Quote:
Originally Posted by Normal
Yes, remember in the mid 80s the old practice for repair was to vent all the Freon to the air, fix, vacuum and refill. Reclamation receiver equipment wasn’t/still isn’t cheap and loss of Freon was the original symptom to malfunctioning ACs. This made it less and less of a possibility to even repair systems. R 11 Chillers are a whole different story.
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I could be wrong, but I think it may now be illegal to vent the refrigerant to the air, and HVAC companies need to account for the refrigerant they remove from old systems.