With the world craze to "go green" we are finding a new system being implemented in the way we use air conditioning. The existing system which many habitancy refer to as Freon is undoubtedly what is termed R-22. The R-22 refrigerant is being substituted by the R410a refrigerant which is a much more environment friendly and energy conserving system. This overhaul is slated for 2010 and will replace the R-22 with the R410a thoroughly because they work on two opposite pressure systems.
The copper lines that the R-22 use will need to be changed out because it uses mineral oils that break down into damaging carbons that are speculated to be causing the global warming urgency the governments of the world seem to be so worried about. R-410a will use synthetic oil that will be able to maintain at much higher temperatures than that of the old.
The old piping will have mineral oil deposits throughout the piping and this is what the new system is aimed at enhancing and replacing. If the piping is not substituted it will wreak havoc with the new system because it will not be able to take the pressure of the R410a and will develop deposits on the compressor walls and damage the metering device.
The implementation of this new system will need a fresh start because if you were to incorporate the two it will cause the very same problems that the R-22 is said to be causing. The old system could have moisture retained inside the piping and this does not go well with the functions of the new R-410a.
If you are told by an installer or sales someone of the new refrigerant that you can use your existing piping because they are going to blast it out or flush them out make sure you tell them you know more than they do and you want to have the piping thoroughly substituted when they setup the new heating and air system.
Whether you believe in global warming or not is irrelevant because we are going to see a convert in all the carbon systems that are currently operating across the planet. This being the case you might as well do your homework and get a firm comprehension of what these changes are going to be so you know what you need to do to and how to abide by the inception of new equipment.
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