No
After 1992- r134A Before 1992- R22 but it need to be retrofitted for R134 if it hasn't been done already. It is ILLEGAL to use R22 in autos.
sorry, no.
No.
No
No R134a is used only the cars, and R22 is only used for home central ac system. If you would like more information about R134a you can log on to www.idqusa.com.
R134a is a refrigerant gas
No
It uses R134a refrigerant and green antifreeze.It uses R134a refrigerant and green antifreeze.
R22
Most home systems use r22 which requires a license to purchase. The only refrigerant available to the consumer is automotive r134a.
R22