Originally Posted by
alloy2
Most of us are aware even after an AC unit has been evacuated some freon still remains with the compressor oil,
I remember reading a freonjoe thread where he said after the refrigerant is recovered, some gas can be trapped under the oil in the compressor. If you hit the compressor with a hammer a few times you can hear a hiss of the freon trapped under the oil escaping from the compressor.
I even had drained units from condensers the hvac shop recovered and when i set them down, just from the weight of those things hitting the garage floor released the trapped refrigerant. Its not much but still dont want to breath that ****
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