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Air Conditioner Won’t Turn On? Here Are a Few Things To Check

closeup of a hand pressing a modern thermostat

At ABC Southwest, we are your trusted HVAC experts serving the Manatee, Sarasota, and Charlotte County areas. We understand how frustrating it can be when your air conditioner won’t turn on, especially during hot summer days. That’s why we are here to help!

We want you to be comfortable in your home. To help you, we’ve outlined some common reasons why your AC won’t turn on and what you can do to fix it.

Want to leave the AC repairs to skilled professionals? Call us at 941-225-2182 for prompt and efficient solutions!

Why Won’t My AC Turn On?

Unfortunately, there can be several reasons why your air conditioner won’t turn on. Narrowing down why your AC is malfunctioning takes deliberate and careful problem-solving. There are a few common issues to check for.


The thermostat is the control center of your AC system. Make sure it’s turned on and set to cool mode. Check the temperature setting and ensure it’s low enough to trigger the AC to turn on. If the thermostat has a battery-powered display, ensure the batteries are not dead and must be replaced.

External Safety Switch

Many AC systems have an external safety switch, also known as a disconnect switch, located near the outdoor unit. It is usually a small box with a lever or a button that needs to be in the “on” position for the AC to operate. Check the position of the switch and make sure it’s turned on.

Mature man taking out a dirty air filter from a home ceiling air return vent. Male removing a dirty air filter with both hands in a house from a HVAC ceiling air vent.

Circuit Breaker

Your AC system is connected to a dedicated circuit breaker in your electrical panel. Check the circuit breaker and make sure the switch that controls the HVAC is turned on. If it has tripped, reset it and see if the AC turns on. If the breaker trips again, it may indicate an electrical issue that requires professional attention.

Air Filter

A clogged air filter can restrict airflow and cause your AC system to shut off as a safety feature. Check your air filter and make sure it’s clean and not clogged. If it is dirty, replace it with a new one or clean it if it’s a reusable filter.

Why Choose ABC Southwest for AC Services?

For reliable AC services in the Manatee, Sarasota, and Charlotte County areas, ABC Southwest stands out for our expertise, prompt service, reliable solutions, and customer satisfaction.

We have years of experience, and our skilled technicians have the knowledge and expertise to diagnose and fix AC problems accurately and efficiently. We understand the importance of a functioning AC system, especially during hot summers. That’s why we strive to provide prompt and timely services to get your AC up and running as quickly as possible. Our goal is to exceed your expectations by providing exceptional customer service.

If your AC is not turning on or needs professional AC services, trust the experts at ABC Southwest. Call us at 941-225-2182 today to schedule an appointment or request an estimate!

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