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Why Does My Air Conditioner Freeze During Hot Summer Months?

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Ice forming on an air conditioner during a blazing Texas summer may look unusual, but it is a common sign that the system is no longer operating correctly. A frozen unit is not delivering stronger cooling. In most cases, the evaporator coil has become too cold because of restricted airflow, low refrigerant pressure, poor drainage, or a failing component. The issue may develop slowly. At first, the air coming from the registers may feel weaker. The house may take longer to cool, some rooms may remain uncomfortable, and the AC may run almost continuously without reaching the thermostat setting. Frost may eventually appear on the copper refrigerant lines. Inside the air handler, the evaporator coil may also become covered by a thick layer of ice. Under normal operating conditions, the blower moves warm household air across the evaporator coil. Refrigerant inside the coil absorbs heat from that air, and the system distributes the cooled air through the ductwork. The coil depends on a stead...
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8 Warning Signs Your AC Compressor Is Failing

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An air conditioner can keep running even when its compressor is no longer performing correctly. You may still hear the system operating and feel air coming through the vents, but the house may not become any cooler. The compressor is the component that keeps refrigerant circulating. As refrigerant travels through the system, it absorbs heat indoors and carries it to the outdoor unit. When the compressor begins losing strength, this heat-transfer process becomes less effective. The change may happen slowly. Cooling cycles can become longer, indoor temperatures may feel uneven, and the air coming from the vents may feel warmer than usual. Other warning signs include unfamiliar outdoor-unit noises, strong vibration, repeated breaker trips, refrigerant leaks, or rising electricity bills. Because the compressor is a costly and essential AC component, these symptoms should be investigated early. However, they do not automatically prove that the compressor has failed. Problems involving a cap...
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