|
There is alot of debate over refrigerants.
The issue is activists got concerned about the damage that something had on the environment. I can understand that. So it got banned. In typical political fashion they did so before actually consulting anyone to decide if it was intelligent.
you can pull any old enthalpy tables and check the differences between 134a 22 and 12 and you'll notice the enthalpy drop from flash vaporization is much greater. You can also talk to the same people who wanted 12 banned and they will tell you 134a is just as bad for the environment. This leaves you with two options 1.) move to Ammonia 2.) take the necessary evil of some pollution for the creature comfort air conditioning.
EU is very likely going to ban 134a and there is not an acceptable replacement on the table for the same reason 12 got kicked.
That said 12 works far more effectively than 134a, which is much more effective than ammonia. If you go to ammonia the creation of pollution your AC created to counteract the less effective cycle(running much harder and faster) you end up with the same pollution and alot less comfort.
|