I am in the final process of deciding which type of replacement window
to purchase. Some postings state that argon gas dissipates from
double-paned windows within 5 to 7 years. Does it dissipate faster in
wood clad aluminum vs vinyl or fiberglass replacement windows.
I live in the midwest with cold winters and would like an energy
efficient window that will last for 20 years. Since I have an Arts and
Crafts style home I would like windows with wood on the inside. I have
been looking at Marvin aluminum clad wood windows and Mavin Infinity
fiberglass with wood veneer inside. The aluminum clad are less
expensive but I read one posting that said the argon dissipates much
faster with this type window. Does anyone know if that is true?
I don't see that Argon gas would give you any special advantage over
other gasses, at least not a significant one. The absence of moisture
is obviously important, and if you could hold a vacuum you would get
even more insulation value than a dead air space.
Well, you need a gas, it has to be transparent to visible light.
It should be non-reactive, it needs to be in molecules that
are big enough not to migrate through your seals, and it
should be lightweight, so as to limit heat-transfer, which
generally means monatomic, which in turn generally means a
noble gas. There aren't all THAT many choices...
It really shouldn't make much difference. The double-pane module
is the same (given the same manufacturer) in all cases. It _may_ be
that the outside of the window will heat up slightly more depending
on frame material, which might accelerate leakage a bit, but the
effect should be small.
"Cheap" (non-thermal break) aluminum _might_ make a moderate
difference in argon leakage, but, using argon on such windows would
be stupid, because the frame is conducting far more heat than any fancy
glazing (argon, low-E, triple-glaze etc) could possibly "save" in the
I really don't think Marvin makes windows that crappy.
Chris Lewis, Una confibula non set est
It\'s not just anyone who gets a Starship Cruiser class named after them.
What does cladding have to do with anything? You
mean aluminum framed as in aluminum frame and
vinyl frame?. The answer to either is that none
have anything to do with argon loss. You have two
sheets of glass between a spacer of probably
aluminum) regardless of the cladding/framing.
Don't know if it is true but when I bought my
windows they said the argon only lasted about 5
years in any window make.
Who was "they"?
"...And if you are concerned that the argon gas will leak out of the
window, all indications are that a properly constructed seal will easily
last 20 years. Check the warranty."
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