I don’t know what type of metering your unit has, TXV or Piston; but it does not make any difference if ½ the A coil is freezing you most likely have plugged distribution tubes in the A coil. Any unit that is freezing over is without a doubt slugging liquid back to the compressor and that compressor is going to die sooner rather than later.
It would be absolute suicide to reuse the old A coil as it is, and only replace the compressor.
If you do not replace the entire unit make sure your HVAC guy knows how to clean up the system.
Make sure your guy knows how to check superheat, subcooling and airflow and is capable of making sure the system is performing to rated capacity before they leave the job.
If the last guy charged you $750 under warrantee and left it with debris plugging up the A coil he obviously never did the required clean up and startup proceecures and would appear to be either unqualified, unethical or both.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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