The answer to 'why is my AC high energy bills' is that your air conditioning system is using more electricity than it should, leading to higher utility costs. This can be caused by a variety of issues, including an old or inefficient system, poor insulation, air leaks, or problems with the compressor or other components.
Some common symptoms of high energy bills include the AC running constantly, uneven cooling throughout your home, and higher than normal temperatures even when the system is running. Solutions may involve upgrading to a more energy-efficient system, improving insulation and sealing air leaks, or having a professional technician diagnose and repair any issues with the existing equipment.