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AC problems • Troubleshooting guides

What’s Wrong With Your AC?

You don’t need to know the technical name of the problem. Pick the symptom that matches what you’re seeing, hearing or feeling, and the guide explains the likely causes, the checks that are safe to do, and when to call.

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Or dial (213) 214-0220 — available 24/7.

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Pick the symptom

AC isn’t cooling The system runs, but the air from the vents isn’t cold or the house never reaches the set temperature. See possible causes AC won’t turn on Nothing happens at the thermostat, or the outdoor unit stays silent when it should start. See possible causes AC is leaking water Water around the indoor unit, a wet ceiling or drips from the drain line. See possible causes AC is freezing up Ice on the copper lines or indoor coil, often with weak or warm airflow. See possible causes AC keeps turning on and off Short bursts of running that stop before the house cools down. See possible causes AC is making noise Buzzing, rattling, squealing or grinding from the indoor or outdoor unit. See possible causes Airflow is weak Cool air, but barely any of it reaches the rooms. See possible causes AC smells strange Musty, sour or burning smells when the system runs. See possible causes Breaker keeps tripping The AC breaker trips when the system starts, or shortly after. See possible causes Thermostat isn’t working Blank screen, wrong readings or settings the system ignores. See possible causes Not sure what’s wrong? Tell us what you’re seeing, hearing or feeling. We’ll take it from there. Call (213) 214-0220

Before you troubleshoot anything

AC problems FAQ

Questions about AC symptoms

Which problems are urgent?

Anything with a burning smell, smoke, sparking or a breaker that trips repeatedly: switch the system off if it is safe and call. Loss of cooling during a heat wave is urgent for households with anyone sensitive to heat. Water leaking near electrical parts should also be dealt with promptly.

What can I safely check before calling?

The thermostat mode and set point, whether the filter is clogged, whether the outdoor unit is running, and whether anything is blocking the vents or the outdoor unit. Nothing that involves removing panels, touching wiring, or working near refrigerant lines.

My symptom isn’t listed. Can you still help?

Yes. The guides cover the most common calls, not every possible fault. Describe what you are noticing on the phone and the technician diagnoses it on site.

Does the symptom change the price?

The diagnostic visit fee depends on the time band of the visit, not on the symptom. The repair price depends on what the technician finds, and you hear it before any work starts.

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Still not sure? Tell us what it’s doing.

Describe the symptom and we’ll schedule a technician within 24 hours. You’ll know the price before any repair starts.

Call Now Contact us

Or dial (213) 214-0220 — available 24/7.

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