AC Blowing Warm Air
Your air conditioner is blowing air that's warm or not as cold as it should be
Signs You Have This Problem
What Causes This Problem
What You Can Check First
Before calling for service, try these simple troubleshooting steps:
Check thermostat settings - should be on 'cool' not 'heat'
Make sure fan setting is 'auto' not 'on' (fan 'on' can blow uncontitioned air)
Replace air filter if dirty
Check outdoor unit is running when AC is on
When to Call a Professional
If the outdoor unit isn't running, there's ice on the lines, or basic checks don't help, call a professional. These issues require proper diagnosis.
AC Blowing Warm Air FAQs
Related Problems
Air Conditioner Not Cooling
Your AC is running but not producing cold air or not cooling your home adequately
Frozen Air Conditioner Coils
Ice has formed on your AC's evaporator coils or refrigerant lines
AC Short Cycling
Your air conditioner turns on and off frequently without completing a full cooling cycle
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