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Universally certified. Installed residential 17 y, U of I chilled water 20 y.
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Discussion Starter · #1 ·
I imagine most of you already know 410A will be phased out starting in 2023, and sounds like there are a few refrigerants poised to take over.. r32, r454b r290

So which one will be king, considering my personal r22 split system's compressor just went to ground right after I bought some r22? And are residential condensing units charged with this refrigerant available now? Or am I stuck in the middle of this transition period?

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