R410A refrigerant was introduced to replace R22, as R22 is ozone-depleting and harmful to the environment. R410A is a more environmentally friendly alternative with zero ozone depletion potential.
Wal-Mart do not have r22 freon, this is a false ad.
r22a
No
12 r22
No
sorry, no.
yes
no.
No
No, R22 is for refrigerators and home AC. It runs at a different pressure and you can't use one for the other.
no. it is not a good idea. new hfc refrigerants require a different type of oil than the R22 units. the new refrigerants typically run at higher pressures than the R22 units.