LEEDuser Basic Member
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Representative
Vermont House of Representatives
LEEDuser Expert
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My understanding is that R417A is a blend of refrigerants, and that it seems likely to be in the class of refrigerants that can be helpful for earning this credit.It's important to note that EAc4 does not specifically ban or allow any specific refrigerants. Credit compliance depends on a calculation. The list you're referring to seems like it may just be a reference list of common refrigerants that appears in the LEED Reference Guide.