for further diagnosis.
Strange sounds or odors from your AC unit can signal various issues. Rattling or grinding noises might indicate a problem with the motor or fan, while foul odors could suggest mold in the system or a burnt-out part. In these cases, it’s best to have a professional evaluate the system, as these issues can worsen if left unattended.
If your air conditioner is more than 10-15 years old, it might be nearing the end of its functional life. Older systems often struggle to maintain efficient cooling and are prone to frequent breakdowns. In such cases, you may want to consider investing in a new, energy-efficient unit. While upfront costs can be significant, the savings in energy costs and reduced need for repairs make it a worthwhile investment over time.
When your air conditioner isn’t cooling, it can be stressful, especially in peak summer months. By following these steps, you can troubleshoot common issues and, in many cases, restore your AC’s cooling performance. However, some problems, like low refrigerant or motor issues, require professional help.
For expert support with your air conditioning needs, from repairs and maintenance to system upgrades, contact Core-Power Limited. Our skilled technicians can diagnose and resolve complex AC issues, ensuring your home stays cool and comfortable all season long. Don’t wait until it’s too hot to act—reach out to Core-Power Limited today!
Phone no: (234) 9090000998 (Appointments)