Our home was remodeled before we moved in; this is our first heating season. Pex tubing in the crawlspace supplies heated water from a Buderus boiler to baseboards and radiators. The Pex is not insulated. Assuming that energy and money can be conserved by insulating the Pex, I’m hoping for feedback from a professional. Should I insulate, what’s a good brand/style of insulation, should both supply and return be insulated? Fred in Lakewood, CO
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Are the walls of the crawspace insulated? Somtimes the lost heat is used to condition the crawspace.
I was going to give my input but then I saw that you were looking for "professional" input and I don't think that 8 practical years of PEX work would qualify me.
Don't let my choice of words put you off. Advice about insulating Pex is appreciated from anyone with practical experience. Fred
Like Mc asked, is the non insulation have a purpose of heating the space.
If not, then Rubitex, & Armaflex are two of the leaders in non fiberglass insulation.
Both are highly mold resistant & flexible.
Totally irrelevant, but around here, all PEX and all fittings, manifolds, etc., get insulation--but not for heat loss, against condensation. Not a problem in Colorado, though, hehehe.