R434A:
Composition: HFC with no ozone depletion (ODP 0).
Global Warming Potential (GWP): Nearly double that of R22.
Benefits: Suitable drop-in replacement for R22, safety classification A1 (low flammability, low toxicity).
Consideration: Requires expansion device adjustments when retrofitting.
R407C:
ODP: 0, no ozone depletion.
GWP: Over 1600, similar to R410A.
Safety: Classified as A1 (low flammability, low toxicity).
Future Outlook: Unlikely to be a long-term solution due to its high GWP.
MO99:
ODP: 0.
GWP: Over 2000.
Benefits: Compatible with all lubricant types (including mineral oil used in R22 systems), safety classification A1.
Future Outlook: While these refrigerants remain relevant due to the continued use of R22 systems, more environmentally friendly alternatives are expected in the future.
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