Appliance guides

Air conditioners troubleshooting

Get oriented when your air conditioner is not working right.

• AC Blowing Warm Air but the Outdoor Unit Is Running
• AC Frozen Coil or Ice on the Lines: What to Do Now
• AC Leaking Water Inside: Clogged Condensate Line
• AC Not Blowing Cold Air: 10 Checks Before You Call
• AC Repair Cost by Problem: Capacitor to Compressor
• AC Running Constantly but Not Cooling the House
• Bad AC Capacitor: Signs, Test and Replacement Cost
• Outdoor AC Unit Not Turning On: Breaker to Capacitor
• Thermostat Set to Cool but Nothing Happens
• Window AC Not Cooling: Filter, Coils and Settings