Under no circumstances should you (= you should not) approach the man. The meeting has been cancelled due to circumstances beyond our control. âº [ U ] formal events that change your life, over which you have no control: They were victims of circumstance.
1 As an example 5 years ago R22 sold for $10 per pound. 2  Today R22 can be as much as $50 per pound. 3  Typical residential air conditioning unit hold from 5 to 15 pounds of R22. 4  If a coil has to be replaced or there is a leak the cost of refilling the refrigerant could be $250 to $750. The result was a shortage of R22 and soaring prices. 2  As an example 5 years ago R22 sold for $10 per pound. 3  Today R22 can be as much as $50 per pound. 4  Typical residential air conditioning unit hold from 5 to 15 pounds of R22.
As part of the agreement, production ended in 2010 for new air conditioning units charged with R-22 and production of the refrigerant itself was reduced by 75 percent. By 2015, there will be a 90 percent reduction in the production of R-22.By 2020, it will no longer be produced.: My air conditioning contractor just charged me $100 per pound for R-22 refrigerant. This is a lot more than I paid four years ago.