PEX vs CPVC to Replace Galvanized Pipes in Duplex

[Arthur Cross-Najafi]

Hello BP,

I am currently renovating a duplex (built in 1930) I recently purchased and I have a question about re-plumbing the home. The galvanized piping throughout the house is corroded and needs to be replaced, and I am trying to decide between using CPVC and PEX. Does PEX piping throughout the home increase the appraisal/resale value at all? Is there any functional difference aside from freeze/thaw cycles between the two? When it comes time to sell the property at some point in the future will the PEX piping improve my ability to sell the home or does the plumbing not really matter to (most likely other investors) so long as it works? I have CPVC left over from a previous project so that would be the cheaper route, but since all the plumbing needs to be replaced anyway I figured if PEX piping has an intrinsic advantage over CPVC I might as well "do it right" while I have the chance. Any and all thoughts on the matter would be greatly appreciated. Thanks!