2 pounds of r134a. Not r12.
The cost of R12 varies a great deal. The use of R12 is illegal in some places and requires certification in others. It is estimated that a pound of R12 currently costs approximately $20 US dollars.
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The heat generated inside the bag exceeded the insulation resistance of the bag content.
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how to convert r12 to134r
Why would you want to even consider doing this? R12 is no longer in production and as such it cost almost 4 times as much as R134. But to answer your question, use R12 in a R134 system and you will destroy the compressor as the oil is not compatible with R134 oil.
None, the refrigerant is R134a not Freon which is R12.
Uh, do you mean how much does it cost to insulate a Belgian roof? Or is there some special insulation that comes with Strawberries and Whipped Cream? Furthermore, what kind of insulation?
It is difficult to give an answer in terms of number of inches or total volume / number of bags required. For one thing, it depends on how deep the insulation is, i.e. it takes twice as much to make it 6 inches deep as it does to make it 3 inches deep. The deeper / thicker the insulation, the more it insulates. This is usually expressed as an "R-Value" where a higher value is more insulation. Note also that there are different kinds of blow-in insulation, e.g. fiberglass and cellulose. These have different properties and require different amounts to achieve the same thermal effect. One easy way to figure this out would be to go to the store where you plan to purchase the insulation and look at the bag. The bag will have a chart that shows the square footage or dimensions of the space to be insulated and the number of bags required to achieve various R-Values. If you know the company who manufactures the insulation, you can check their website. It is quite likely they have a similar chart of calculator as well.
If if it a 1995 or older then it came with R12 installed. 1996 can be R12 or R134. 1997 up, it has R134/R134a. If you suspect it had R12 look for a label somewhere on the A/C unit signifying it has been converted. If you find it has R12 and is leaking and needs repairing, after the leak is repaired, convert it to R134a. R12 is far too expensive to use.
It was built with R12, can be coverted to R134aIt was built with R12, can be coverted to R134a