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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. 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 …

  3. R22 replacement - techtown

    Feb 7, 2021 · You’d be surprised, it’s still sold pretty much everywhere. just got really expensive recently. My main concern is the POE and MO currently used in various R22 systems.

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  6. 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 …

  7. R22 Archives - techtown

    Oct 14, 2019 · Tag: R22 Strategies to dispose of old commercial refrigerators and freezers Commercial owners of refrigeration equipment have three options for disposing unused units.

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  9. 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.

  10. Use the formula below to calculate the change in charge level from R12 to R134a refrigerant.