Is HFO-1234yf compatible with pag oil?

Yes, HFO-1234yf is compatible with PAG (polyalkylene glycol) oil, which is commonly used in automotive air conditioning systems. PAG oils are typically recommended for use with HFO-1234yf refrigerant due to their ability to provide good lubrication and system performance. However, it's important to ensure that the specific PAG oil used is suitable for the system's design and manufacturer's specifications. Always consult the equipment manufacturer's guidelines for the best results.