It is a Texas summer afternoon, the house is heating up, and the air conditioner will not turn on. Before you spend money on an emergency visit, there are a few safe things you can check yourself. Some AC failures are electrical, some are mechanical, and knowing the difference helps you call the right person the first time.
Safe checks to try first
Work through these in order. None of them require opening up equipment:
- Thermostat: make sure it is set to cool and a few degrees below room temperature. Replace the batteries if the screen is dim or blank.
- Air handler switch: the indoor unit, often in a closet or attic, has a switch that looks like a light switch nearby. Confirm it is on.
- Furnace or air-handler door: many systems will not run if the access panel is not fully seated. Push it closed.
- Breakers: check the panel for a tripped AC breaker. Reset it one time only by pushing it fully off, then on.
- Outdoor disconnect: the box near the condenser may have a pull-out block. Make sure it is fully seated.
- Air filter: a badly clogged filter can cause the system to shut down. Replace it if it is dirty.
- Condensate float switch: if the drain is clogged, a safety switch can cut the system off. A full drain pan is a clue.
If the AC breaker trips, reset it a single time. If it trips again right away, stop. A breaker that keeps tripping is doing its job and warning you of a real fault. Do not keep forcing it back on.
Electrical problem or AC problem?
This is where calling the right pro saves time and money. Drawing the line honestly:
An electrician handles
- The breaker, circuit, and wiring that feed the system
- The outdoor disconnect and whip to the condenser
- Scorched, loose, or melted wiring and connections
- A circuit that has no power when it should
An HVAC technician handles
- The capacitor, contactor, and compressor
- Refrigerant levels and leaks
- The blower motor and internal controls
- Low cooling performance when the system does run
Scorched or melted wiring at the disconnect or panel, a burning smell, a breaker that re-trips immediately, or visible arcing. These point to an electrical fault that needs a licensed electrician, not another reset.
Where Stormy Electric fits in
We handle the electrical side of your cooling system: the breaker, the circuit, the disconnect, and the wiring that powers the equipment. If we trace the problem to a failed capacitor, a bad contactor, or low refrigerant, we will tell you honestly that it is an HVAC repair so you are not paying us to diagnose the wrong trade. A lot of summer no-cooling calls turn out to be a tripped breaker, a clogged condensate switch, or a loose connection at the disconnect, and those are squarely in our lane.
Common questions
Why does my AC breaker keep tripping?
A breaker that trips repeatedly is signaling a real fault, often a short, a ground fault, a failing component pulling too much current, or a worn breaker. Reset it once, and if it trips again, leave it off and call. Repeatedly forcing it back risks overheating.
Is my AC not cooling an electrical problem?
Not always. If the system runs but does not cool well, that usually points to refrigerant or a mechanical part, which is HVAC work. If the system gets no power at all, that is more likely electrical. We can check the electrical side and tell you which trade you need.
Can you install a disconnect or dedicated circuit for a new AC unit?
Yes. Sizing and installing the breaker, dedicated circuit, and outdoor disconnect for a new or replacement system is exactly the kind of electrical work we do, and we coordinate with your HVAC installer.
It is always free to ask. Call or text Stormy Electric at (214) 756-7246 and we will point you in the right direction, even if it turns out you do not need us.