Common AC Issues: Blowing Warm Air

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One of the most frustrating problems a homeowner can experience during a hot Delaware summer is an air conditioner that blows warm air. There are several possible causes for this issue, and some you may be able to address yourself before calling a technician.

Common Causes of Warm Air from Your AC

  • Incorrect thermostat setting: Check that the thermostat is set to “cool” and the temperature is set below room temperature
  • Dirty air filter: A clogged filter restricts airflow and can cause the system to overheat
  • Low refrigerant: If your system is low on refrigerant, it can’t properly absorb heat from your home
  • Frozen evaporator coil: Ice buildup on the coil prevents proper heat exchange
  • Compressor failure: A faulty compressor can’t pump refrigerant properly
  • Dirty condenser coils: Outdoor unit debris buildup reduces efficiency

If basic troubleshooting doesn’t resolve the issue, call True Blue Mechanical at (302) 729-8783 for professional AC repair in Newark, DE.

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