Why My Inside AC Unit Is Not Turning On

November 28, 2018

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    Most of us rely on our air conditioning nowadays and don’t know what we would do without it. Now imagine your AC malfunctioning and leaving you high and dry in times of need. It can be disconcerting to say the least but that doesn’t necessarily mean it’s time to panic. Before calling air conditioner repair Mesa services, you can try and find out the reason behind your inside AC unit not turning on yourself. These are some of the most common ones.

    Power switch

    Air conditioning has been around for a long time, in various forms and with diverse applications. Despite the decades of development, it still needs a power source to work. This might seem too obvious but it doesn’t hurt to check the switches which control it and switch them on. They can be located close to your indoor HVAC unit or in a metal box near the outside condenser. This simple reset could take care of your problem.


    The thermostat is used to control the entire home AC system and a problem with it can prevent the air conditioning from ever starting. First check if it’s set to ‘cool’ or if maybe the batteries are empty. If it’s still not working properly after changing the settings, it is time to get a new one.

    Inside AC unit not turning on: the circuit breaker could be at fault

    Circuit breakers are designed to trip in case there is a great power surge to prevent a fire from breaking out in your house. This can happen due to too many electrical appliances being active at the same time or because of a storm. When it does happen, your AC will have no power to run.

    Air filter clog

    Every time you use your AC unit, the air filters inside it are containing various types of contaminants from spreading through the household. If not cleaned regularly, they will become completely clogged and prevent the AC from operating effectively or at all. Proper air flow is important and the lack of it might be the reason behind your inside AC unit not turning on.

    Dirty condenser

    Dirt can not only get inside your air filters, but also the condenser lines. They are part of an outside unit which can be affected by myriad airborne particles or mold and algae. If this happens, they need to be deeply cleaned to restore air circulation, which is best left to professionals.

    Refrigerant leak

    The AC system needs refrigerant to be able to cool down any room. It doesn’t need to be refilled, but there are cases when a leak can happen. Such occurrences will not only cause AC malfunctions but may also pose a health hazard so you need to call HVAC professionals immediately.

    Inside AC unit not turning on? You’re safe with Hughes Air!

    When faced with AC problems you will most likely need professional help and who better to call than Hughes Air? Not only do we know all the ins and outs of HVAC systems, but we also go above and beyond to keep them fully operational all year round. Leak remediation, thermostat change, regular part maintenance, you name it – we provide it! We are always prepared for an intervention so all you need to do is contact us!