R22

Freon refrigerant R22 Freon R22 is a chlorine based refrigerant and damages the ozone layer. This is why E.P.A. has ordered the phase out of R22. Can I just change the condenser refrigerant to R-410a? NO, 410a operates at 60% higher operating pressures than R22. New equipment is rated for the higher pressures.  Whats the30