Recognizing early warning signs of AC issues can prevent expensive breakdowns. If your system is producing strange noises such as grinding, rattling, or hissing, it may indicate mechanical failure or refrigerant leaks. Weak airflow could mean clogged ducts or a failing compressor. Uneven cooling suggests duct leaks or thermostat malfunctions. A sudden spike in energy bills might be a result of an inefficient system struggling to maintain temperature. If the AC is constantly running but not cooling effectively, a deeper issue may be at play. Addressing these signs early through professional servicing helps avoid complete system failure and costly emergency repairs.