| Duracool vs R-134a question [message #131499] |
Wed, 22 June 2011 16:53  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
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If I have a system (like my own coach) with a good 134 charge, is it worth the effort to dump that (excuse me, recover, salvage and recycle the ozone depleting refrigerant) and recharge the unit with HC-12a? (It is a '73, how much better can it be at its best?)
Does HC-12a really work that much better than either R-12 or R134a??
I am asking for real experience here. As near as I can tell, no hard data exists. (I mean the book of pressures and temperatures and BTU per pound stuff.)
Why??
I just recharged a clients on-board refrigeration with HC-12a. It was working last season, but did not work well when it was put on-line at the start of this season. He is of the opinion that it now works better than it ever did. He could honestly know what he is talking about, but I have been unable to get real thermodynamic data for Duracool or HC-12a by any other name. This boat has a good bank monitor and the owner is conscientious about loads.
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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