No.
No
Is r-22 Freon compatible with r-134a freon?
Not unless you like the idea of destroying your AC system.
Your AC won't work any better than it did before. Two very different refrigerants, which will not blend, with different superheat points and system pressures. Not to mention that R22 won't carry PAG oil through the system as effectively as 134a, meaning you could end up starving your compressor of lubricating oil, thus burning it out.
R-22 (chlorodifluoromethane) is a hydrochlorofluorocarbon (HCFC) refrigerant commonly used in air conditioning systems, while R-134a (tetrafluoroethane) is a hydrofluorocarbon (HFC) refrigerant. R-22 has been phased out in many countries due to its ozone-depleting potential, whereas R-134a has a lower environmental impact and does not harm the ozone layer. Additionally, R-22 operates at higher pressures and is typically used in older systems, while R-134a is used in newer applications, including automotive air conditioning.
ef22a is a refrigerant. It is used in place of R22. It is a Hydrocabon refrigerant. Very efficient.....
No. the pressure are different, r22 runs at a fairly low pressure and you shouldn't be worried about blowing your gauges, but you won't be able to determine your super-heat or sub-cooling. for a about $100cdn you can buy the right gauges.
No, you should not mix R-134a with an R-22 system. R-22 and R-134a are different refrigerants with distinct properties and are not compatible. Using R-134a in an R-22 system can lead to system inefficiency, potential damage, and could violate environmental regulations. If you need to switch refrigerants, it's best to properly reclaim the existing R-22 and retrofit the system for R-134a or another compatible refrigerant.
r22
R-421A is an R22 alternative refrigerant. It is licensed under the Choice brand name ( Choice R-421A). It is a blend of 58%/42% R-125 and R-134a. It is a non-ozone depleting refrigerant, and the only 2-component refrigerant blend to replace R22. For more information, visit www.rmsgas.com.
No, R22 is for refrigerators and home AC. It runs at a different pressure and you can't use one for the other.