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Cooling Coil or Evaporator Coil Diagnosis & Repair for Air Conditioners

Inside the air handler of your air conditioning system is a cooling coil or evaporator coil. From a home cooling perspective, this is where the magic happens: where the actual cooling occurs. So, if there is a problem with the cooling or evaporator coil, you will notice a decrease in the performance of your AC system.

You may notice that the air flow has slowed significantly or even stopped, even though you can hear the air handler running. You may also notice that the air isn’t as cool as it used to be or should be. Aside from having a house that is not cool enough, this can also cause problems like high electricity bills or damage to other parts of the air conditioner. Use this quick guide to start diagnosing and repairing the problem.

 Diagnosis

For starters, just try to get a good look at the cooling coil. Some problems are obvious enough upon visual inspection that no further diagnostics or major repair is necessary. To inspect the cooling coil on your air conditioner, first turn off the electricity at your fuse panel or breaker box Then, locate the access panel on the air handler that can be removed to at least partially expose the coil. Refer to the manufacturer’s instructions for help.

Once you are able to see the cooling coil, look for things like:

  • Dirt and debris
  • Mold
  • Staining that indicates a refrigerant leak
  • Ice or frost
  • Damaged fins on the coil

 Repair

Any of these could be the culprit that is degrading the performance of your AC system. Some of these you can take care of pretty simply on your own – if there is obvious debris that you can remove safely, do so – but for most repairs you will want to call in a licensed Atlanta AC technician. Especially if the problem is something potentially hazardous like mold growth or a refrigerant leak, you don’t want to take the risk. Let a professional who is trained in safely and effectively repairing the problem take care of it, so that your home can be comfortable again. Call Cool Air Mechanical today if you nee any air conditioning repair in the Metro Atlanta area!

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