When temperatures rise in Alton, IL, the last thing you want is an air conditioner that fails to blow cold air. If your AC is running but not cooling your home, several common issues could be the culprit. Understanding these problems can help you troubleshoot and determine whether you need a simple fix or professional repair.
Dirty Air Filter
One of the most frequent causes of AC issues is having a dirty air filter. Over time, dust and debris accumulate, restricting airflow and making it difficult for the system to cool your home efficiently. A clogged filter forces the AC to work harder, leading to poor cooling performance and potential system damage. Solution: Check and replace your air filter every 1-3 months, especially during peak cooling seasons.
Low Refrigerant Levels
Refrigerant is essential for the cooling process, absorbing heat from your Alton, IL home and releasing it outside. If your AC has a refrigerant leak, it won’t be able to cool effectively. Signs of a leak include weak airflow, warm air blowing from vents, and ice forming on the refrigerant lines. Solution: If you suspect a refrigerant issue, contact an HVAC professional to inspect and recharge your system.
Dirty or Blocked Condenser Coils
The outdoor unit of your AC houses the condenser coils, which release heat from the system. If the coils become covered in dirt, leaves, or other debris, they cannot dissipate heat properly, leading to poor cooling. Solution: Clean the condenser coils by removing debris and hosing them down carefully. For deep cleaning, a professional technician may be needed.
Thermostat Issues
A faulty thermostat may hinder your AC from effectively cooling your home. If the thermostat is set incorrectly, has dead batteries, or is faulty, it might not signal the AC to cool properly. Solution: Check the thermostat settings, replace the batteries if needed, and ensure it is functioning correctly. If problems persist, consider replacing the thermostat.
Frozen Evaporator Coil
The evaporator coil absorbs heat from the air, allowing the AC to cool your home. If airflow is restricted or refrigerant levels are low, the coil can freeze, preventing cold air from circulating. Signs of a frozen coil include ice buildup on the indoor unit and weak airflow. Solution: Turn off the AC to let the coil thaw, check the air filter, and ensure proper airflow. If freezing continues, call a technician for further inspection.
Electrical Issues
Faulty wiring, tripped circuit breakers, or blown fuses can disrupt your AC’s ability to function. Electrical problems can prevent the compressor or fan from running, resulting in warm air. Solution: Check your home’s electrical panel for tripped breakers. If the problem persists, consult an HVAC technician for repairs.
Aging or Malfunctioning Compressor
The compressor is the heart of the AC system, responsible for circulating refrigerant and facilitating cooling. If it fails or becomes inefficient due to age or mechanical problems, your AC won’t cool properly. Solution: If the compressor is the issue, replacement may be necessary, which typically requires professional service.
If you live in Alton, IL and are looking for a HVAC contractor to fix your air conditioning unit, call Dixon Heating & Conditioning today.