Common Air Conditioner Problems – What You Can Fix and When To Call A Pro

Air conditioning is truly a modern marvel. It provides our families with comfort when the temperatures rise during the summer. For most of us, we don’t even think about the complex system at work that allows an air conditioner to perform it’s magic. However, there comes a time in every homeowner’s life when the magic stops happening, and its usually during the hottest, most inconvenient times. The good news is that not every air conditioner problem requires the expense of calling a professional HVAC Technician. With a little guidance and motivation, most homeowners can resolve some common air conditioner malfunctions and have their unit up and running again. Not only will you save some money, you will be a hero to your family. On the other hand, there are repairs that require the training and knowledge of skilled professional. Never should you sacrifice your personal safety, or the safety of your family, because you are stubborn and cheap. In this article we will discuss some common repairs and solutions that you can perform on your air conditioning system, as well as the ones that are best left to the professionals.

Your Air Conditioner Doesn’t Turn On

It’s hot outside, you flip on the on the air conditioner, and nothing happens. No cold air is coming from the vents and the condenser is not powering on.


Many times people don’t look at the temperature on the thermostat and begin to panic when the house doesn’t begin to cool immediately. The solution is simple, turn the thermostat down about 5 degrees. If this is the problem, the condenser will kick on and the cooling cycle will begin. If this does not fix your problem, it’s time to move on to the circuit breaker.

Circuit Breaker

Central air conditioning systems consume large amounts of power, and can trip the circuit breaker, preventing the system from operating. This is especially true in older homes. If adjusting the thermostat hasn’t solved your problem, go outside to the condenser 冷氣機評價 unit and locate the circuit breaker box next to it. Open the door, and check the breaker. If the circuit has been tripped, reset it. Next, go to the home’s circuit breaker and make sure that none of the circuits are broken. Once all breakers have been reset, return to the thermostat and turn on the cooling cycle again. If this hasn’t solved your problem, it may be time to call a professional.

If your air conditioner doesn’t turn on after you tried the above solutions, your problem may be more serious. A broken compressor or motor, also can stop your AC from working and will need to be serviced by a certified HVAC technician.

Your Air Conditioner Doesn’t Cool

You’ve decided to turn on your air conditioner, the system kicks on, but doesn’t seem to be cooling your home.


Once again it is best to begin in the most obvious place. Adjust the thermostat by lowering the temperature at least five degrees. Let the system register the change, and give it an hour before you check the temperature of the home. If it has gotten cooler, then that is your problem, if it hasn’t, you may try to clean the evaporator coil.

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