AC running but not cooling
Tell the service professional whether airflow feels normal, whether the air is warm or only slightly cool, and whether the indoor temperature changes at all while the system runs.
Air conditioning service
AC Repair
Air-conditioning problems are often easier to describe by symptom than by component. A system may run without cooling, blow warm air, freeze, leak water, cycle repeatedly, make unusual noise, or fail to start at all. Those details help narrow the service category without guessing at the repair.
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Need help with ac repair?
This page covers common AC repair situations for central air and related cooling systems. It is designed to help you prepare a useful service request, not to replace an on-site diagnosis.
Common symptoms
Signs that may lead to a ac repair request
Describe what you can see, hear, smell, or feel at the property. A clear symptom is more useful than guessing which part has failed.
Warm air from vents
Warm air may involve thermostat settings, outdoor-unit operation, refrigeration issues, airflow problems, or other system faults. Note whether the outdoor unit is running.
Weak or uneven airflow
Low airflow can involve filters, ducts, blower components, coils, or system design. Mention rooms that are consistently warmer and whether airflow recently changed.
Frozen coil or ice on refrigerant lines
Ice can be associated with airflow or refrigeration problems. Continuing to run a frozen system can worsen the condition; allow a professional to determine why it froze.
Water around the indoor unit
Condensate drain blockages, frozen coils, pans, pumps, or installation issues can lead to water leakage. Protect nearby finishes from damage and avoid electrical components.
AC will not start or keeps shutting off
Controls, power, capacitors, contactors, motors, thermostat issues, or protective devices can stop the cooling cycle. Repeatedly resetting the system is not a diagnosis.
What may be involved
Common service categories a professional may evaluate
Similar symptoms can have different causes. These are broad categories to help you understand what may be inspected, not a remote diagnosis.
Airflow problems
Restricted filters, dirty coils, duct problems, closed registers, and blower issues can reduce cooling and may contribute to icing.
Electrical and control components
Capacitors, contactors, motors, controls, wiring, and thermostat signals are common areas a technician may evaluate when equipment will not start or stay running.
Refrigeration-system issues
Refrigerant leaks, metering problems, coil conditions, and compressor issues can affect cooling. Refrigerant work should be handled by appropriately qualified professionals.
Drainage and condensate problems
Cooling systems remove moisture from indoor air. Drain restrictions, pumps, pans, and frozen coils can cause water to appear around the equipment.
What to expect
A practical service-request process
Confirm the cooling complaint
Describe indoor temperature, thermostat setting, airflow, whether the outdoor unit runs, and when the issue began.
Inspect the system
A professional may check airflow, coils, drainage, electrical components, thermostat operation, refrigeration performance, and equipment condition as appropriate.
Review repair options
Ask what failed, what caused the failure if known, what the repair includes, and whether maintenance or replacement should be considered for aging equipment.
Before you call
Helpful details to have ready
You do not need to diagnose the problem yourself. These details can help the first conversation focus on the right service category and level of urgency.
Thermostat setting Indoor temperature Whether the outdoor unit runs Airflow strength Any ice or water Any unusual sound, smell, or error message
Safety first
Know when routine service is not enough.
Turn the equipment off and seek appropriate help if you see smoke or sparking, smell burning, or notice an electrical hazard. For water leakage, keep water away from electrical equipment and protect the surrounding area if it is safe to do so.
Do not bypass safety controls, work on energized equipment, or enter a hazardous area to investigate a home-service problem.
Popular service areas
AC Repair service-area information
Browse currently available Quick Home Services locations for local service information and the dedicated phone line for your service request.
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AC Repair FAQ
Why is my AC running but not cooling?
Possible causes include airflow restrictions, dirty or frozen coils, thermostat or control issues, refrigeration problems, outdoor-unit faults, or other equipment conditions. A service inspection is needed to identify the actual cause.
Can I call for emergency AC repair?
Yes. The HVAC line is answered 24/7. Explain the cooling problem and any safety or extreme-heat concern, then ask about current service availability.
Should I run my AC if the coil is frozen?
Continuing to run a frozen cooling system can make the problem worse. Turn cooling off and arrange an inspection rather than trying to force the system to operate.
Do you cover central AC and ductless systems?
The HVAC line can be used for central AC, mini-split, ductless, heat-pump, and related cooling service requests where service is available.
Call about ac repair
Call HVAC 24/7Ready to discuss the service problem?
Call the dedicated HVAC line, describe the symptoms, and ask about current availability in your area.