The refrigerant known as R-22 is being phased out because it eats Earth’s protective ozone layer.
R-22 air conditioners were made until 2010, and millions still operate.
But owners who need to replace leaked refrigerant this year are in for a nasty surprise: R-22 prices have tripled since January. Homeowners who would have paid $100 to recharge an R-22 system last year can now expect to pay $300 to $350, says an industry group, the Air Conditioning Contractors of America.
Read more here: http://www.charlotteobserver.com/2012/03/16/3104020/refrigerant-shortage-driving-ac.html#storylink=cpy
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