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  1. What is R22 Refrigerant?: Phase Out, Alternatives & More

    What is R22 Refrigerant? R22 refrigerant is a colorless gas known chemically as hydrochlorofluorocarbon 22 (HCFC-22) and is one of several refrigerants that goes by the brand …

  2. R22 replacement - techtown

    Feb 7, 2021 · R22 replacement Having gone through the R12 and R502 changes of the 90’s, I can relate to this. Plan on doing 4 oil changes in the equipment while it is still running. From MO to AB. …

  3. U.S. Refrigerant Phase Out Chart & Info - techtown

    Jan 1, 2020 · HCFC refrigerants are being phased out from use. This refrigerant phase out chart outlines what's already been halted and what's scheduled in the coming years.

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  5. Alternatives to R-22 Refrigerants - techtown

    There are some differences, however. When replacing an R-22 system with R-422B, only charge the system to 95 percent of the R22 level. The refrigerant charge may need to be adjusted to deliver its …

  6. R32 vs R290 vs R134a vs R12 Refrigerant - techtown

    In this chart, we compare R32 vs R290 vs R134a vs R12 refrigerant, so you have all the basic details when conducting research for repairs and retrofitting.

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    techtown - Ask a Question. Share Your Expertise. Earn Points.

  8. Refrigeration 101: Different Refrigerant Types - techtown

    The four different refrigeration types are essential for refrigeration systems. There is also a refrigerant chart with boiling points and more.

  9. R290 - techtown

    Feb 10, 2021 · However, beings that there was SO RECENTLY an opportunity for any consumer or a cheap/nefarious HVAC tech to dump something called R22A (propane) into a system in order to …

  10. R-290 PROPANE - techtown

    Mar 13, 2017 · So from what I read it’s comparable to R22. Here is True posting a video on YouTube: True’s R-290 Refrigerant Recovery System – YouTube -Joe