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The federal SNAP restrictions regarding HFC's no longer apply; however, state regulations may still exist. Please refer to the Refrigerant Regulatory Updates Page for state specific information.
This is a good choice for customers who want to switch to a non-ozone-depleting refrigerant, but do not want to change oil.
This is a better choice than other refrigerants for customers who want to change to a non-ozone-depleting refrigerant, or who are replacing the compressor.
This is the best choice for a well-maintained unit which will continue to function for many years.