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Originally Posted by BillGrissom
I wouldn't switch to R-134A since being outlawed.
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Only for use in newly built equipment, the actual production of 134 will be unaffected. The "newly built equipment" apparently only includes light duty vehicles. 134 is used in stationary systems and there isn't any mention of a ban there.
https://refrigeranthq.com/does-r-134a-have-a-phase-out-date/
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As of the year 2020, or 2021 model year, light duty vehicle manufacturers will no longer be able to use R-134a in their new automobiles. The mandate does not say what they have to use instead but there are very little choices to choose from. Most manufacturers will end up going with the HFO refrigerant known as 1234YF. This new refrigerant runs very high in price at about $700 per ten pound cylinder compared to the $120 for a thirty pound cylinder of 134a.
So, to answer your question the phase out date for R-134a is set for 2020. However, with that being said there is one important thing to point out. Unlike with the CFCs and HCFCs phase-outs of the past the R-134a phase-out is not seeing a mandatory reduction in imports or production. What this means is that supply of R-134a should more or less remain the same but the demand is going to start shrinking and shrinking with each passing year. When we go above and beyond the year 2020 I could see the price of R-134a plummeting.
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