R-245fa is a hydrofluorocarbon (HFC). It is used for new installations as a specialist refrigerant in industrial air conditioning, air conditioning in buildings, Organic Rankine Cycle (ORC) heat recovery systems and for energy recovery systems at high ambients.
It can also be used in high power installations equipped with centrifugal compressors (one or more stages) and can replace HCFC R-123.