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Air Conditioning Guide: Causes Of AC Short Cycling

Monday, September 10th, 2012 at 8:00 am

Especially if you live in a very warm climate, you know how important it is to maintain your Rockledge air conditioning system to keep it working properly. So if your AC turns on and off repeatedly in short period of time, you should suspect that it is not functioning effectively.

This is also called as AC short-cycling. It is a problem because it makes your indoor environment less comfortable, and also because it makes the components of the AC wear out faster. If you notice the symptoms of AC short-cycling in your home, you need to call a Rockledge air conditioning professional to test your AC unit immediately.

Here are some of the causes of an AC short-cycling that need quick fixes.

  • AC Refrigerant Leaks: A refrigerant leak within the AC unit might be a cause for short-cycling. You need to contact an HVAC professional in order to find and repair the leak properly and make sure that the problem does not recur.
  • Ice on the AC Coils: This can happen when the cooling or evaporator coil has been coated with the ice or frost. To correct this, the unit should be completely turned off in order to let the ice melt. Testing and replacing the dirty filters is also recommended to keep the problem from coming back.
  •  Oversized AC System: If your AC system is too big for your home, it may result in a short-cycling problem as well. Bigger does not mean better performance in all cases. If your AC is too big, it will create uneven cooling, irregular dehumidification and also short-cycling. In order to avoid this type of problem, you have to call a professional to calculate the total cooling load in your home and ensure that you are getting the right system for your needs from the beginning.
  • Problems in the AC Control Board: This will create inconsistent starts and stops in cooling cycles, especially if the control board or switch of your AC system is damaged. If that’s the case, you have to contact an AC technician to replace the broken control board or switch.

Your AC may be functioning, even if it is also short-cycling. But it is not effective and efficient. So call Next Generation Air & Heat Inc. immediately to take steps to correct this type of problem.


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