Dometic Rooftop RV Air Conditioner "r22 used r12 units" Questions

CAN R12 BE ADDED TO AN AC HOME UNIT USING R22.UNIT IS RUNNING BUT NOT COOLING No, R12 and R22 are not compatible freons. You need to recharge with R22.

I have a 1984 Spartan travel trailer with a duo therm rooftop a/c unit. I need to know if that unit uses r12 or r22 or another type of refrigerant? It would use R-22

...R12 and R22 are astronomical. If your window unit uses either of these two refrigerants, you would be well advised to invest your money in a new unit rather than repair what you have. Though this is ...

...R22 charge.. 6 year old Tadiran TNL-S1215H was cooling fine but freezing up lightly, Tech charged unit to 70PSI (ambient +/- 90F that day), but unit is not cooling properly now, indoor unit at coils ...

used unit I have had some still w warrenty before that came from remodel jobs in up scale areas! if helpfull rate me good luck A new unit will be 13+ seer unless you can find someone that has replaced

...R22, R410 or basically any other refrigerant (freon) have a certification from the EPA before doing so. You also cannot purchase those refrigerants without the certification. The only exception being ...