Refrigerant 134A Used for household appliances, automotive air conditioning and more... Refrigerant R-22 Dominant refrigerant in residential and commercial air conditioning. Refrigerant 404A Use in supermarkets and refrigeration equipment. Refrigerant 407C Closest property to match R-22 in a/c retrofit projects and more... Refrigerant 410A Higher cooling capacity and significantly higher pressure than R22. See Our Brochure Click Here