For one r 22 is its own refrigerant whereas the replacement refrigerants are made up of several different kinds of refrigerants designed to mimic operating pressures temperatures of r 22.
What is a substitute for r22 refrigerant.
Amongst other aims r422a isceon mo79 chemours was developed in order to obtain a chlorine free refrigerant odp 0 for the simple conversion of existing medium and low temperature refrigeration systems using r22 and r502.
The r22 substitute is offered for the conversion of existing r22 systems for which a zero odp solution is requested.
Since refrigerant r22 has ozone depletion potential it is use is being stopped in the phase manner.
R422a as substitute for r22 and r502.
R422b refrigerant 25lb cylinder r22 replacement nu 22b replaces r 22 r 407c r 422d and r 417a.
R 134a r 507 r 404a r 407c and r 410a.
R22 refrigerant has been used for years in central air conditioners heat pumps mini splits car ac systems and other refrigeration equipment.
Let s see what is the replacement for r22 and what alternatives do we have when we stop using freon 22.
Now as of january 1 2020 there s a ban on the remaining production and import of r22 and r142b with the servicing of r22 systems limited to recycled and stockpiled quantities of freon.
It is an hfc mixture with base components r32 r125 r143a r134a.
Apart from describing r22 alternative refrigerants the article also describes epa instructions for r22 replacement.
In spite of the blend composition based on pure hfc refrigerants the manufacturer states that a simplified conversion procedure is possible.
Nu 22b is the only r 22 replacement you need.
R22 phase out for air conditioning systems what is r22.
3 options for r22 freon replacement.
It is used in ac applications with a capillary and an expansion device.
R 22 replacement alternatives as a matter of fact there are many different alternatives to r 22 that don t deplete the ozone layer including.
If a system has r22 in it already you cannot use a replacement refrigerant to simply add to the r22.
As it is known to cause ozone depletion and global warming hcfc 22 is being substituted.
It s the key to absorbing and removing heat from a space.
R22 known as freon 22 is a refrigerant gas mainly used in air conditioning units and refrigerators.
R 410a is the best alternative option for air conditioning applications while the best alternative for refrigeration applications are r 404a and r 507.
There are several refrigerants that do cause the depletion of the ozone layer and that can be used as.
You can still recharge your hvac system using r22 but it will be expensive.
The latest testings show that rs44 has a higher cop lower pressure a similar performance lower discharge temperatures and a good oil return with all types of oils compared to r22.
