Never mix R-22 and R-410a. Unless of course you are looking to destroy your HVAC system, then, by all means, go live that dream.
If any R-22 and R-410A is mixed in any way, oil clumping will occur which will lead to restrictions and blocking of refrigerant flow through the coils which will result in poor performance, system damage and eventual failure.''
Mixing R22 with R407C or any other refrigerant. According to the 609 EPA rule, mixing refrigerants is illegal and anybody caught doing so will be heavily fined.
The refrigerants have very different heat-transfer properties and use chemically incompatible lubricating oils, so they aren't interchangeable and can't be mixed. Transitioning one unit to the next could require replacing the compressor, evaporator and condenser, along with potentially replacing their copper lines.
RS-53 (R470A) has a similar thermodynamic performance to R410A with matching energy efficiency and cooling capacity. RS-53 (R470A) is compatible with the materials commonly found in R410A equipment.
To retrofit an R-22 system with R-410A system your line set must not be more than 25-50 feet in total distance. If the line set is longer than this, you will have to replace the line set with larger lines.
Systems that use R-410A also use synthetic oil for lubrication, rather than mineral oil like in R-22 systems. The synthetic oil is more soluble, making the whole system more efficient. Therefore, R-410A works better than R-22 and has more efficient systems.
The answer is an undeniable and indisputable yes. Though you may hear several opinions to the contrary, we know from experience that it will cool equally as well as the old unit. When tuned properly, it will produce at least as cold of air as the R22 counter part being replaced.
R32 has a higher compressor discharge temperature than R410A, and will increase wear on the compressor, reducing its life significantly. Should any problem arise from a system change such as this, any liability would rest ENTIRELY with the person who carried out the change.
If you were to mix refrigerants, it would cause all kinds of damage to your system. Your AC unit would likely overheat. Different refrigerants can be different temperatures. They don't mix, which means you'll have refrigerants with two different temperatures running through your unit.
Freon MO99 is the closest capacity match to R-22, compared with most other no-oil change refrigerants.
Like oil and water different refrigerants do not mix, so you have different temperatures cycling through your system. This can lead your AC system to overheat and a burnt motor, a costly repair.
It is not only uneconomical and impractical to mix different types of refrigerants, but it can also be dangerous. Along with that, it is illegal to mix refrigerants. So, not only does it make sense to use the right kind of refrigerant for your system, but it's also the law.
So… what refrigerant can be mixed with R-22? None. You can't mix refrigerants.
In fact, R410A can cool a room slightly faster with less energy. Efficient performance is a significant benefit of R410A. However, it works the same way as R22 in absorbing heat to provide cooling. But R410A doesn't make a room any colder than its predecessor.
Tube-side materials in R-410A coils need to be thicker due to the higher operating pressures associated with R-410A relative to R-22. We're not arguing that there's not a difference in operating pressure between the two. There is – roughly 130 PSI for R-410A evaporators compared to about 70 for R-22.
As you might imagine, this isn't going to go well for your air conditioner or heat pump. Long story short? Never mix R-22 and R-410a. Unless of course you are looking to destroy your HVAC system, then, by all means, go live that dream.
Explanation: It is important not to mix R-22 and R-410A refrigerants in the same container because they use different oils. Mixing refrigerants that require different oils can lead to equipment malfunction due to incompatibility between the oils and the refrigerants.
The answer is yes and no. You cannot just switch refrigerants because R410-A and R-22 have different chemical properties. R410-A operates at a higher pressure. If you put R410-A into an R-22 system, the parts will rupture due to the increased force.
The pressure can become high enough for parts of the system to rupture. At the very least, leaks will occur.
When you replace an air conditioner or heat pump and upgrade from R-22 to R-410A, the ideal solution is to replace your refrigerant lines. This is because the mineral oil used in R-22 systems is not compatible with the new R-410A refrigerant and oil.
Currently, the price for recharging an air conditioning system with R-410A is around $90 per pound. Comparatively, the cost to recharge an older system that uses R-22 refrigerant is now around $250 per pound.
R-22 uses simple mineral oil, non-toxic, safe, stable, etc. while R-410a uses a somewhat exotic Poly o Ester (POE) oil typically found in jet turbine engines. The refrigerant used MUST match the oil present in the system, which is one reason why you can't replace the R-22 with R410a in a system.
So what the manufacturer recommends, the best option, is if you're going to go from an R22 unit to an R410 unit, that you should have your line set replaced at the same time. So everything is new. There's no contamination, there's no possibility of contamination.
As a solution, there are two alternative refrigerants used as substitute refrigerant for R22, namely R290 and R32. The R290 is widely used as working fluid in A/C system of Europe countries; meanwhile in Japan and South East countries, R32 is utilized as substitute refrigerant for R22 and R410A (Yu et al., 2010).