HC-12a, also called ES-12a, OZ-12a, and Hydrocarbon Blend B, is a “drop-in” replacement refrigerant for Freon-12 and to a lesser extent, R-134a. … Unlike R-134a, HC-12a is completely compatible with the hoses and oils used in R-12 systems, making the conversion much easier to accomplish.
12a is a more environmentally safe refrigerant. And compatible with r12 and 134a systems. You are sapposed to evacuate all the 134a and then fill with 12A.
Thereof, Is r134a refrigerant being replaced?
Instead of a phase out, R-134a will be economically starved out of existence. To date, most auto manufacturers are using the hydrofluoroolefin (HFO) refrigerant R-1234yf as the replacement of choice for R134a. … With a GWP of 4 (instead of 1,430 for R-134a) R-1234yf is more environmentally friendly.
Also to know is, Is r134a refrigerant dangerous? Adverse Health effects. The inhalation of high concentrations of R134a vapour may cause temporary central nervous system depression, with narcosis, lethargy and anaesthetic effects. Continued breathing of high concentrations of R134a vapours may produce cardiac irregularities, unconsciousness and death.
Subsequently, question is, Can you mix 134a with 1234yf? No, you cannot put R-134a into a HFO-1234yf system; here’s why…Apr 26, 2016
Also, Can you still buy r134a?
However, as of January 1st, 2018 you WILL need to be certified to purchase HFC refrigerants such as 410A, 134a, and 404A. … The first is that if you provide a signed document with your address, phone, and business stating that you will resell the R-134a product and that you will not use it then you can still purchase.
What happens if you put 134a in a 1234yf system?
If you were to put R1234yf in a system designed for R134a, it looks like you’d end up with about a 10% loss of cooling capacity, but putting R134a into a R1234yf system would be a wash. It appears R1234yf oil is compatible with R134a (but not vice-versa), so shouldn’t be a problem there.
Is 134a refrigerant being phased out?
USA: The US EPA is to ban a host of high GWP refrigerants including R404A, R134a, R407C and R410A in certain new products from as early as January 1, 2021. … R134a is one of a number of common refrigerants that will be banned from use in new centrifugal and positive displacement chillers as of January 1, 2024.
Can I add 12a to 134a?
R-12a is a Red Tek product that’s a mix of hydrocarbons and is supposed to be a drop in replacement for R-134a that is superior and completely compatible with R-12 and R-134a systems.
Can you mix r12 and 134a refrigerant?
You cannot mix R-12 with R-134a, they are not compatible (and neither are the compressor oils used with them).
Is r134a phased out?
On September 26, 2016, the EPA announced that, under the EPA SNAP (Significant New Alternatives Policy) program, specific refrigerants including R134a and R410A can no longer be used in new chillers, effective January 1, 2024. … It is safe to use R410A and R134a right up to the Jan 1, 2024 date.
What happens if you add too much r134a?
The main danger with too much refrigerant inside an air conditioner is that it can damage to the compressor. The excess refrigerant will collect inside the compressor and lead to subcooling, temperatures below normal. The extra refrigerant can also flood the compressor and damage its mechanical components.
What refrigerant will replace r134a?
R-1234yf
How much is r134a refrigerant?
3 pounds of refrigerant * $5.00 per pound = $15.00 for a complete fill up.
What happens if you put too much oil in the AC system?
Warmer-than-normal box temperatures with capacity losses: Because of the reduced heat transfer in both the condenser and evaporator (caused by excess oil coating the inner tubing), capacity will be decreased. The compressor will run longer trying to maintain a desired box temperature.
Which refrigerant is being phased out?
HCFCs
What refrigerant is compatible with r12?
The best replacement for R12 is considered to be R-134a. The chemical name of R134a is tetrafluoroethane and it chemical formula is CF3CH2F.
What happens if you mix r12 with r134a?
The oils are different and not compatible and can cause an explosion. R134a is also a smaller molecule than r12 so if you HAD a small leak with r12 that you did not fix you have an even bigger leak now. R134a is so much smaller than r12 that it will leak right through the older hoses used for r12.
Don’t forget to share this post 
References and Further Readings :
