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Old 04-27-2020, 12:52 AM   #9
randy500
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Join Date: Jul 2016
Location: Tacoma, WA
Posts: 6,873
Re: Pros cons on complete AC systems

Vintage air is way undersized evaporator fan and ducting.
No fresh air with those systems either which doesn't help cooling but does effect comfort.
If you want cold then use the stock system with R12, it was designed for R12 and R12 is legal and available to install in it. The cost of R12 isnt that much when considering the total cost of the system. Besides R12 is a 100% thta it will cool properly, 134 freq has issues with charge volume and condensers.
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