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Re: R-1234yf Containers, Shelf Life, Disposal, and More!
Posted to HVAC Forum on 5/19/2019

Hello Alain:

The people I have talked to over the years think we will eventually wind up with systems running R744.

Careful what you wish for - Air (78% N2, 21% O2, 1% other) is assigned the refridgerant number R729!

Some interesting reading here: [...]... Login to read more.