Posted: May 5, 2012 in Uncategorized

90 degree days! Its hot out already!


In a recent seminar hosted by our friends at Napa and produced by factory representatives, the trainor refreshed an interesting factoid that I had nearly forgotten about. In the sweltering heat (and this year’s humidity) of our Colorado summers we know well when our vehicle’s air conditioner is blowing cold air and know immediately when it is not. However, an air conditioner that still blows cold air, several years following service, is likely to be running on a capacity of freon that is 10-20% under-full. As long as it blows cold, who cares? Well, given the statistic, you should!

An automotive air conditioning system is comprised of a pressurized freon that constantly changes phases from liquid to gas and back again. The thermal  energy phenomenon that takes place near and at the phase-change thresholds is converted into cold comfort for your commuting pleasure. While these phase changes still take place…

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