AC Won't Turn On in Columbia, SC

Nothing happens when the thermostat calls for cooling - no hum, no fan, no click from the outdoor unit.

What usually causes this

A tripped breaker or blown fuse at the disconnect box next to the outdoor unit
A dead thermostat battery or a thermostat that's lost power
A tripped float switch from a clogged condensate drain - a safety feature, not a fault on its own
A failed capacitor or contactor in the outdoor unit

What to do before someone arrives

Check the breaker panel and the pull-out disconnect by the outdoor unit
Replace the thermostat batteries if it uses them
Look at the air handler for a small red reset button - if it's tripped, the drain is likely clogged

Questions people ask

I reset the breaker and it tripped again immediately. What now?

Stop resetting it. A breaker that trips again right away is doing its job protecting the circuit from a short or a failing component. Repeated resets can damage the equipment further.

Send us the details

We pass them straight to a licensed local HVAC contractor who handles ac repair. There is no cost to you.

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What is the system doing?Symptoms, when it started, and the system type if you know it. The more detail, the shorter the visit.

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Also see: AC Repair in Columbia, SC

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