Common AC problems in Dallas Published on January 30, 2015 Although there may be hundreds of factors why your Dallas home’s central air conditioner may need to be looked at by a certified contractor, there are several reasons that are most common. Knowing what they are may create some personal understanding what a technician means when they discuss the options for resolving the problem. Here are the top five problems that may cause your AC unit to fail. Check out the list below and consider whether your home has any of these issues. If so, schedule an HVAC inspection. Wrong wiring Improper, haphazard or uncertified A/C wiring is dangerous and a possible fire hazard. Bad wiring can prevent the system from getting power or can short the circuit breaker. Leaking refrigerant Refrigerant (typically referred to as Freon) is the chemical that cools the air within your air conditioning system. Low refrigerant may imply a leak or problem with the refrigerant system. If your air conditioning system needs to be recharged with refrigerant, typically that insinuates there is a leak. All refrigerant leaks should be found and repaired. For news about the phase out of R-22 refrigerant in the United States, we encourage you to visit the U.S. EPA website. Outside fan is not working The fan on your outside AC unit is responsible for conveying the heat from your Dallas home to the outside air. If the fan on the outside unit doesn’t perform correctly, proper heat transfer does not occur and the air conditioning compressor may overheat and trip the safety overload. Worse yet, it may cause internal damage to the compressor. Outside unit not functional This usually indicates a loss of power, contactor problems or even a faulty thermostat. Frozen coil A frozen coil often indicates a problem with the airflow, such as restrictions caused by dirty air filters or blocked return air ductwork. Frozen indoor coils could also be caused by low refrigerant. Best practices suggest that the number one way for a Dallas area homeowner to prevent these simple problems is by participating in a preventive maintenance program. Bad wiring, low refrigerant and airflow problems can be found during routine maintenance tune-ups. For all these common issues, a professionally qualified, NATE-certified technician can efficiently diagnose the problem area and make the necessary repairs. Call or contact us today for an evaluation! Back To Blog