Image: dougww In 2006 the EU handed down a resolution to ban the auto coolant R134a. R134a was the replacement for R12, which was banned around the world during the 1990s. However, one of the problems with R134a is that it is not an efficient coolant. This is part of the European Union’s efforts to integrate [...] Related posts:
Interesting. CO2 would be very nice since its an inert gas and there really isn't a shortage of it. I was thinking propane since I hear of some HVAC guys tinkering with it, but who wants propane leaking everywhere either.
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