Ah. the misinformation flies around here. A lot of this discussion is correct, but there are a few misconceptions here.
First, it is partly correct that you need a "license" to buy R-12. What you need is an EPA certificate. This amounts to attending a class and taking a test. Passing grade on the test gets you an EPA certificate. This certificate is required to legally buy R-12.
Second, price. Depends on where you get it. It is still somewhat available to buy until supplies are exhausted. New production in this country stopped a long time ago. Price includes heavy taxes imposed by the EPA to discourage use of R-12. Price depends on things like age of inventory, locality, etc. Private sales are largely unregulated.
Third, use of R-12 is NOT restricted to systems that "need to be kept original" so to speak. Any system designed for R-12 CAN use it legally. Most times, availability and price determine whether to convert to R-134a.
Lastly, my opinion. A semester spent in General Science class will account for the dreaded "hole in the ozone" that is being blamed on R-12. Science indicates otherwise. Also, a ten minute look at the periodic table of elements and some basic chemistry seems to counter the idea that heavier than air compounds like R-12 are damaging the atmosphere 8 miles high. Everything I learned tells me that the heavier compounds sink - not rise to the top. And, the REAL reason for the phasing out of R-12 in my opinion is the expiration of DuPont's patents. Follow the money.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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