If you have older HVAC equipment that uses R-22 refrigerant (Freon), it is worth knowing that it is in the process of a worldwide phaseout.  As of January 1, 2020, R-22 will no longer be produced or imported due to its harmful effects on the ozone layer.  After 2020, only recovered, recycled or reclaimed R-22 will be available.  Taking a proactive approach to the situation going forward, there are basically three options:

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