Not completly recomended though. You guys are going to love this one. My wife is expecting.........man she's always too hot. We had a frost last night and she got up at 2 to open the window and had the fan on, I'm looking of another blanket. As I type the house is 61 and she is still too warm.Doesn't bother me though, as every split I c/s/s is patiently waiting for the inferno is giving up yet even more of that evil moisture to the all so accepting air.
TS

I'm to get around to fixing some air leaks, but I still don't think 61 will be getting it. If I'm moving around, maybe a couple less layers. 

PEX is king with all new installs and retro. I did all mine in coppe though for above stated reasons. 1600' of pex in the slab though. 

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