Description
Euro R‑22 is a hydrochlorofluorocarbon (HCFC) that was widely used in residential, commercial, and industrial HVAC systems. Known for its excellent cooling efficiency and compatibility with mineral oils, it is now being phased out globally due to its ozone-depleting potential.
Key Features:
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Good thermodynamic performance
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Moderate pressure refrigerant
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Widely used and well understood
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Compatible with mineral oil and alkylbenzene lubricants
Specifications:
| Property | Value |
|---|---|
| GWP | ~1,810 |
| ODP | 0.055 |
| Boiling Point | -40.8°C |
| Safety Class | A1 (non-toxic, non-flammable) |
| Lubricant | Mineral/AB oil |
Applications:
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Split air conditioners
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Window ACs
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Central HVAC units
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Medium & low-temperature commercial refrigeration
Usage:
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Still used in older systems but illegal in new systems in many countries
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Systems must be retrofitted before switching to R‑407C or R‑422D
FAQs:
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Can I still buy R‑22?
In many countries, only reclaimed or recycled R‑22 is legally available. -
What can I replace R‑22 with?
Alternatives include R‑407C, R‑422D, and R‑134a for various applications. -
Is it safe to use R‑22?
It’s non-toxic and non-flammable but damaging to the ozone layer.
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